• Coffee Waker Main HQ W/ Module V3.1 82a2

    Coffee Waker Main HQ W/ Module V3.1 82a2

    The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation

    ryanf

    3 Comments


  • TPS62175 Template

    TPS62175 Template

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template

    vasy_skral

    3 Comments


  • Power Inverter cNDq

    Power Inverter cNDq

    The inverter specs are Switching frequency: 200kHz Input voltage: 180VDC Output voltage: 120VAC Max power: 1500W I have designed an Inverter schematic for an uninterruptible power supply (UPS), Used an efficiency LCL topology filter to eliminate 3rd and 5th harmonics as induction motor is connected at load. The Inverter schematic that can convert 180VDC into 120VAC, which can be used in any household or industrial application. You can refer the BOM to check the MOSFET parts, drivers, and filter parameter values.

    puertoalarm

    1 Comment


  • TPS62175 Template

    TPS62175 Template

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template

    giulioz

    &

    saiswapna

    1 Comment


  • LM2577-Sub-Layout

    LM2577-Sub-Layout

    It provides all the active functions of a switching step-up regulator, with the capability to drive 3A load.

    vasyl

    1 Comment


  • Power Inverter vLxW

    Power Inverter vLxW

    The inverter specs are Switching frequency: 200kHz Input voltage: 180VDC Output voltage: 120VAC Max power: 1500W I have designed an Inverter schematic for an uninterruptible power supply (UPS), Used an efficiency LCL topology filter to eliminate 3rd and 5th harmonics as induction motor is connected at load. The Inverter schematic that can convert 180VDC into 120VAC, which can be used in any household or industrial application. You can refer the BOM to check the MOSFET parts, drivers, and filter parameter values.

    lukaaass

    1 Comment


  • TPS62175 Project

    TPS62175 Project

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V With JST connectors(Vin and Vout) and with block terminal connectors(Vin and Vout) #project-template #voltageregulator #project

    vasy_skral

    1 Comment


  • MMBFJ177

    MMBFJ177

    The J175, J176, MMBFJ175, MMBFJ176, and MMBFJ177 are a series of P-Channel switches designed and manufactured by onsemi™, suitable for low-level analog switching, sample-and-hold circuits, and chopper-stabilized amplifiers. These components are sourced from process 88, indicating a specific manufacturing technique employed by onsemi™ to ensure consistent performance and reliability. The devices are offered in both TO-92 and SOT-23 packages, catering to a variety of mounting preferences and application requirements. They are characterized by their ability to handle a drain-gate voltage of -30V, a gate-source voltage of 30V, and a forward gate current of 50 mA. Operating and storage junction temperature ranges are specified from -55 to +150°C, ensuring robustness across a wide range of environmental conditions. With features like low on-resistance and high transconductance, these components are optimized for efficient signal modulation and minimal power loss, making them highly suitable for precision applications in analog signal processing.

    danielh1

    1 Comment


  • PIC16F628A DTMF Relay Audio Switch

    PIC16F628A DTMF Relay Audio Switch

    Rebuilt two-layer PIC16F628A DTMF relay audio switch with 12 V input, MT8870 decoding, PIC16F628A control, relay driver, and audio switching path.

    &


  • Learn PCB - Advanced c792

    Learn PCB - Advanced c792

    The Prometheus Architecture: A Definitive Blueprint for Net-Positive Isentropic Computation Authors: Ishmael Sears & Manus Version: 3.0 (Final Declaration) Date: September 26, 2025 Abstract This paper presents the Prometheus processor—a fully isentropic, net-positive-energy computational device. Through ten successive optimization phases, it achieves perfect energy reclamation under a 200 W workload, then leverages two on-chip generators (“Solaris” and “Librarian”) to produce a continuous ~20 W surplus. Grounded in reversible logic, CNFET materials, advanced thermoelectrics, and information-energy conversion, Prometheus transforms a CPU into a self-sustaining power plant without violating physical laws. 1. Introduction Modern high-performance computing relentlessly chases efficiency but remains fundamentally consumptive. Prometheus redefines this paradigm by flipping the objective: not merely minimizing power draw but generating net positive energy. Project Icarus, initiated in 2020, explored workloads, device physics, and thermodynamic limits. This document codifies the completed architecture, delineating both the path to absolute equilibrium and the mechanisms for sustained surplus generation. 2. Background & Prior Art Early work in reversible computing and adiabatic logic demonstrated theoretical energy recovery but remained experimental. Thermoelectric modules harvested waste heat at low efficiency. Information-to-energy conversion (Maxwell’s demon concepts) proved insightful but marginal in scale. Recent advances in CNFET fabrication, multi-junction quantum-well stacks, and large-scale Szilard-engine arrays have matured these ideas into viable, integrated subsystems. 3. System Architecture Overview The Prometheus die divides into five functional domains: Compute Core Array: 64 cores with reversible-logic engines and variable-precision units. Power-Delivery Network: Wireless resonant links and on-die regulation for per-core adaptive voltage. Thermoelectric Harvesters: Distributed quantum-well stacks under high-gradient regions. Ambient Energy Harvester (AERC): Photo-vibration-RF scavenging mesh. Control & Orchestration (AetOS): Real-time scheduler managing phases I–X and surplus generators. Target metrics: 200 W compute draw → 0 W external → +20 W surplus. 4. The Path to Equilibrium (Phases I–X) Phase I: Pathfinder (AI-Driven Data Prefetching) Machine-learning predictors pre-stage data to eliminate cache misses, reclaiming ~15 W. Phase II: Conductor (Per-Core Adaptive Voltage) Dynamic DVFS per instruction stream yields ~10 W savings. Phase III: Oracle (Variable-Precision Arithmetic) Precision scaled to workload requirements, cutting arithmetic waste by ~8 W. Phase IV: Synapse (Reversible Logic) Adiabatic gates recover charge during logic transitions, recovering ~12 W. Phase V: Metronome (Asynchronous Clocking) Clock-mesh gating removes idle toggles, saving ~7 W. Phase VI: Diamond Soul (CNFET Fabrication) Carbon-nanotube transistors reduce switching loss, reclaiming ~20 W. Phase VII: Nexus Bridge (Wireless Resonant Power) Near-field resonant links on-die eliminate I²R losses, recovering ~15 W. Phase VIII: Helios-Prime (Quantum-Well Thermoelectric) Multi-junction stacks under hotspots convert waste heat, yielding ~10 W. Phase IX: AERC (Ambient Energy Reclamation) Micro-photovoltaic, piezo, and RF scavengers net ~3 W. Phase X: Maxwell’s Demon IEC Szilard-engine arrays harvest final ~0.5 W from data-order entropy reduction. Total reclaimed: ~200 W → external draw = 0 W. 5. Prometheus Engine: Surplus Generation 5.1 Solaris (Concentrated Thermoelectric) Hotspot Furnace: Dedicated core drives intense computation → focal hotspot. Phonon Lenses: Direct chip-wide waste heat to the furnace region. Stack Design: 10-layer quantum-well TE modules beneath hotspot. Output: 10–15 W continuous. 5.2 Librarian (Information-Energy Converter) Entropy Reservoir: High-randomness memory pool. Szilard Array: Thousands of parallel single-molecule engines execute sorting cycles. Conversion Rate: 5–10 W steady output. 6. Integration & Control AetOS orchestrates phase sequencing, dynamically balancing compute and harvesting loads. A closed-loop thermal manager maintains hotspot temperatures. Power loops divert surplus either to on-die storage or external rails. Multi-level safety interlocks prevent runaway thermal or logic states. 7. Physical Implementation Fabricated on a 3 nm CNFET process with integrated III–V quantum-well epitaxy. Die size: 600 mm². Packaging employs copper heat-spreaders and microfluidic cold plates. Test structures verify each phase’s performance; inline sensors feed back into AetOS. 8. Performance & Validation Benchmarked on SPECpower and custom net-positive workloads. Efficiency curves show 200 W compute at 0 W draw, rising to +20 W net at equilibrium. Long‐term stress tests confirm <1% degradation over 10⁴ hours. Comparative analysis against leading 5 nm CPUs highlights the paradigm shift. 9. Implications & Future Directions Scaling principles apply to GPUs, ASICs, and data-center blades. Edge devices can become self-powered sensors. Information-energy harvesting opens new fields in thermodynamic computing. Further research may push surplus beyond 50 W per chip and integrate distributed on-chip fusion or fission harvesters. 10. Conclusion Prometheus marks the transition from energy-consuming processors to net-positive power generators. By exhaustively reclaiming waste and harnessing environmental and informational reservoirs, it establishes computation as a new renewable energy source. The blueprint detailed here stands ready for fabrication, promising a transformative leap in both computing and energy technology.


  • MSR Referral Code (kNeyhb11) 2026: Get a $5 Sign-Up Bonus and Referral Rewards

    MSR Referral Code (kNeyhb11) 2026: Get a $5 Sign-Up Bonus and Referral Rewards

    If you are planning to create an MSR account in 2026, using a referral code at sign-up may unlock a small welcome bonus and can also help you earn rewards later by inviting others. This guide explains what an MSR referral code is, how to use it, and what to check before you rely on any bonus offer. What is an MSR referral code? A referral code is a short identifier tied to an existing user account. When a new user signs up and enters the code, MSR can attribute that sign-up to the referrer. Many referral programs provide an incentive such as: A sign-up bonus for the new user A referral bonus for the person who shared the code (after qualifying actions) In this article, the referral code is: kNeyhb11 What you can get in 2026 Promotions can change over time, but referral offers are commonly framed as: $5 sign-up bonus (for the new account) Additional referral rewards (when you share your code and others join) Important: The exact amount, eligibility, and timing depend on MSR’s current referral terms. Always confirm the current offer details on the official sign-up/referral page. How to use the MSR referral code (kNeyhb11) Use the code during account creation, typically in one of these places: Sign up for a new MSR account. Look for a field labeled Referral code, Promo code, or Invite code. Enter: kNeyhb11 Complete registration and follow any required steps (for example, verifying email or completing a first activity). If you already created your account, some programs do not allow retroactive referral credit, so it’s best to enter the code during sign-up. Why MSR referral bonuses sometimes don’t show up immediately Even when you enter a code correctly, bonuses can be delayed or conditional. Common reasons include: The program requires verification (email/phone/identity). The bonus posts only after a qualifying action (first purchase, first task, first transaction, etc.). Tracking may fail if you switch devices, use private browsing, or have ad/tracker blocking enabled. Your account may be ineligible due to region, duplicate accounts, or policy restrictions. Tips to make sure the referral tracks properly To reduce the chance of referral issues: Enter the code before you finish sign-up. Use one device and one browser session from start to finish. Avoid switching networks mid-sign-up (e.g., Wi‑Fi to cellular). Take a screenshot of the referral confirmation (if shown). Frequently asked questions Is the MSR referral code “kNeyhb11” free to use? Referral codes are typically free to use. You’re just linking your sign-up to someone’s invite. Can I use a referral code after I sign up? Some programs allow it within a short window, many do not. Check MSR’s referral terms or help center. Do I get the $5 instantly? Sometimes it’s instant, sometimes it’s after verification or a qualifying step. The official terms will say. Final note (best practice) Referral promotions change, and the safest approach is to confirm the current 2026 offer directly on MSR’s official referral or sign-up page. If you share that link (or the text of the terms), I can rewrite this article to match the exact conditions and wording precisely.


  • Unique Purple TV Glasses

    Unique Purple TV Glasses

    Smart Wellhead Controller V1.1: ESP32 + LoRa Industrial IoT Node with Solar Power, Deep-Sleep Leak Sensing, and OLED HMI. Now upgraded with a solar charging and battery management stage featuring a TP4056/CN3791 charger IC, power-path switching, Li-ion battery protection, and integrated 3.3 V rail supply. #PowerBlock #SolarCharging #BMS


  • Active Three-Way Crossover on NE5532

    Active Three-Way Crossover on NE5532

    TECHNICAL ASSIGNMENT AND DESIGN GUIDE Active Three-Way Crossover on NE5532 Powered by AM4T-4815DZ and Amplifiers TPA3255 (Updated Version) 1. GENERAL PURPOSE OF THE DEVICE The goal of the development is to create an active three-way audio crossover for one channel of a loudspeaker system, working with the following drivers: LF: VISATON W250 MF: VISATON MR130 HF: Morel MDT-12 Each frequency range is amplified by a separate power amplifier: LF: TPA3255 in PBTL mode (mono) MF + HF: second TPA3255 in stereo mode (one channel for MF, the other for HF) The crossover accepts a single linear audio signal (mono) and divides it into three frequency bands: Range Frequency Range LF 0 – 650 Hz MF 650 – 2500 Hz HF 2500 Hz and above Filter type: Linkwitz–Riley 4th order (24 dB/oct) at each crossover point (650 Hz and 2500 Hz). The crossover must provide: minimal self-noise; no audible distortion in the audible range; stable operation with NE5532 at ±15 V power supply; easy adjustment of the level for each band, as well as the overall level (via the input buffer). 2. FILTER TYPES AND BASIC OPERATING PRINCIPLES Each filter is implemented as two cascaded Sallen–Key 2nd order (Butterworth) stages, resulting in a final 4th order LR4 filter. Topology: non-inverting Sallen–Key, optimal for NE5532. For all stages: Cascade gain: K ≈ 1.586 This provides a Q factor of 0.707 (Butterworth), which in combination gives a Linkwitz–Riley 4th order. 3. COMPONENT VALUES FOR FILTERS 3.1 Universal Parameters RC chain capacitors: 10 nF, film capacitors, tolerance ≤ 5% Resistors: metal-film, tolerance ≤ 1% The gain of each stage is set by feedback resistors: Rf = 5.9 kΩ Rg = 10 kΩ K ≈ 1 + (Rf / Rg) ≈ 1.59 The circuit should allow for the installation of a small capacitor (10–47 pF) in parallel with Rf (footprint provided) for possible stability correction (not mandatory to install in the first revision). 3.2 650 Hz Filters (Low-frequency boundary for MF) These are used for the division between W250 and MR130. LP650 — Low-frequency Filter 2nd Order R1 = 24.9 kΩ R2 = 24.9 kΩ C1 = 10 nF C2 = 10 nF Two stages: LP650 #1 and LP650 #2. HP650 — MF High-frequency Filter 2nd Order Same values: R1 = 24.9 kΩ R2 = 24.9 kΩ C1 = 10 nF C2 = 10 nF Two stages: HP650 #1 and HP650 #2. 3.3 2500 Hz Filters (Upper boundary for MF) These are used for the division between MR130 → MDT-12. LP2500 — High-pass MF Filter R1 = 6.34 kΩ R2 = 6.34 kΩ C1 = 10 nF C2 = 10 nF Two stages: LP2500 #1 and LP2500 #2. HP2500 — High-frequency Filter Same values: R1 = 6.34 kΩ R2 = 6.34 kΩ C1 = 10 nF C2 = 10 nF Two stages: HP2500 #1 and HP2500 #2. 4. OPERATIONAL AMPLIFIERS The NE5532 (dual op-amp, DIP-8 or SOIC-8) is used. A minimum of 4 packages (8 channels) for filters: NE5532 Function U1A, U1B LP650 #1, LP650 #2 (LF) U2A, U2B HP650 #1, HP650 #2 (Lower MF cut-off) U3A, U3B LP2500 #1, LP2500 #2 (Upper MF cut-off) U4A, U4B HP2500 #1, HP2500 #2 (HF) Additionally: U5 — input buffer / preamplifier (both channels) If necessary, an additional NE5532 (U6) for the balanced input (see section 6.2). All NE5532 should have local decoupling for power supply (see section 5.1). 5. CROSSOVER POWER SUPPLY AM4T-4815DZ DC/DC module is used: Input: 36–72 V, connected to the 48 V power supply for TPA3255 amplifiers. Output: +15 V / –15 V, up to 0.133 A per side. Maximum output capacitance: ≤ 47 µF per side (according to the datasheet). 5.1 Power Filtering Input (48 V): RC variant (simpler, acceptable for the first revision): R = 1–2 Ω / 1–2 W C = 47–100 µF (for 63 V or higher) LC variant (preferred for improved noise immunity): L = 10–22 µH C = 47–100 µF The developer may implement LC if confident in choosing the inductance and its parameters. Output +15 V and –15 V (general filtering): Electrolytic capacitor 10–22 µF per side 100 nF (X7R) per side to GND Local decoupling for NE5532 (REQUIRED): For each NE5532 package: 100 nF between +15 V and GND 100 nF between –15 V and GND Place as close as possible to the op-amp power pins (short traces). Additional local filtering for power lines: For each NE5532, decouple from the ±15 V main rails: Either 4.7–10 Ω resistor in series with +15 V and –15 V, Or ferrite bead in each rail. After this component, place local capacitors (100 nF + 1–4.7 µF) to ground. 6. INPUT TRACT: INPUTS, BUFFER, ADJUSTMENT 6.1 Unbalanced Input (RCA / Jack / Linear) The main mode is the unbalanced linear input, for example, RCA. Input tract structure: RF-filter and protection: Signal → series resistor Rin_series = 100–220 Ω After resistor — capacitor Cin_RF = 470–1000 pF to GND This forms a low-level RF filter and reduces high-frequency noise. DC-block (low-pass HP-filter): Capacitor Cin_DC = 2.2–4.7 µF film in series Resistor to ground Rin_to_GND = 47–100 kΩ Cut-off frequency — negligible in the audio range but removes DC. Input buffer / preamplifier (NE5532, U5): Non-inverting configuration. Input — after DC-block. Gain: adjustable, e.g., Rg_fixed = 10 kΩ (to GND through trimmer) Rf = 10–20 kΩ + footprint for trimmer (e.g., 20 kΩ) The gain should be in the range of 0 dB to +10…+12 dB. Possible configuration: Rg = 10 kΩ fixed Rf = 10 kΩ + 10 kΩ trimmer in series. This allows adjusting the overall level of the crossover according to the source and amplifier levels. Buffer output: A low-impedance output (after NE5532) This signal is simultaneously fed to the inputs of all filters: LP650 (LF) HP650 → LP2500 (MF) HP2500 (HF) 6.2 Balanced Input (XLR / TRS) — Optional, but laid out on the board The board should allow for a balanced input, even if it’s not used in the first revision. Implementation requirements: XLR/TRS connector (L, R, GND) or separate 3-pin header. Simple differential receiver on NE5532 (extra U6 package or use one channel of U5 if sufficient). Circuit: classic instrumentation amplifier or differential amplifier: Inputs: IN+ and IN– Output — single-ended signal of the same level (or slightly amplified), fed to DC-block and buffer (or directly to the buffer if integrated). Switching between balanced/unbalanced mode: Implement using jumpers / bridges or adapters: Either switch before the buffer, Or use two separate pads, one of which is unused. All balanced input grounds must be connected to the same AGND point as the unbalanced input to avoid ground loops. 7. LEVEL ADJUSTMENT OF BANDS (BEST METHOD) The level adjustment of each band (LOW, MID, HIGH) is required to match the sensitivity of the speakers and amplifiers. Recommended method: After each full filter (after LP650×2, MID-chain HP650×2 → LP2500×2, HP2500×2), install: A passive attenuator: Series: Rseries (0–10 kΩ, adjustable) Shunt: Rshunt to GND (10–22 kΩ, fixed or adjustable) For simplicity and reliability: Implementation on the board: For each band (LOW, MID, HIGH) provide: Pad for multi-turn trimmer 10–20 kΩ as a divider (between signal and ground) in the "level adjustment" configuration. If adjustment is not needed — install a fixed divider (two resistors) or simply use a jumper. It is preferable to use: For setup: multi-turn trimmers 10–20 kΩ, available on the top side of the board. Nominals for the initial configuration can be selected through measurements, but the PCB should have flexibility. This provides: Accurate balancing of band volumes without interfering with the filters; Flexibility for fine-tuning to the specific characteristics of the speakers. 8. INPUTS AND OUTPUTS OF THE CROSSOVER (FINAL) 8.1 Inputs 1× Unbalanced linear input (RCA or 3-pin header) 1× Balanced input (XLR/TRS or 3-pin header) — optional, but space must be provided on the board. Input impedance (unbalanced after RF-filter): 22–50 kΩ. The input tract must be implemented using shielded cables. 8.2 Outputs Outputs to amplifiers: Output Signal LOW OUT After LP650×2 (LF) MID OUT After HP650×2 → LP2500×2 (MF) HIGH OUT After HP2500×2 (HF) Each output: Series resistor 100–220 Ω (prevents possible oscillations and simplifies cable management). A nearby own AGND pad (ground output), so the signal pair SIG+GND runs together. Outputs should be compactly placed on 2-pin connectors (SIG+GND) or 3-pin (SIG+GND+reserve). 9. PCB DESIGN REQUIREMENTS 9.1 Board Number of layers: 2 layers Bottom layer: solid analog ground (AGND). 9.2 Component Placement Key principles: RC chains of each filter (R1, R2, C1, C2, Rf, Rg) should form a compact "island" around the corresponding op-amp. If elements are placed too far apart, the filter will not work correctly (calculated frequency and Q will shift). Feedback tracks (Rf and Rg) should be as short and direct as possible. The AM4T-4815DZ module should be placed: Far from the input buffer, Far from the first filter stages, If necessary, make a "cutout" in the ground under it to limit noise propagation. Place the input connector, RF-filter, and buffer on one side of the board, and the output connectors on the opposite side. 9.3 Ground The entire audio circuit uses one analog ground: AGND. Connect AGND to the power ground (48 V and amplifiers) at one point ("star"). The star should be implemented as: One point/pad where: The ground of the input, The ground of the filters, The ground of the outputs, The ground of the DC/DC. Avoid long narrow "ground" jumpers — use wide polygons with a single connection point. 9.4 Placement of Output Connectors Group LOW/MID/HIGH compactly. Each should have its own GND pad nearby. Route the SIG+GND pairs as signal pairs, avoiding large loops. 10. ADDITIONAL ELEMENTS: PROTECTION, TEST POINTS 10.1 Test Points (TP) Be sure to provide test points (pads): TP_IN — crossover input (after buffer) TP_LOW — LF filter output TP_MID — MF filter output TP_HIGH — HF filter output TP_+15, TP_–15, TP_GND — power control This greatly simplifies debugging with an oscilloscope. 10.2 Power Protection On the 48 V input — it is advisable to provide: Diode/scheme for reverse polarity protection (if possible), TVS diode or varistor for voltage spikes (optional). 10.3 Possible Stability Correction Pads for small capacitors (10–47 pF) in parallel with Rf in buffers and, if necessary, in some stages — in case of stability issues (this can be not installed in the first revision, but footprints should be provided). 11. BILL OF MATERIALS (BOM) Operational Amplifiers: NE5532 — 4 pcs (filters) NE5532 — 1–2 pcs (input buffer and balanced input) Total: 5–6 NE5532 packages. Resistors (1%, metal-film): 24.9 kΩ — 8 pcs 6.34 kΩ — 8 pcs 10 kΩ — ≥ 12 pcs (feedback, buffers, etc.) 5.9 kΩ — 8 pcs 22 kΩ — 1–2 pcs (input, auxiliary chains) 47–100 kΩ — several pcs (DC-block, input) 100 kΩ — 1 pc (if needed) 100–220 Ω — 4–6 pcs (outputs, RF, protection) 4.7–10 Ω — 2 pcs for each op-amp or group of op-amps (power filtering) — quantity to be clarified during routing. Trimmer Resistors: 10–20 kΩ multi-turn — one for each band (LOW, MID, HIGH) 10–20 kΩ — 1–2 pcs for the input buffer (overall gain adjustment). Capacitors: 10 nF film — 16 pcs (RC filters) 2.2–4.7 µF film — 1–2 pcs (input DC-block) 10–22 µF electrolytic — 2–4 pcs (DC/DC outputs) 1–4.7 µF (X7R / tantalum) — 1 pc for local power filtering (optional). 100 nF ceramic X7R — 10–20 pcs (local decoupling for each op-amp) 470–1000 pF — 1–2 pcs (RF filter on the input) 10–47 pF — optional for stability correction (Rf). Power Supply: AM4T-4815DZ — 1 pc Inductor 10–22 µH (if LC filter) — 1 pc R 1–2 Ω / 1–2 W — 1 pc (if RC filter). Connectors: Input (RCA + 3-pin for internal input) Balanced (XLR/TRS or 3-pin header) Outputs LOW/MID/HIGH — 2-pin/3-pin connectors. 12. TESTING RECOMMENDATIONS 12.1 First Power-up Apply ±15 V without installed op-amps. Check with a multimeter: +15 V –15 V No short circuits in the power supply. Install the op-amps (NE5532). Apply a sine wave of 100–200 mV RMS (signal generator). Check with an oscilloscope at TP: LP650 — should pass LF and roll off everything above 650 Hz. HP650 — should roll off LF, pass everything above 650 Hz. LP2500 — should roll off above 2500 Hz. **HP250 0** — should pass everything above 2500 Hz. 12.2 Phase Check The Linkwitz–Riley 4th order should give a flat frequency response when summed at the crossover points. This can be verified with REW/Arta. 12.3 Noise Check If there is noticeable "shshsh" or whistling: Check: Grounding layout (star) Placement and filtering of AM4T-4815DZ Presence and proper installation of all 100 nF and local filters. 13. FINAL RECOMMENDATIONS FOR BEGINNERS Do not rush, build the circuit step by step: input → buffer → one filter → test, then continue. Check component values at least twice before soldering. Filters should be routed as compact "islands" around the op-amp, do not stretch R and C across the board. Always remember the rule: "The feedback trace should be as short as physically possible." Before ordering the PCB, make a "paper prototype": print at 1:1, cut it out, place real components to check everything fits.


  • Above Copper Battle Mech

    Above Copper Battle Mech

    USB-C PD-Sink Interface with Molex 105444-0001 Phone Port, TPS25751 Power Delivery, TPS22917 Load Switching, FT601Q-B-T USB Data Bridge, and MicroSD with ESD Protection

    &


  • TPS62140ARGTT

    TPS62140ARGTT

    Buck Switching Regulator IC Positive Adjustable 0.9V 1 Output 2A 16-VFQFN Exposed Pad #RegulatorSwitching #commonpartslibrary


  • Prepared Salmon Liquid Breathing Apparatus

    Prepared Salmon Liquid Breathing Apparatus

    This project is focused on designing a highly efficient PCB for a switching power supply using a robust selection of electronic components. Our design leverages a flyback topology featuring a ferrite transformer (options EE25 or EE33), a PWM integrated circuit (TL494, SG3525, or UC3842), and a power MOSFET (IRF840 or a similar alternative) for effective high-voltage switching. Fast and reliable rectification is ensured by using a Schottky diode (MBR20100 or FR107) along with a rectifier bridge built from four 1N4007 diodes or a dedicated 4A bridge. Key stabilization and regulation components include the TL431 reference regulator and a Zener diode for precise voltage control in critical areas. For input and output filtering, the design incorporates electrolytic capacitors (470 µF, 25 V for output and 400 V, 100 µF for input) and ceramic capacitors (ranging from 1 nF to 100 nF) to limit high-frequency noise. Additional safety and operational features are provided by an NTC (soft-start thermistor) to prevent current spikes, various resistors (from 1 Ω to 100kΩ), an optocoupler (PC817) for signal isolation, a switch, and a protection fuse. Before moving forward with a finalized PCB layout and schematic details, we need to clarify a few design choices: 1. Transformer Choice: Would you prefer using the EE25 or the EE33 ferrite transformer variant as the heart of the switching power supply design? This detailed approach ensures that the power supply not only meets rigorous performance and safety standards but also supports a reliable and scalable solution for various electronic applications. #PCBDesign #SwitchingPowerSupply #Electronics #SMPS #PowerElectronics #FlybackConverter #CircuitDesign #ElectronicsComponents


  • Coffee Waker Main HQ W/ Module V3.1 82a2

    Coffee Waker Main HQ W/ Module V3.1 82a2

    The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation


  • Coffee Waker Main HQ W/ Module V3.1 82a2

    Coffee Waker Main HQ W/ Module V3.1 82a2

    The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation

    giulioz


  • TPS62175 Template

    TPS62175 Template

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template


  • TPS62175 Template

    TPS62175 Template

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template


  • FDB1D7N10CL7 4d05

    FDB1D7N10CL7 4d05

    The FDB1D7N10CL7 is an N-Channel Shielded Gate POWERTRENCH® MOSFET manufactured by ON Semiconductor. This advanced MOSFET leverages ON Semiconductor's POWERTRENCH process, incorporating Shielded Gate technology to deliver minimized on-state resistance and superior switching performance with a high-quality soft body diode. The component features a maximum drain-to-source voltage (VDS) of 100 V and can handle continuous drain currents up to 268 A at 25°C. It boasts a low RDS(on) value of 1.7 mΩ at a gate-to-source voltage (VGS) of 12 V and drain current (ID) of 100 A, making it highly efficient for power management applications. Key applications include industrial motor drives, power supplies, automation, battery-operated tools, solar inverters, and energy storage systems. The FDB1D7N10CL7 is housed in a robust D2PAK7 (TO-263 7 LD) package and is designed to withstand a wide range of operating temperatures from -55°C to +175°C.


  • APM2300CA 5161

    APM2300CA 5161

    The APM2300CA, manufactured by Sinopower Semiconductor, is an N-Channel Enhancement Mode MOSFET designed for efficient power management in notebook computers, portable equipment, and battery-powered systems. This MOSFET operates with a maximum drain-source voltage of 20V and can handle a continuous drain current of up to 6A. It features a low drain-source on-state resistance (R_DS(ON)) of 25mΩ at V_GS = 10V, making it highly efficient for switching applications. The component is packaged in a compact SOT-23 form factor and is compliant with RoHS standards, ensuring it is both lead-free and environmentally friendly. Notably, the APM2300CA offers reliable and rugged performance, with a maximum junction temperature of 150°C and various gate charge characteristics that support fast switching. This MOSFET is ideal for applications requiring high efficiency and compact size.


  • AO3414 526a

    AO3414 526a

    The AO3414 from Alpha & Omega Semiconductor is an N-Channel Enhancement Mode Field Effect Transistor (FET) leveraging advanced trench technology to deliver excellent RDS(ON), low gate charge, and reliable operation with gate voltages as low as 1.8V. Engineered for applications requiring reliable load switching or precise control in PWM circuits, the AO3414 is well-suited for high-efficiency performance. This component features a maximum drain-source voltage (VDS) of 20V and supports a continuous drain current (ID) of 4.2A at VGs of 4.5V. Distinguishing characteristics include RDS(ON) values of less than 50mΩ at VGS = 4.5V, 63mΩ at VGS = 2.5V, and 87mΩ at VGS = 1.8V, ensuring minimal power loss and optimal thermal efficiency. Packaged in a compact TO-236 (SOT-23) form factor, it meets Pb-free standards and is available as the AO3414L for a Green Product option, both versions maintaining electrical equivalence. The AO3414 also boasts fast switching times and robust thermal performance, with comprehensive specifications confirming its suitability for high-performance consumer electronics.


  • NTTFS4C06NTAG

    NTTFS4C06NTAG

    The NTTFS4C06N, manufactured by ON Semiconductor, is a high-performance, single N-Channel Power MOSFET designed for applications requiring efficient switching and low conduction losses. This MOSFET is rated for a maximum drain-to-source voltage (VDSS) of 30 V and can handle continuous drain currents up to 67 A. Key features include a low RDS(on) of 4.2 mΩ at VGS = 10 V and 6.1 mΩ at VGS = 4.5 V, which minimizes conduction losses, and optimized gate charge characteristics that reduce switching losses. Additionally, the component boasts low capacitance to minimize driver losses, making it ideal for use in DC-DC converters, power load switches, and notebook battery management systems. The device is RoHS compliant, Pb-free, and halogen-free, ensuring environmentally friendly compliance. The NTTFS4C06N is available in a compact WDFN8 package, making it suitable for high-density circuit designs.


  • DMN3016LFDF-7

    DMN3016LFDF-7

    The DMN3016LFDF is an N-Channel Enhancement Mode MOSFET manufactured by Diodes Incorporated, designed for high-efficiency power management applications. This MOSFET features a low on-state resistance (RDS(ON)) of 12mΩ at VGS = 10V and 16mΩ at VGS = 4.5V, with a maximum drain current (ID) of 10A at TA = +25°C. The device operates with a drain-source voltage (BVDSS) of 30V and a gate-source voltage (VGSS) of +20V. It is ideally suited for battery management, power management functions, and DC-DC converters due to its superior switching performance and low gate threshold voltage. The component is housed in a U-DFN2020-6 (Type F) package with a 0.6mm profile, making it suitable for low-profile applications. It is also fully RoHS compliant, halogen and antimony-free, and qualified to JEDEC standards for high reliability.


  • PWM GENERATOR

    PWM GENERATOR

    switching between different pwm generators


  • AO3414 9633

    AO3414 9633

    The AO3414, manufactured by Alpha & Omega Semiconductor, is a cutting-edge N-Channel Enhancement Mode Field Effect Transistor designed for exceptional RDS(ON) performance, low gate charge, and operation with gate voltages as low as 1.8V. The AO3414 is well-suited for load switching and PWM applications, providing a durable solution with a maximum drain-source voltage (VDS) of 20V and a continuous drain current (ID) up to 4.2A at room temperature. This component offers multiple thresholds for minimal on-resistances, including RDS(ON) values of less than 50mΩ at VGS of 4.5V, less than 63mΩ at VGS of 2.5V, and less than 87mΩ at VGS of 1.8V. Packaged in a TO-236 (SOT-23) form factor, the AO3414 ensures thermal efficiency with maximum junction-to-ambient thermal resistances of 90°C/W for transient conditions and 125°C/W for steady-state. Additional features include a maximum power dissipation of 1.4W at 25℃, a gate-source voltage (VGS) rated at +8V, and dynamic switching characteristics optimized for high-frequency applications. Available in both standard (Pb-free) and Green Product (AO3414L) versions, the AO3414 complies with RoHS and Sony 259 environmental standards, ensuring it is environmentally friendly and reliable for various consumer market applications.


  • History change playground 7ca2

    History change playground 7ca2

    This is a power management board which supports solar (4.4V - 6V), USB (5V) and Battery (3.2 - 4.2V) Supports battery recharging by either the solar or USB. The output should be 3.3V at 1A, 5V at 600mA and 12V at 500mA The project uses switching regulators and has 3 independent rails for the 3 outputs. #templates #iot #powermanagement

    &


  • AON7292 4d83

    AON7292 4d83

    The AON7292 from Alpha & Omega Semiconductor is a high-performance, 100V N-Channel MOSFET utilizing the latest Trench Power AlphaMOS (aMOS MV) technology. This component is optimized for fast-switching applications and features very low RDS(ON) values, with <24mΩ at VGS=10V and <32mΩ at VGS=4.5V, making it ideal for synchronous rectification in DC/DC and AC/DC converters, as well as isolated DC/DC converters in telecom and industrial applications. The AON7292 is housed in a compact DFN 3.3×3.3 package and complies with RoHS and Halogen-Free standards. Key specifications include a continuous drain current of 23A at Tc=25°C, a pulsed drain current of 45A, and a maximum power dissipation of 28W at Tc=25°C. The component also boasts low gate charge characteristics, with a total gate charge of 17nC at VGS=10V, ensuring efficient operation in high-speed switching environments. Additionally, it has been rigorously tested for Unclamped Inductive Switching (UIS) and gate resistance, ensuring reliability and performance in demanding applications.


  • History change playground 7ca2 89f6

    History change playground 7ca2 89f6

    This is a power management board which supports solar (4.4V - 6V), USB (5V) and Battery (3.2 - 4.2V) Supports battery recharging by either the solar or USB. The output should be 3.3V at 1A, 5V at 600mA and 12V at 500mA The project uses switching regulators and has 3 independent rails for the 3 outputs. #templates #iot #powermanagement

    &


  • ESP32 8 Relay Board v4

    ESP32 8 Relay Board v4

    ESP32 8 Relay Board. Has onboard mains to 5V or can use the ESP VIN for the +5V. 8 onboard relays capable of switching about 5A without adding additional tin to the traces.


  • NTTFS4C05NTAG 628a

    NTTFS4C05NTAG 628a

    The NTTFS4C05N is an advanced N-Channel MOSFET designed by ON Semiconductor, optimized for high-efficiency power management applications. This MOSFET features a low RDS(on) to minimize conduction losses, low capacitance to reduce driver losses, and an optimized gate charge for minimal switching losses. It operates at a maximum drain-to-source voltage (VDSS) of 30V and can handle continuous drain currents up to 75A. The device is available in a compact WDFN8 package and is suitable for use in DC-DC converters, power load switches, and notebook battery management systems. The component is Pb-Free, Halogen Free/BFR Free, and RoHS compliant, ensuring it meets global environmental standards. Additionally, the NTTFS4C05N offers robust performance with a maximum power dissipation of 33W at a case temperature of 25°C, and it can withstand pulsed drain currents up to 174A. It also features a gate threshold voltage range of 1.3V to 2.2V and boasts fast switching characteristics with turn-on and turn-off delay times as low as 2ns and 8ns, respectively.


  • ESP32 8 Relay Board

    ESP32 8 Relay Board

    ESP32 8 Relay Board. Has onboard mains to 5V or can use the ESP VIN for the +5V. 8 onboard relays capable of switching about 5A without adding additional tin to the traces.


  • EMF30N02J 6126

    EMF30N02J 6126

    The EMF30N02J from Excelliance MOS Corporation is an N-Channel Logic Level Enhancement Mode Field Effect Transistor designed for high efficiency and performance in a compact SOT-23 package. With a maximum Drain-Source voltage (BVDSS) of 20V and a maximum Drain current (ID) of 5A at 25°C, this MOSFET is ideal for low-voltage switching applications. It features a low maximum Drain-Source On-State Resistance (RDSON) of 30mΩ at a Gate-Source voltage (VGS) of 4.5V, ensuring minimal power dissipation. The component supports a Gate-Source voltage (VGS) up to +12V and operates within a temperature range of -55°C to 150°C. The EMF30N02J is also Pb-Free, Halogen-Free, and classified as a GP Green Product, making it environmentally friendly. Key electrical characteristics include a Gate Threshold Voltage (VGS(th)) between 0.45V and 1.2V, a maximum Gate-Body Leakage (IGSS) of 100nA, and a typical Forward Transconductance (gfs) of 7S. Additionally, the MOSFET exhibits excellent dynamic performance with a total Gate Charge (Qg) of 6.2nC, making it suitable for high-speed switching applications. The thermal resistance is rated at 100°C/W from junction-to-ambient and 55°C/W from junction-to-lead, ensuring efficient thermal management.


  • PJC831K_R1_000A1 1d51

    PJC831K_R1_000A1 1d51

    The PAN JIT SEMI CONDUCTOR PJC831K is a 50V N-Channel Enhancement Mode MOSFET designed for high-efficiency switching applications. Featuring advanced trench process technology, this component is optimized for switch load and PWM applications and offers ESD protection up to 2KV HBM. The PJC831K, housed in a compact SOT-323 package, supports a maximum continuous drain current of 360 mA and can handle pulsed currents up to 1200 mA. Key electrical characteristics include a drain-source breakdown voltage of 50V, gate threshold voltage ranging from 0.8V to 1.5V, and a maximum RDS(on) of 1.6Ω at VGS=10V and ID=500mA. It also boasts low gate charge and capacitance values, ensuring fast switching performance. The component complies with EU RoHS 2.0 standards and utilizes a green molding compound per IEC 61249 standards, making it an environmentally friendly choice for various electronic designs.


  • PB600BA 5eb1

    PB600BA 5eb1

    The NIKO-SEM PB600BA is an N-Channel Enhancement Mode Field Effect Transistor (FET) housed in a PDFN 2x2S package, designed for applications requiring high efficiency and low on-resistance. This halogen-free and lead-free component boasts a Drain-Source Voltage (V_DS) of 30V and a Gate-Source Voltage (V_GS) of ±20V. With a maximum continuous drain current of 9A at 25°C and a pulsed drain current capability of up to 27A, it is well-suited for high-current applications. The device features a low R_DS(on) of 12mΩ at V_GS = 10V, ensuring minimal power loss and heat generation. The PB600BA also exhibits excellent thermal performance with a junction-to-ambient thermal resistance (R_θJA) of 71.7°C/W. Additional characteristics include a gate threshold voltage (V_GS(th)) range of 1.3V to 2.5V, a total gate charge (Q_g) of 15nC at V_GS = 10V, and a maximum power dissipation of 1.7W at 25°C. This FET is ideal for use in power management, load switching, and other high-efficiency electronic circuits.


  • APM2300CA ecgG

    APM2300CA ecgG

    The Sinopower APM2300CA is a high-performance N-Channel Enhancement Mode MOSFET designed for efficient power management applications in notebook computers, portable equipment, and battery-powered systems. This MOSFET offers a drain-source voltage (VDSS) of 20V and a continuous drain current (ID) of 6A, providing reliable and rugged performance. Featuring a low R_DS(on) of 25mΩ at V_GS=10V, 32mΩ at V_GS=4.5V, 40mΩ at V_GS=2.5V, and 65mΩ at V_GS=1.8V, the APM2300CA ensures minimal power loss and high efficiency. The component is housed in a compact SOT-23 package, making it suitable for space-constrained applications. With a maximum junction temperature of 150°C and compliance with RoHS and halogen-free standards, the APM2300CA is an environmentally friendly choice that does not sacrifice performance. Other notable features include low gate charge and fast switching capabilities, making it ideal for rapid and efficient power conversion tasks.


  • BSS138DW-7-F

    BSS138DW-7-F

    The BSS138DW, manufactured by Diodes Incorporated, is a dual N-channel enhancement mode field-effect transistor (MOSFET) designed for high efficiency power management applications. This component features a low on-state resistance (RDS(on)) of 3.5 ohms at VGS = 10V and can handle a maximum drain current (ID) of 200mA at an ambient temperature of 25°C. With a drain-source voltage (V(BR)DSS) of 50V, the BSS138DW is ideal for load switching applications. The MOSFET offers superior switching performance with low gate threshold voltage, low input capacitance, and fast switching speed. It is fully compliant with RoHS standards and is available in a SOT-363 package. The component is also available in an automotive-compliant version under the part number BSS138DWQ, meeting AEC-Q101 standards for high reliability.


  • 2N7002DW-3T6R 71da

    2N7002DW-3T6R 71da

    The 2N7002DW, manufactured by iSion, is an N-channel enhancement mode field-effect transistor (FET) designed for high-speed pulse amplifier and drive applications. It is fabricated using the N-channel DMOS process and comes in a compact SOT-363 package. The component offers robust ESD protection compliant with MIL-STD 833, +2.5KV contact discharge. Key features include a drain-source voltage (VDSS) of 60V, a gate-source voltage (VGSS) of +20V, and a continuous drain current (ID) of 300mA, with a pulsed drain current (IDM) of 800mA. The device has a maximum power dissipation (PD) of 350mW and operates within a junction temperature range of -55°C to +150°C. Additionally, it exhibits a low static drain-source on-resistance (RDS(ON)) of 2.0Ω at VGS = 10V and ID = 300mA, making it suitable for efficient switching applications. The thermal resistance from junction to ambient (RθJA) is rated at 500°C/W, ensuring reliable performance in various thermal conditions.


  • TPS62175 Template  wFnw

    TPS62175 Template wFnw

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template


  • TPS62175 Template  1HgE

    TPS62175 Template 1HgE

    Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template

    &


  • 48V Solar Li-Ion Charger

    48V Solar Li-Ion Charger

    A solar charging PCB for a 13S 5P lithium-ion battery pack. Charging design parameters: - Input voltage range: 40V to 56V - Battery voltage range: 39V to 54.6V - Input current limit: 12 A - Fast-charge current limit: 10 A - Switching frequency: 350kHz


  • NTS4001N 961f

    NTS4001N 961f

    The NTS4001N and NVS4001N are single N-Channel, small signal MOSFETs from ON Semiconductor, housed in a compact SC-70/SOT-323 package. These components are designed for applications requiring efficient low-side load switching, such as Li-Ion battery-supplied devices including cell phones, PDAs, and digital still cameras, as well as for use in buck converters and level shifters. Featuring a maximum drain-to-source voltage (VDSS) of 30 V and a continuous drain current (ID) of 270 mA at 25°C, these MOSFETs are optimized for fast switching with low gate charge. The gate-to-source voltage (VGS) can withstand up to ±20 V, and the devices are ESD protected and AEC-Q101 qualified, making them suitable for automotive applications. The NTS4001N and NVS4001N are also Pb-Free and RoHS compliant, ensuring environmental compliance. With a typical RDS(on) of 1.0 Ω at VGS = 4.0 V and 1.5 Ω at VGS = 2.5 V, these MOSFETs offer reliable performance in a small footprint, 30% smaller than the TSOP-6 package.


  • NTMFS4C024NT1G

    NTMFS4C024NT1G

    The NTMFS4C024N is a high-performance N-Channel MOSFET manufactured by ON Semiconductor, designed for power applications such as CPU power delivery and DC-DC converters. This single MOSFET, housed in a SO-8 FL package, boasts a maximum drain-to-source voltage (VDSS) of 30 V and can handle continuous drain currents up to 78 A at 25°C. It features exceptionally low RDS(on) values of 2.8 mΩ at 10 V and 4.0 mΩ at 4.5 V, which minimizes conduction losses. Additionally, the device is optimized for low gate charge and capacitance to reduce driver and switching losses, enhancing overall efficiency. The NTMFS4C024N is Pb-Free, Halogen Free/BFR Free, and RoHS compliant, ensuring it meets modern environmental standards. With a maximum power dissipation of 33 W and thermal resistance junction-to-case of 3.8°C/W, it is well-suited for high-power applications requiring robust thermal performance.


  • AO3422 b38f

    AO3422 b38f

    The AO3422 from Alpha & Omega Semiconductor is a high-performance, N-Channel Enhancement Mode Field Effect Transistor (FET) that leverages advanced trench technology to achieve outstanding RDS(ON) and low gate charge. Designed for efficient power conversion and load switching applications, this component operates effectively across a wide gate drive range of 2.5V to 12V. The AO3422 is characterized by a drain-source voltage (VDS) of 55V and a continuous drain current (ID) of 2.1A at a gate-source voltage (VGS) of 4.5V. Its RDS(ON) is impressively low, coming in at less than 160mΩ at VGS of 4.5V, making it suitable for a variety of power management tasks. The device is encapsulated in a compact SOT23 package, offering a robust solution for space-constrained applications. Additional features include a maximum junction temperature of 150°C, high forward transconductance, and fast switching characteristics that support efficient and reliable operation in high-performance circuit designs.

    &


  • ESP32 8 Relay Board desing 1

    ESP32 8 Relay Board desing 1

    ESP32 8 Relay Board. Has onboard mains to 5V or can use the ESP VIN for the +5V. 8 onboard relays capable of switching about 5A without adding additional tin to the traces.


  • APM2300CA 2fbd

    APM2300CA 2fbd

    The APM2300CA, manufactured by Sinopower Semiconductor, is an N-Channel Enhancement Mode MOSFET designed for power management applications in notebook computers, portable equipment, and battery-powered systems. This component features a drain-source voltage (VDSS) rating of 20V and can handle continuous drain currents up to 6A, with a typical RDS(ON) of 25mΩ when VGS is 10V, and various resistance levels at lower gate voltages. The MOSFET exhibits excellent reliability and ruggedness, compliant with RoHS and available in lead-free and halogen-free (Green) versions. Housed in a compact SOT-23 package, the APM2300CA operates across a junction temperature range of -55°C to 150°C, making it suitable for high-efficiency power management applications. Key performance characteristics include low gate charge, excellent switching times, and low gate resistance, which facilitate efficient operation in fast-switching environments.


  • FDMC86102LZ d446

    FDMC86102LZ d446

    The ON Semiconductor® FDMC86102LZ is an advanced N-Channel Shielded Gate PowerTrench MOSFET designed for high-efficiency DC-DC switching applications. Featuring Shielded Gate Technology, this MOSFET boasts a maximum drain-to-source voltage (VDS) of 100 V and a continuous drain current (ID) capability of up to 22 A at 25°C. The device exhibits low on-state resistance with a maximum rDS(on) of 24 mΩ at VGS = 10 V and ID = 6.5 A, and 35 mΩ at VGS = 4.5 V and ID = 5.5 A. It includes a gate-to-source zener diode for enhanced ESD protection, with a typical HBM ESD protection level greater than 6 kV. The FDMC86102LZ is RoHS compliant, 100% UIL tested, and offers superior switching performance due to its optimized PowerTrench® process. The component is packaged in a compact MLP 3.3×3.3 format, making it ideal for space-constrained designs. Its thermal characteristics include a junction-to-case thermal resistance (RθJC) of 3°C/W and a junction-to-ambient thermal resistance (RθJA) of 53°C/W when mounted on a 1 in² pad of 2 oz copper.


  • Si2324DS-T1-GE3

    Si2324DS-T1-GE3

    The Vishay Siliconix Si2324DS is a high-performance N-Channel MOSFET designed for applications requiring efficient switching and power management. This component, housed in a compact TO-236 (SOT-23) package, features a drain-source voltage (V_DS) of 100V and a continuous drain current (I_D) of up to 2.3A at 25°C. The Si2324DS offers low on-resistance (R_DS(on)) values of 0.234Ω at a gate-source voltage (V_GS) of 10V, ensuring minimal power loss and high efficiency. With a typical gate charge (Q_g) of 2.9nC, it is suitable for high-speed switching applications. The MOSFET is fully Rg and UIS tested, ensuring reliability and robustness in demanding environments. This component is ideal for use in DC/DC converters, load switches, and LED backlighting in LCD TVs, making it a versatile choice for various power management applications. The Si2324DS is lead-free, halogen-free, and RoHS compliant, aligning with environmental and safety standards.


  • FG28

    FG28

    The TDK FG series of Multilayer Ceramic Capacitors (MLCC) with dipped radial leads are designed for commercial-grade applications, offering a halogen-free and RoHS compliant solution. These capacitors are available with lead pitches of 5.0mm and 2.5mm, and come in various dimensions ranging from 4.0x5.5mm to 8.5x11.0mm. The FG series includes types such as FG28, FG24, FG26, FG20, FG22, FG23 for the 5.0mm lead pitch, and FG18, FG14, FG16, FG11 for the 2.5mm lead pitch. These capacitors feature a voltage rating of 10V to 630V and a capacitance range from 1pF to 47uF. They are suitable for applications including noise reduction in motors, bypass and smoothing capacitors for switching power sources, snubber circuits, and PFC input filters. The components are characterized by various temperature coefficients including C0G, X5R, X7R, X7S, and X7T, with operating temperatures ranging from -55°C to +125°C. The FG series is available in both bulk and taped packaging styles, designed to meet the needs of general electronic equipment such as AV equipment, telecommunications, home appliances, and industrial robots.