USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

Linear Voltage Regulator IC Positive Fixed 1 Output 500mA SOT-23-5 The TLV75533PDBVR is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3 V output from a higher input voltage source. It features ultra-low quiescent current and high power-supply rejection ratio (PSRR), making it ideal for battery-powered and noise-sensitive applications such as IoT devices, portable electronics, and RF circuits. The device is optimized for fast transient response and stable operation with small ceramic output capacitors. Key Features Fixed output voltage: 3.3 V Low dropout voltage (typ. ~200 mV at full load) Ultra-low quiescent current (typ. 25 µA) High PSRR for noise-sensitive applications Stable with small ceramic capacitors (≥1 µF) Thermal shutdown and overcurrent protection Available in compact SOT-23-5 package (DBV) Absolute Maximum Ratings Input voltage: –0.3 V to 6.5 V Output voltage: –0.3 V to (VIN + 0.3 V) Operating junction temperature: –40°C to +125°C Storage temperature range: –65°C to +150°C Recommended Operating Conditions Input voltage range: 1.45 V to 5.5 V Output voltage: 3.3 V (fixed) Output current: up to 500 mA Operating temperature range: –40°C to +125°C Electrical Characteristics (Typical unless otherwise noted) Output voltage accuracy: ±1% Dropout voltage: ~200 mV @ 500 mA Quiescent current: ~25 µA PSRR: up to 70 dB (at 1 kHz) Line regulation: <0.05%/V Load regulation: <0.5% Pin Configuration (SOT-23-5) Pin 1: IN – Input voltage Pin 2: GND – Ground Pin 3: EN – Enable (active high) Pin 4: NC – No connect Pin 5: OUT – Regulated output Typical Application Power management for microcontrollers and sensors Battery-powered portable devices RF and analog circuits requiring low noise supply IoT and wearable electronics Protection Features Thermal shutdown protection Overcurrent protection Undervoltage lockout (UVLO) #commonpartsLibrary #integratedcircuit #powermanagement #voltageregulator

OR Controller N+1 ORing Controller N-Channel 1:1 TSOT-23-8 The LM74700QDDFRQ1 is an automotive-qualified ideal diode controller designed to provide reverse polarity protection, reverse current blocking, and input power path management in low-voltage DC power systems. The device controls an external N-channel MOSFET to emulate an ideal diode with very low forward voltage drop and reduced power dissipation compared to conventional Schottky diodes. It is optimized for automotive and industrial applications requiring robust protection against negative supply voltages, load dump conditions, and reverse battery events. The controller supports wide input voltage operation and integrates fast response circuitry for fault handling and transient protection. The device is suitable for power OR-ing, hot-swap, redundant power supply systems, and battery-connected applications where efficiency, reliability, and thermal performance are critical. Engineering Specification Device Type Automotive ideal diode controller with reverse battery and reverse current protection Qualification Standard AEC-Q100 qualified for automotive applications Control Topology External N-channel MOSFET controller for ideal diode operation Input Voltage Range Supports wide automotive and industrial supply voltage ranges Reverse Polarity Protection Provides protection against negative input voltage conditions and reverse battery connection Reverse Current Blocking Actively prevents reverse current flow during output-to-input fault conditions Forward Voltage Drop Low conduction losses through external MOSFET control for high-efficiency power delivery Transient Protection Capable of handling automotive transient events including load dump conditions Gate Drive Control Integrated gate driver optimized for fast MOSFET switching and protection response Power Path Management Supports power OR-ing and redundant supply architectures Fault Response Fast turn-off during reverse current and fault events Current Consumption Low operating quiescent current suitable for always-on systems Thermal Performance Designed for efficient thermal operation with external MOSFET-based power dissipation Operating Temperature Range Automotive-grade extended temperature operation Package Type Small-outline automotive package suitable for compact PCB layouts #commonpartsLibrary #integratedcircuit #powermanagement #orcontroller

Voltage Level Translator Bidirectional 1 Circuit 8 Channel 60Mbps 20-TSSOP This device is an 8-bit non-inverting level translator which uses two separate configurable power-supply rails. The A port tracks the VCCA pin supply voltage. The VCCA pin accepts any supply voltage between 1.4V and 3.6V. The B port tracks the VCCB pin supply voltage. The VCCB pin accepts any supply voltage between 1.65V and 5.5V. Two input supply pins allows for low Voltage bidirectional translation between any of the 1.5V, 1.8V, 2.5V, 3.3V, and 5V voltage nodes. When the output-enable (OE) input is low, all outputs are placed in the high-impedance (Hi-Z) state. To put the device in the Hi-Z state during power-up or power-down periods, tie OE to GND through a pulldown resistor. The current-sourcing capability of the driver determines the minimum value of the resistor. • No direction-control signal needed • Maximum data rates: – 110Mbps (push pull) – 1.2Mbps (open drain) • 1.4V to 3.6V on A port and 1.65V to 5.5V on B port (VCCA ≤ VCCB) • No power-supply sequencing required – either VCCA or VCCB can be ramped first • Latch-up performance exceeds 100mA per JESD 78, class II • ESD protection exceeds JESD 22 (A port): – 2000 V Human Body Model (A114-B) – 150 V Machine Model (A115-A) – 1000 V Charged-Device Model (C101) • IEC 61000-4-2 ESD (B-port): – ± 8kV Contact Discharge – ± 6kV Air Discharge #commonpartslibrary #integratedcircuit #logic #translator #levelshifter

RS485 transceiver, 3.3-V to 5-V, 18-kV IEC ESD Protection, SOIC-8 rs485 transceiver line driver SOIC*3.9x4.9mm*P1.27mm*

Electronic Fuse Regulator 2.5A 6-WSON (2x2) The TPS25200 is a 5-V eFuse with precision current limit and overvoltage clamp. The device provides robust protection for load and source during overvoltage and overcurrent events.

Fuse Holder 80V 1 Circuit Blade Through Hole General Description The 178.7017.0001 is a PCB-mounted fuse holder designed for cartridge fuses, typically used in power input protection circuits. It provides a secure and reliable method for mounting and replacing fuses in electronic assemblies. This component is commonly used in industrial equipment, power supplies, and consumer electronics where overcurrent protection is required. Key Features Designed for standard cartridge fuses (commonly 5x20 mm format) Through-hole PCB mounting for secure mechanical stability Reliable electrical contact with low resistance Easy fuse replacement and maintenance High-temperature resistant housing material Suitable for mains and low-voltage applications Mechanical Characteristics Mounting Type: Through-Hole (THT) Fuse Size Compatibility: 5 mm x 20 mm Orientation: Vertical PCB mount Housing Material: Thermoplastic (UL94 V-0 rated) Pin Configuration: 2-pin Electrical Characteristics Rated Current: Up to 10 A (depending on fuse used) Rated Voltage: Up to 250 VAC Contact Resistance: Low contact resistance for efficient conduction Insulation Resistance: High insulation resistance Environmental Characteristics Operating Temperature Range: -40°C to +85°C (typical) Storage Temperature Range: -40°C to +85°C Flame Rating: UL94 V-0 compliant Applications Power supply units Industrial control systems Consumer electronics Battery chargers AC mains protection circuits Compliance & Standards RoHS compliant UL recognized materials (depending on manufacturer variant) Notes Ensure compatibility with selected fuse rating and type Observe proper PCB layout spacing for high-voltage applications Follow safety standards when used in mains-powered circuits #commonpartslibrary #circuitprotection #fuseholder

3.8-V to 36-V, 3-A synchronous step-down voltage converter Buck Switching Regulator IC Positive Adjustable 1V 1 Output 3A 12-PowerVFQFN The LMR33630-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged applications. The LMR33630-Q1 drives up to 3 A of load current from an input of up to 36 V. The LMR33630-Q1 provides high light load efficiency and output accuracy in a very small solution size. Features such as a power-good flag and precision enable provide both flexible and easy-touse solutions for a wide range of applications. The LMR33630-Q1 automatically folds back frequency at light load to improve efficiency. Integration eliminates most external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LMR33630-Q1 is available in a 12-pin 3 mm × 2 mm next generation VQFN package with wettable flanks • AEC-Q100 qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Functional Safety-Capable – Documentation available to aid functional safety system design • Configured for rugged automotive applications – Input voltage range: 3.8 V to 36 V – Output voltage range: 1 V to 24 V – Output current: 3 A – 75-mΩ/50-mΩ RDS-ON power MOSFETs – Peak-current-mode control – Short minimum on-time of 68 ns – Frequency: 400 kHz, 1.4 MHz, 2.1 MHz – Integrated compensation network • Low EMI and switching noise – HotRod™ package – Parallel input current paths • High power conversion at all loads – Peak efficiency > 95% – Low shutdown quiescent current of 5 µA – Low operating quiescent current of 25 µA #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LMR33630

Low capacitance unidirectional quadruple ESD protection diode array, 3.3V, Common Anode, SOT-353 diode SOT?353*

Diode 40 V 3A Surface Mount SMB Schottky diode 3A 40V SMB The B340B-13-F is a surface-mount Schottky barrier rectifier diode designed for efficient power rectification in low-voltage, high-frequency applications. It features low forward voltage drop and fast switching capability, making it suitable for DC-DC converters, power supplies, reverse polarity protection, and freewheeling diode applications. The device is housed in a compact SMB (DO-214AA) package, enabling high current handling in space-constrained designs. ELECTRICAL CHARACTERISTICS Reverse Voltage (VRRM): 40 V Average Forward Current (IF(AV)): 3 A Forward Voltage (VF): 0.5 V (typical at IF = 3 A) Reverse Leakage Current (IR): 0.5 mA (max at VR = 40 V, 25°C) Peak Surge Current (IFSM): 80 A (8.3 ms single half sine wave) THERMAL CHARACTERISTICS Operating Junction Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Thermal Resistance Junction-to-Ambient (RθJA): ~75 °C/W MECHANICAL CHARACTERISTICS Package Type: SMB (DO-214AA) Mounting Type: Surface Mount (SMD) Polarity: Cathode marked by band Weight: ~0.1 g FEATURES Low forward voltage drop for improved efficiency High surge current capability Fast switching speed Low power loss and high reliability Compact SMB package for space-saving PCB layout RoHS compliant and halogen-free APPLICATIONS Switch-mode power supplies (SMPS) DC-DC converters Reverse polarity protection circuits Freewheeling and clamping diodes Battery charging circuits MANUFACTURER / PART DETAILS Manufacturer: Diodes Incorporated Part Number: B340B-13-F Package Code: SMB (DO-214AA) #Diode #Rectifier #Single-Diode #SCHOTTKY #B340

4.7 µH Shielded Drum Core, Wirewound Inductor 2.6 A 105mOhm Max 2-SMD The SRP4020TA-4R7M is a compact surface-mount power inductor designed for use in high-efficiency power conversion and energy storage applications. It is optimized for switching regulators, DC-DC converters, and filtering circuits where stable inductance, low core loss, and reliable current handling are required. The device features a magnetically shielded construction that minimizes electromagnetic interference, making it suitable for densely populated electronic assemblies. Its robust design supports consistent performance across a wide range of operating conditions, contributing to improved system efficiency and reduced noise. Construction and Materials The component is manufactured using a ferrite core with integrated winding, enclosed in a molded structure that provides mechanical stability and environmental protection. The shielding structure reduces flux leakage and enhances electromagnetic compatibility. External terminations are designed for reliable solderability and strong adhesion to standard printed circuit board pads. Electrical Characteristics The inductor provides a nominal inductance corresponding to its designation and maintains stability under rated operating conditions. It exhibits low direct current resistance to minimize conduction losses and supports moderate to high current levels without significant saturation. The component is engineered to maintain performance over variations in temperature and frequency typical of switching power applications. Thermal Performance The device is capable of operating within standard industrial temperature ranges, with thermal characteristics that support efficient heat dissipation through the PCB. Its construction helps maintain inductance stability and prevents degradation under thermal stress. Mechanical Characteristics The package is a low-profile, surface-mount form factor suitable for automated assembly. The compact footprint enables use in space-constrained designs, while the structure ensures durability during handling and reflow soldering processes. Applications Typical applications include step-down and step-up voltage regulators, power management modules, portable electronics, telecommunications equipment, and general-purpose filtering where compact size and efficient performance are critical. Reliability and Compliance The component is designed to meet common industry reliability standards for surface-mount passive devices. It is compatible with standard reflow soldering processes and is typically compliant with environmental regulations governing hazardous substances. #commonpartslibrary #inductor

Automotive, 60-V, 6-A, 30-mΩ, one-channel smart high-side switch with adjustable current limit TPS1HTC30-Q1 is a single-channel, smart high-side switch, with integrated NMOS power FET and charge pump, designed to meet the requirements of 24-V automotive battery systems. The low RON(30 mΩ) minimizes device power dissipation driving a wide range of output load current up to 6-A DC, and the 60- V DC operating range improves system robustness. The device integrates protection features such as thermal shutdown, output clamp, and current limit. These features improve system robustness during fault events such as short circuit. TPS1HTC30-Q1 implements an adjustable current limiting circuit that improves the reliability of the system by reducing inrush current when driving large capacitive loads and minimizing overload current. The device also provides an accurate load current sense that allows for improved load diagnostics such as overload and open-load detection enabling better predictive maintenance. TPS1HTC30-Q1 is available in a small 14-pin, 4.40- mm × 5.0-mm HTSSOP leaded package with 0.65- mm pin pitch minimizing the PCB footprint. • Single-channel smart high-side power switch for 24-V automotive systems with full diagnostics • Wide operating voltage range: 6 V to 60 V – OVP protection: 66 V • Low RON: 30-mΩ typical, 55-mΩ maximum • Low standby current: < 0.5 µA • Low quiescent current (Iq): < 2 mA • Improve system level reliability through adjustable current limiting – Current limit: 2 A –16 A • Accurate current sensing: ±4% at 1 A • Protection – Overload and short-circuit protection – Integrated inductive discharge clamp – Undervoltage lockout (UVLO) protection – Loss of GND, loss of supply protection – Reverse battery protection with external components • Diagnostics – On and off state output open-load and short-tobattery detection – Overload and short to ground detection – Absolute and relative thermal shutdown detection • Functional Safety-Capable – Documentation available to aid functional safety system design • Operating junction temperature: –40 to 125°C • Input control: 1.8-V, 3.3-V and 5-V logic compatible • Integrated fault sense voltage scaling for ADC protection • Qualifications – AEC-Q100 qualified for automotive applications • Temperature grade 1: –40°C to +125°C, TA • 14-pin thermally-enhanced TSSOP package TPS1HTC30AQPWPRQ1 #CommonPartsLibrary #IntegratedCircuit

Buck Switching Regulator IC Positive Adjustable 1.2V 1 Output 3.5A 8-PowerSOIC (0.154", 3.90mm Width) The LM5013DDAR is a 100-V input, 3.5-A buck switching regulator IC that efficiently steps down high DC voltages (such as 24 V, 48 V, or battery rails) to lower regulated outputs. It is optimized for rugged environments where wide input variations and high reliability are required. It features ultra-low quiescent current operation, making it suitable for systems that require high efficiency even at light load or standby conditions. Key Features Wide input voltage range: 6 V to 100 V Up to 3.5 A output current capability Integrated 100-V high-side MOSFET Non-synchronous buck topology Ultra-low quiescent current (IQ) for high efficiency in standby Constant-on-time (COT) control for fast transient response No external compensation components required Adjustable output voltage (down to ~1.2 V reference) 50 ns minimum on/off time for high step-down ratios Built-in protection features: Overcurrent protection Thermal shutdown Input undervoltage lockout (UVLO) Open-drain power-good (PGOOD) signal for system monitoring Meets low EMI requirements (CISPR 25 Class 5 capable) Package 8-pin SO PowerPAD (DDA) surface-mount package Designed for good thermal performance in high-voltage applications Typical Applications Industrial power supplies (24 V / 48 V systems) Automotive power systems Telecom and networking equipment High cell-count battery systems Motor control and inverter subsystems #LM5013 #BuckConverter #DCDCConverter #TexasInstruments #PowerManagementIC #HighVoltageRegulator #3ARegulator #IndustrialPower #AutomotiveElectronics #SwitchingRegulator #COTController