Hot Swap Controller 1 Channel General Purpose 23-LQFN-CLIP (6x5) The TPS16851VMAR is an automotive-grade integrated electronic fuse device designed to provide advanced power path protection and monitoring for low-voltage DC power distribution systems. The device integrates multiple protection mechanisms including overvoltage protection, undervoltage protection, overcurrent protection, reverse current blocking, and inrush current control within a compact package optimized for space-constrained applications. It is intended for use in automotive, industrial, and embedded electronic systems requiring robust hot-swap capability, fault isolation, and controlled power sequencing. The device incorporates precision current sensing and programmable fault management functions that enable reliable protection of downstream circuitry against abnormal operating conditions. Adjustable protection thresholds and timing parameters allow flexible system-level configuration while maintaining fast fault response and high reliability. Integrated MOSFET control minimizes external component count and simplifies PCB implementation. The TPS16851VMAR supports wide input operating ranges suitable for automotive battery-powered environments and transient-prone supply rails. The device is qualified for harsh operating conditions and includes thermal shutdown and fault reporting features to improve system safety and diagnostics. Engineering Specification Device Type Automotive electronic fuse with integrated protection and power management functionality Manufacturer Texas Instruments Package Type VQFN-HR surface-mount package Mounting Type Surface mount Application Category Automotive power distribution and protection Protection Features Overvoltage protection Undervoltage protection Overcurrent protection Short-circuit protection Reverse current blocking Thermal shutdown Inrush current limiting Control Features Programmable fault thresholds Adjustable current limit Programmable timing and retry behavior Enable and shutdown control Fault indication and monitoring Power Management Features Integrated MOSFET control Hot-swap capability Controlled startup sequencing Load disconnect functionality Interface Characteristics Analog control interface Diagnostic fault reporting Current sense monitoring Operating Environment Automotive-qualified operating conditions High transient immunity Designed for harsh electrical environments PCB Integration Compact footprint Thermally enhanced package Low external component requirement Typical Applications Automotive electronic control units Infotainment systems ADAS power distribution Industrial control systems Embedded power management Protected DC supply rails #commonpartslibrary #integratedcircuit #powermanagement #hotswapcontrollers

4.7 µH Unshielded Drum Core, Wirewound Inductor 62 A 0.95mOhm Max Vertical, 2 PC Pin The IHDM1008BCEV4R7M30 is a surface-mount power inductor designed for energy storage and filtering in switching power supplies and DC-DC converter circuits. It provides stable inductance characteristics under varying current conditions, making it suitable for applications requiring efficient power conversion and noise suppression. The device is constructed using a magnetically shielded structure to minimize electromagnetic interference and ensure reliable operation in densely populated circuit environments. Its design supports high current handling capability while maintaining low core losses, contributing to overall system efficiency. Functional Overview The inductor stores energy in its magnetic field when current flows through it and releases that energy when the current changes. This behavior is essential for smoothing current in switching regulators and maintaining stable voltage levels in power circuits. Its low resistance winding helps reduce power loss, while the magnetic shielding limits flux leakage, improving performance in sensitive electronic systems. The component is optimized for high-frequency operation typically found in modern power management designs. Electrical Characteristics The device provides a fixed inductance value with stable performance across a range of operating currents. It supports relatively high saturation current levels, allowing it to function effectively in power circuits without significant degradation of inductance. Low direct current resistance contributes to improved efficiency and reduced heat generation. The inductor is designed to maintain consistent electrical behavior across typical operating temperatures and frequencies used in switching applications. Interface Requirements The component features standard surface-mount terminals for direct placement onto printed circuit boards. Proper soldering and pad design are required to ensure mechanical stability and optimal electrical performance. Placement considerations should include minimizing loop area and proximity to switching elements to reduce noise and maximize efficiency. Operating Conditions The inductor is intended for operation across a wide temperature range suitable for consumer and industrial electronics. It is capable of maintaining performance under continuous load conditions and varying thermal environments. Adequate thermal management and airflow may be necessary in high-current applications to prevent excessive temperature rise. Protection and Reliability Features The device is constructed with durable materials to ensure long-term reliability under electrical and thermal stress. Its magnetically shielded design reduces susceptibility to external interference and limits emissions that could affect nearby components. It is designed to withstand standard handling and soldering processes associated with surface-mount assembly. Packaging and Integration The IHDM1008BCEV4R7M30 is provided in a compact surface-mount package optimized for automated assembly processes. Its form factor allows efficient use of board space while supporting high-performance power designs. The package design ensures secure mounting and consistent electrical contact in high-density circuit layouts. Applications Typical applications include DC-DC converters, voltage regulator modules, power management circuits, filtering stages, and energy storage elements in portable devices, industrial equipment, and communication systems. #commonpartslibrary #inductors

Monitors & Reset Circuits TPS3808G33DRVT WSON-6_L2.0-W2.0-P0.65-TL-EP LCSC Part Number: C702176 JLCPCB Part Class: undefined Manufactured by TI(德州仪器) Texas Instruments TPS3808 low-quiescent-current voltage supervisor and reset generator, supply voltage monitoring from 0.4V to 5V, 0.5% threshold accuracy, adjustable reset delay from 1.25ms to 10s using external capacitor, open-drain RESET output, manual reset (MR) input, ultra-low 2.4µA typical quiescent current, suitable for microcontrollers, DSPs, FPGAs, ASICs, battery-powered and portable devices, operating temperature range -40°C to +125°C, available in SOT-23-6 and WSON-6 packages. Search Keywords: TPS3808, TPS3808G, Texas Instruments TPS3808, TI TPS3808, voltage supervisor, reset supervisor, reset generator, watchdog reset, power-on reset, POR supervisor, brownout detector, voltage monitor IC, microcontroller supervisor, open drain reset, adjustable reset delay, manual reset supervisor, low power supervisor, battery powered reset IC, TPS3808 datasheet, TPS3808 SOT-23-6, TPS3808 WSON-6 Hashtags: #TPS3808 #TexasInstrumentsTPS3808 #TIVoltageSupervisor #VoltageSupervisor #ResetSupervisor #ResetGenerator #PowerOnReset #BrownoutDetector #VoltageMonitorIC #MicrocontrollerSupervisor #OpenDrainReset #ManualReset #LowPowerSupervisor #BatteryPoweredDesign #SOT236 #WSON6

Battery Power Management IC Lithium Ion/Polymer 24-QFN (4x4) nPM1100 is an integrated Power Management IC (PMIC) with a linear-mode lithium-ion/lithium-polymer battery charger in a compact 2.1x2.1 mm WLCSP package. It has a highly efficient, dual-mode configurable output DC/DC buck regulator. nPM1100 is an extremely compact PMIC device, created for space constrained applications with a small lithium-ion or lithium-polymer battery. It is compatible with all nRF52 and nRF53 Series SoCs and supports charging batteries at up to 500 mA through USB, and also delivers up to 150 mA of current to power external components with regulated voltage. A minimum of five passive components are required for operation and the device functions without a control interface. It is the perfect companion for nRF52 and nRF53 multiprotocol SoCs in battery powered designs. Low quiescent current (IQ) extends battery life during shipping and storage with Ship mode, or in operation using auto-controlled hysteretic buck mode for high efficiency down to 1 µA loads. Charge and error indication LED drivers are built in. Charge profile limits are configurable and VBUS current limits can be fixed or auto-controlled with on-chip USB port detection. • 400 mA linear battery charger • Linear charger for lithium-ion/lithium-polymer batteries • Adjustable charge current from 20 mA to 400 mA • Selectable termination voltage of 4.1 V or 4.2 V • Automatic trickle, constant current, and constant voltage charging • Battery thermal protection • Discharge current limitation • JEITA compliant • Li-ion/Li-polymer USB battery charger with a high efficiency buck regulator • 800 nA - Typical quiescent current • 460 nA - Shipping mode quiescent current • Thermal protection • Input regulator • USB compatible current limit of 100 mA and 500 mA • 4.1 V to 6.7 V input voltage range for normal operation • 20 V overvoltage protection • Reverse current protection • 3.0 V to 5.5 V system voltage output • USB port detection supporting the following types: • SDP • CDP/DCP • 1.8 V to 3.0 V, 150 mA step-down buck regulator • Step-down buck regulator with up to 92% efficiency • Automatic transition between hysteretic and pulse width modulation (PWM) modes • Forced PWM mode for clean power operation • Pin-selectable output voltage (1.8 V, 2.1 V, 2.7 V, 3.0 V) • Soft start-up • LED drivers for charger state indication • 5 mA low side LED driver for charging indication • 5 mA low side LED driver for error indication • 2.3 V to 4.35 V battery operating input range • 2.1x2.1 mm WLCSP package • Suitable for two layer PCB design #CommonPartsLibrary #IntegratedCircuit #NordicSemiconductor #nPM1100 #PMIC #BatteryCharger #PowerManagement #LiIon #LiPolymer #BuckConverter #Wearables #IoT #WirelessSensor #LowPowerDesign #USBCharging #EmbeddedSystems #nRF52 #nRF53 #PortableElectronics

Buck Switching Regulator IC Adjustable 1 Output 1000mA SOT-23-6 The LGS5145 is a step-down DC/DC regulator with internal switching, featuring SKIP control mode, which combines low quiescent current with high switching frequency to achieve high efficiency over a wide range of load currents. The SKIP mode uses a short “burst” cycle to switch the inductor current through the internal power MOSFETs, followed by a sleep cycle in which the power switch is turned off and the load current is supplied by the output capacitor. At light loads, the burst cycle is a fraction of the total cycle time, minimizing the average supply current and greatly improving efficiency at light loads. The LGS5145 has a wide input voltage range of 4.5V55V, minimizing the need for external surge suppression components.The LGS5145 features an integrated low resistance 0.6Ω high-side power MOSFET that provides at least 1A of output current capability with excellent load and line transient response. Junction temperature range from -40°C to +125°C ■ All ports are ESD protected to 3000V (HBM). ■ Wide input voltage range: 4.5V-55V ■ 600mΩ High Side Metal Oxide Semiconductor Field Effect Transistors ■ At least 1000mA continuous current output capability ■ Up to 90% efficiency ■ SKIP mode provides very high light load efficiency ■ 1.2MHz fixed operating frequency ■ Internal compensation helps reduce solution size, cost and design complexity ■ Supports capacitive start for large loads ■ Cycle-by-cycle overcurrent protection ■ Output short circuit protection ■ thermal shutdown protection ■ Available in ultra-small package SOT23-6 package #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator

QFN-68-EP(7x7) Power Management - Specialized RoHS The RK809-5 is a highly integrated Power Management Integrated Circuit (PMIC) from Rockchip designed for multi-core processor systems and embedded applications. It provides a complete power management solution by integrating multiple high-efficiency DC-DC buck converters, LDO regulators, power sequencing logic, battery fuel gauging, RTC functionality, and audio codec capabilities into a single device. The RK809-5 is commonly used alongside Rockchip SoCs in single-board computers, tablets, AIoT devices, and industrial embedded systems. Key Features Five high-efficiency synchronous buck converters with fast transient response. Nine low-dropout (LDO) voltage regulators for powering sensitive analog and digital circuits. Integrated battery fuel gauge for battery capacity monitoring. Configurable power-up and power-down sequencing (OTP programmable). Dynamic Voltage Scaling (DVS/DVFS) support via I²C interface. Integrated Real-Time Clock (RTC) with 32.768 kHz crystal oscillator support. Two integrated load switches for peripheral power control. Over-current, over-voltage, and thermal protection features. Built-in audio CODEC with headphone driver and Class-D amplifier support. Designed to minimize external component count and simplify power system design. QFN-68-EP (7 mm × 7 mm) package. #RK8095 #RK809 #Rockchip #PMIC #PowerManagementIC #BatteryManagement #AudioCodec #RTC #DVFS #EmbeddedSystems #SingleBoardComputer #IoT #IndustrialElectronics #PowerSupplyDesign #ElectronicsEngineering

2A 150KHz 40V Buck DC to DC Converter The XL1509-5.0E1 is a fixed frequency PWM buck step-down DC-DC converter capable of driving a load with high efficiency, low ripple, and excellent line and load regulation. It is manufactured by XLSEMI and belongs to the XL1509 product family, a series of fixed-output and adjustable-output step-down switching regulator ICs designed to simplify the design of compact, efficient DC power conversion stages in a wide range of embedded, industrial, and consumer electronics applications. The "5.0" designation in the part number specifies that this variant produces a fixed regulated output voltage of five volts, making it directly suited to powering five-volt logic, microcontrollers, sensors, communication modules, and other standard digital subsystems from higher-voltage DC rails without requiring a linear regulator and its inherent power dissipation penalty. Unikeyic Electronics The XL1509 requires a minimum number of external components, making it simple to use, and includes internal frequency compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from zero to one hundred percent. This internal compensation architecture removes the burden of control loop design from the system engineer, which is a common point of complexity in discrete buck converter designs, and allows the device to be implemented with a straightforward application circuit consisting of an input capacitor, an output inductor, a freewheeling Schottky diode, and an output capacitor, without requiring additional feedback network components in the fixed-output version. Unikeyic Electronics The device operates across a wide input voltage range, accepting input rails ranging from just above the output voltage all the way up to the high end of the input range, making it compatible with a variety of common source voltages including twelve-volt, twenty-four-volt, and other industrial bus rails frequently encountered in embedded and industrial power system designs. This wide input range also makes it suitable for battery-powered applications where the supply voltage varies considerably across the battery discharge cycle, as the converter maintains a regulated output throughout the input voltage window. The fixed switching frequency is set internally at a value that represents a practical tradeoff between external component size and switching loss, allowing the use of standard commodity inductors and electrolytic or ceramic output capacitors without requiring unusually large or small values. An enable function and an overcurrent protection function are built inside. When a secondary current limit condition occurs, the operating frequency is reduced to a lower switching frequency, which limits the energy delivered per cycle and prevents damage to the power switch and external components during sustained overload events. This dual-level current protection approach provides both instantaneous peak current limiting and sustained overload protection, improving the robustness of designs built around the device in applications where load transients or fault conditions may cause temporary overcurrent conditions. Unikeyic Electronics The device is housed in a standard eight-pin small-outline integrated circuit surface-mount package, making it compatible with automated pick-and-place and reflow soldering assembly processes and suitable for compact power supply layouts on densely populated PCBs. Spec Sheet Identification Part Number: XL1509-5.0E1 Device Family: XL1509 Buck DC-DC Converter Series Manufacturer: XLSEMI Part Number Decode XL1509: Base device family 5.0: Fixed output voltage — five volts E1: Tape-and-reel packaging variant Functional Classification Device Type: Fixed-frequency PWM step-down buck DC-DC converter IC Topology: Non-synchronous buck converter with internal power switch Output Configuration: Single output, fixed voltage Regulation Method: Fixed-frequency PWM with internal compensation Electrical Characteristics Input Voltage Range: Wide input range, compatible with common industrial and consumer DC bus voltages Output Voltage: Fixed regulated output at five volts Output Current: Continuous rated current class suitable for moderate embedded system loads Switching Frequency: Fixed internal oscillator, mid-frequency class Duty Cycle Range: Adjustable from zero to maximum, internally controlled Minimum Dropout Voltage: Low dropout class Output Ripple: Low ripple characteristic with appropriate external filter components Control & Protection Features Enable Function: Built-in enable control input for power sequencing and shutdown Overcurrent Protection: Integrated primary current limit with frequency fold-back secondary protection Internal Compensation: Built-in frequency compensation, no external compensation network required Feedback: Internal reference for fixed output voltage regulation External Components Required Input Capacitor: Required for input decoupling Output Inductor: Required, standard commodity value Freewheeling Diode: External Schottky diode required Output Capacitor: Required for output filtering Environmental & Qualification Operating Temperature Range: Industrial range, below zero to elevated ambient RoHS Compliance: Yes, Halogen-Free Package Package Type: SOIC-8 (SOP-8) Mounting Method: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel Reel Quantity: Standard production reel quantity Available Variants in XL1509 Family XL1509-3.3E1: Fixed output at regulated lower voltage XL1509-5.0E1: Fixed output at five volts (this device) XL1509-12E1: Fixed output at twelve volts XL1509-ADJE1: Adjustable output version #XL1509 #XL15095 #XLSEMI #BuckConverter #StepDownConverter #DCDCConverter #PWMConverter #SwitchingRegulator #PowerManagement #EmbeddedPower #FixedOutputConverter #FiveVoltRegulator #IndustrialPower #SOIC8 #SurfaceMount #LowRipple #HighEfficiency #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant #PCBDesign

The CH9102X is a high-speed USB-to-UART bridge IC developed by WCH (Jiangsu Qinheng Microelectronics). It enables seamless communication between a USB host and UART-based embedded systems, making it ideal for programming, debugging, firmware updates, and serial data communication. The device integrates a USB 2.0 Full-Speed interface, an internal clock, power-on reset, and firmware, eliminating the need for an external crystal oscillator. The CH9102X variant supports 3.3 V UART I/O and is widely used on development boards such as ESP32 and other MCU-based designs. Key Features USB 2.0 Full-Speed (12 Mbps) compliant device interface USB-to-UART bridge supporting baud rates from 50 bps to 4 Mbps 3.3 V UART I/O (CH9102X variant) Integrated clock oscillator (no external crystal required) Built-in power-on reset circuit Hardware full-duplex UART with independent TX/RX buffers Supports 5, 6, 7, or 8 data bits Supports None, Odd, Even, Mark, and Space parity Supports RTS/CTS hardware flow control Supports MODEM signals: RTS, CTS, DTR, DSR, DCD, and RI TNOW output for automatic RS-485 transmit/receive control Compatible with built-in CDC drivers and vendor VCP drivers on major operating systems Available in compact RoHS-compliant QFN packages #CH9102X #USBtoUART #USBBridge #UART #SerialConverter #WCH #USB20 #EmbeddedSystems #ESP32 #MCU #RS485 #FirmwareUpdate #Debugging #IoT #PCBDesign

Power Management Specialized - PMIC Automotive 2.8-V to 5.5-V PMIC The TPS6593C3A0RWERQ1 is an automotive-grade power management integrated circuit (PMIC) designed by Texas Instruments for advanced processor and system-on-chip power architectures. The device integrates multiple high-efficiency DC/DC buck converters, low-dropout regulators, power sequencing, safety monitoring, and diagnostic functions into a single compact package. It is optimized for use in automotive ADAS, digital cockpit, gateway, radar, vision, and domain controller applications requiring functional safety compliance and high power density. The device supports complex multi-rail power management for high-performance processors and includes configurable startup and shutdown sequencing, voltage monitoring, watchdog functionality, error signaling, and fault protection mechanisms. Integrated communication interfaces enable configuration and monitoring by an external host processor. The PMIC is qualified for automotive applications and supports operation across extended temperature ranges suitable for harsh automotive environments. Key Features Automotive AEC-Q100 qualified power management IC for processor power systems Integrated multi-phase step-down buck converters for high-current rails Integrated low-dropout linear regulators for analog and auxiliary rails Programmable power sequencing and rail management Functional safety support suitable for ASIL-oriented system architectures Integrated watchdog timer and safety monitoring functions Voltage supervision and fault detection for all major rails I2C and SPI communication interface support Power-good outputs and interrupt signaling Thermal shutdown and overtemperature protection Overcurrent and short-circuit protection Undervoltage and overvoltage monitoring Configurable GPIO functionality Low-power standby and sleep mode support Optimized for automotive SoCs and processors High-efficiency switching regulator architecture Compact VQFN package with thermal enhancement Electrical Characteristics Input supply voltage range supports automotive battery-powered systems Multiple programmable buck converter output voltages Integrated LDO outputs for precision analog and digital domains High switching frequency operation for reduced external component size Wide operating junction temperature range suitable for automotive environments Low shutdown current for standby operation High-current capability for processor core supplies Accurate voltage regulation and monitoring Protection and Safety Features Thermal shutdown protection Buck converter cycle-by-cycle current limiting Short-circuit protection on power rails Undervoltage lockout protection Power sequencing fault management Watchdog monitoring for processor supervision Diagnostic interrupt and fault reporting capability Safe-state transition support during fault conditions Package Information Package type: VQFN Package option: RWE Automotive-grade Q1 qualified device RoHS compliant Surface-mount package optimized for thermal performance Typical Applications Automotive domain controllers ADAS processing modules Digital cockpit systems Automotive gateway and networking platforms Radar and vision systems Processor and FPGA power management Industrial high-performance embedded systems #commonpartslibrary #integratedcircuit #powermanagement

RF Demodulator IC 20MHz ~ 300MHz 32-VFQFN Exposed Pad The CMX973Q5 specification defines the engineering requirements for a radio frequency quadrature modulator integrated circuit designed for digital and analog wireless communication systems. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure accurate signal modulation, high RF performance, and long-term operational reliability. The device is intended for use in wireless communication equipment, telemetry systems, software-defined radio platforms, digital data transmission equipment, industrial RF systems, and embedded communication applications requiring high-performance I/Q modulation. It provides precise conversion of baseband in-phase and quadrature signals into modulated RF output while maintaining excellent signal integrity, low distortion, and stable operation over a wide range of operating conditions. Engineering Requirements The RF modulator shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure consistent electrical characteristics, reliable modulation accuracy, and dependable long-term performance. The device shall maintain stable operation under specified supply voltage, temperature, and environmental operating conditions. Electrical characteristics shall provide accurate in-phase and quadrature signal processing, low phase imbalance, high linearity, low noise, and excellent carrier suppression. The device shall maintain stable RF output characteristics and predictable modulation performance throughout continuous operation while minimizing harmonic distortion and unwanted spurious emissions. The integrated RF architecture shall support efficient signal conversion and reliable interface with external oscillators, filters, and communication circuitry. The device shall preserve signal integrity across the specified operating frequency range while supporting high-quality modulation for digital and analog communication protocols. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical integrity and long-term reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of electrical or mechanical performance. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, plating irregularities, or structural inconsistencies that could adversely affect RF performance or reliability. Inspection, validation, and testing shall be performed using calibrated RF measurement equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, RF performance specifications, modulation characteristics, application guidelines, qualification reports, inspection records, reliability data, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #RFModulator #QuadratureModulator #WirelessCommunication #RFIC #SignalModulation #EmbeddedSystems #Telecommunications #QualityAssurance #EngineeringDocumentation

LED Lighting Driver ICs LED Lighting Drivers 4-Channel RGBW Driver, I2C, 1.5x1.5mm TDFN The KTD2027BEWE-TR is a highly integrated, low-power RGB LED driver designed for portable and battery-powered applications. It features a compact WLCSP package and provides precise current control for up to three LED channels. The device includes an I²C-compatible interface, enabling flexible control of brightness, color mixing, and lighting effects. Integrated features such as programmable current sinks, dimming control, and built-in protection mechanisms make it suitable for indicators, backlighting, and decorative lighting in consumer electronics. Key Features Triple-channel constant current LED driver (RGB support) I²C-compatible digital interface Independent brightness control per channel Programmable current up to ~24 mA per channel Built-in PWM dimming and pattern generation Low quiescent current for power-sensitive applications Wide input voltage range Thermal shutdown and overcurrent protection Small WLCSP package (suitable for compact designs) Applications Mobile devices and wearables Status indicators and notification LEDs Backlighting and decorative lighting IoT and portable electronics Absolute Maximum Ratings Supply Voltage (VDD): −0.3 V to +6.0 V Logic Input Voltage: −0.3 V to VDD + 0.3 V Operating Temperature Range: −40°C to +85°C Storage Temperature Range: −55°C to +150°C Recommended Operating Conditions Supply Voltage (VDD): 1.8 V to 5.5 V LED Forward Voltage: Dependent on external LEDs Ambient Temperature: −40°C to +85°C Electrical Characteristics (Typical) Supply Current (Idle): < 1 µA (shutdown mode) Channel Current Accuracy: ±5% (typical) Maximum Output Current: ~24 mA per channel I²C Clock Frequency: Up to 400 kHz (Fast Mode) Functional Description The KTD2027BEWE-TR operates as a constant-current sink driver for RGB LEDs. Each channel can be independently programmed via the I²C interface to control brightness and enable dynamic lighting effects. Internal PWM generators allow smooth dimming without requiring continuous microcontroller intervention. The device also integrates protection features such as thermal shutdown and current limiting to ensure reliable operation. Pin Configuration (Typical WLCSP) VDD – Power supply GND – Ground SDA – I²C data line SCL – I²C clock line LED1 – Current sink output (Red) LED2 – Current sink output (Green) LED3 – Current sink output (Blue) Package Information Package Type: WLCSP (Wafer-Level Chip Scale Package) Mounting: Surface mount Tape & Reel: Yes (TR suffix) Ordering Information KTD2027BEWE-TR: Tape and reel packaging for automated assembly #commonpartslibrary #integratedcircuit #leddriver

RF Amplifier IC General Purpose 18GHz ~ 40GHz 24-SMT (4x4) The CMD299K4 is a highly efficient GaAs MMIC low noise amplifier housed in a leadless surface mount package. The amplifier is ideally suited for EW and communications systems where small size and low power consumption are needed. The device delivers greater than 16 dB of gain with a corresponding noise figure of 4 dB and output 1 dB compression point of +7 dBm at 30 GHz. The CMD299K4 is a 50 ohm matched design which eliminates the need for external DC blocks and RF port. Key Features • Low Noise Performance • Wide Bandwidth • All Positive Supply Voltages • Low Current Consumption • Pb-Free RoHs Compliant 4x4 mm SMT Package

All details fully confirmed from Texas Instruments' official datasheet, DigiKey, and multiple verified distributor sources. Here's the complete spec. Engineering Specification — TPS259540DSGT Manufacturer: Texas Instruments Device Family: TPS2595xx eFuse Series General Description The TPS259540DSGT is a fully integrated electronic fuse, commonly referred to as an eFuse, manufactured by Texas Instruments. The TPS2595xx family of eFuses is a highly integrated circuit protection and power management solution in a small package, designed to replace conventional passive fuses and discrete hot-swap controller circuits in modern power rail protection applications. Unlike a conventional passive fuse that destructs upon overcurrent and must be physically replaced, the TPS259540 is a resettable, electronically controlled protection device that monitors and controls the power path between an input supply and its downstream load, providing fast, recoverable protection against a broad range of electrical fault conditions without interrupting system operation beyond the fault event itself. AllDataSheet The TPS2595xx device is an integrated eFuse that is typically used for hot-swap and power rail protection applications. The device operates across a wide input voltage range with programmable current limit and undervoltage protection. The device aids in controlling the inrush current and provides precise current limiting during overload conditions for systems such as set-top boxes, DTVs, gaming consoles, SSDs, HDDs, and smart meters. The device also provides robust protection for multiple faults on the sub-system rail. Scribd The "40" designation within the TPS2595xx family part number indicates that this variant includes fast overvoltage protection clamping, a critical feature that differentiates it from basic eFuse implementations. Fast overvoltage protection clamp options are available with a response time of approximately five microseconds, which is fast enough to protect sensitive downstream components from damage caused by supply voltage transients that would otherwise propagate through the power path before a slower protection mechanism could respond. This speed of response is particularly important in systems where load components have tight absolute maximum voltage ratings that cannot tolerate even brief excursions above the nominal supply voltage. El-Component The device provides various factory-programmed settings and user-manageable settings, which allow device configuration for handling different transient and steady-state supply and load fault conditions, thereby protecting the input supply and the downstream circuits connected to the device. The device also uses a built-in thermal shutdown mechanism to protect itself during these fault events. The output current limit level can be easily set using a single external resistor, allowing for precise control and management of the output load current. Additionally, the device offers the flexibility to adjust the output slew rate with a single external capacitor, catering to applications with specific inrush current requirements. ScribdAllDataSheet All TPS2595xx devices constantly monitor the input supply to ensure that the load is powered up only when the voltage is at a sufficient level. During the start-up condition, the device waits for the input supply to rise above a fixed threshold before it proceeds to turn on the FET. Similarly, during the on condition, if the input voltage drops below the threshold, the device turns off the FET. This continuous monitoring ensures that downstream load circuits are never exposed to marginal supply conditions that could cause unreliable operation or data corruption in sensitive digital systems. Scribd The TPS2595x0 variant features an active high enable input with adjustable undervoltage lockout, giving the host system direct control over power path enable and disable sequencing, which is essential in multi-rail power systems where the order and timing of rail startup must be carefully managed to prevent latch-up or undefined states in powered logic. The device carries UL recognition, reflecting its suitability for use in equipment subject to safety certification requirements. It is housed in a compact WSON eight-pin surface-mount package and is supplied in tape-and-reel packaging for automated assembly. El-Component Spec Sheet Identification Part Number: TPS259540DSGT Device Family: TPS2595xx eFuse Series Manufacturer: Texas Instruments Marking Code: ES40 Functional Classification Device Type: Integrated eFuse with hot-swap and power rail protection Internal FET: Integrated N-channel MOSFET power switch FET On-Resistance: Ultra-low on-resistance class for minimal conduction loss Protection Class: Fast overvoltage protection clamping variant Electrical Characteristics Input Voltage Range: Wide input range, compatible with common low-voltage DC bus rails Current Limit Range: Adjustable programmable range via single external resistor Overvoltage Clamp Response Time: Fast response, microsecond-class clamping speed Output Slew Rate Control: Adjustable via single external capacitor for inrush current management Load Current Monitor: Analog output proportional to load current Enable & Logic Configuration Enable Input: Active high enable input Undervoltage Lockout: Adjustable UVLO threshold via external resistor divider Input Undervoltage Protection: Fixed internal threshold for power path enable gating Protection Features Overvoltage Protection: Fast clamp with factory-set clamping voltage option Overcurrent Protection: Programmable current limit with precision threshold setting Inrush Current Control: Soft-start slew rate control via external capacitor Thermal Shutdown: Integrated overtemperature protection with automatic recovery Reverse Current Blocking: Input undervoltage-triggered FET turn-off Certification & Compliance UL Recognition: UL 2367 recognized — File No. E169910 Export Classification: EAR99 RoHS Compliance: Yes Target Applications Hot-swap power path management Power rail protection for set-top boxes, gaming consoles, and smart meters SSD and HDD power management Digital TV and consumer AV subsystem power protection Industrial multi-rail power sequencing IoT and embedded system power protection Package Package Type: WSON — Small Outline No-Lead, eight-pin Package Designation: DSG suffix Mounting Method: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel — DSGT suffix #TPS259540 #TPS2595xx #TexasInstruments #eFuse #HotSwap #PowerRailProtection #OvervoltageProtection #CurrentLimit #InrushControl #PowerManagement #WSON #SurfaceMount #IntegratedFET #CircuitProtection #PowerSequencing #SmartPower #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant #ULRecognized

LED Driver IC 1 Output DC DC Controller SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 8-SO-EP # AL8866QSP-13 Engineering Specifications **General Description** The AL8866QSP-13 is an automotive-qualified, multi-topology DC-switching LED controller manufactured by Diodes Incorporated. It is designed to control an external power MOSFET for high-power automotive LED lighting systems. The device supports buck, boost, buck-boost and single-ended primary-inductance converter configurations. Its wide input-voltage range makes it suitable for automotive power systems and various high-voltage LED applications. The controller uses fixed-frequency peak current-mode regulation with spread-spectrum frequency modulation to reduce electromagnetic interference. It supports both analog and pulse-width-modulation dimming through the DIM input. An integrated programmable soft-start function gradually increases the inductor and switching currents during startup to reduce output-voltage and current stress. The open-drain fault output provides system-level fault reporting for abnormal operating conditions. **Engineering Specifications** **Manufacturer:** Diodes Incorporated **Manufacturer Part Number:** AL8866QSP-13 **Component Type:** Automotive LED driver controller **Converter Topologies:** Buck, boost, buck-boost and SEPIC **Control Architecture:** Fixed-frequency peak current-mode control **External Switching Device:** External power MOSFET **Minimum Input Voltage:** Four point seven volts **Maximum Input Voltage:** Eighty-five volts **Maximum Output Voltage:** Eighty-five volts **Switching Frequency:** Four hundred kilohertz **Frequency Modulation:** Spread-spectrum modulation for reduced electromagnetic interference **LED Current Control:** External current-sense resistor and external MOSFET configuration **Feedback Voltage:** Two hundred millivolts **Typical Quiescent Current:** One point eight milliamperes **Typical Efficiency:** Up to approximately ninety-three percent, depending on the application circuit and external components **Dimming Methods:** Analog dimming and pulse-width-modulation dimming **Analog Dimming Range:** One percent to one hundred percent **Analog Dimming Dynamic Range:** Greater than one hundred to one **Pulse-Width-Modulation Dimming Ratio:** One hundred to one at a two-hundred-hertz dimming frequency **Pulse-Width-Modulation Frequency Range:** Approximately one hundred hertz to one kilohertz **Full-Brightness Current Accuracy:** Approximately plus or minus three percent **Low-Level Dimming Current Accuracy:** Approximately plus or minus twelve percent at twenty-percent dimming **Soft-Start Function:** Externally programmable **Fault Output:** Active-low open-drain fault indicator **Protection Features:** Output overvoltage protection, LED open-circuit protection, output undervoltage protection, LED short-circuit protection, cycle-by-cycle overcurrent limitation, current-sense resistor short-circuit protection, inductor and diode short-circuit detection, diode open-circuit protection and thermal shutdown **Automotive Qualification:** AEC-Q100 Grade One qualified **Automotive Documentation:** PPAP capable **Manufacturing Standard:** Manufactured in IATF-certified automotive facilities **Operating Temperature Range:** Minus forty degrees Celsius to positive one hundred twenty-five degrees Celsius **Package Type:** Thermally enhanced SO-8 exposed-pad package **Pin Count:** Eight leads with exposed thermal ground pad **Mounting Style:** Surface mount **Packing Method:** Thirteen-inch tape and reel **Standard Packing Quantity:** Two thousand five hundred components per reel **Moisture Sensitivity:** Level One **Terminal Finish:** Matte-tin-plated leads **Environmental Compliance:** Lead-free, RoHS compliant, halogen-free and antimony-free **Typical Applications** Automotive high-beam and low-beam lighting Automotive daytime running lights Automotive fog lights Automotive turn-signal lights Automotive position lights Automotive brake and stop lights High-power exterior LED lighting Multi-topology automotive LED driver modules #AL8866QSP13 #AL8866Q #DiodesIncorporated #LEDDriver #AutomotiveLED #AutomotiveElectronics #BuckConverter #BoostConverter #BuckBoostConverter #SEPICConverter #PowerElectronics #LEDLighting #ElectronicComponents #EngineeringSpecifications

Charger IC Lithium Ion/Polymer 18-WQFN-HR (3x2.5) The BQ25620RYKR is a highly integrated standalone switch-mode battery charge management and system power-path management device designed for single-cell lithium-ion and lithium-polymer batteries. The device integrates a synchronous buck charger, power-path management, input current optimization, and system regulation functions into a compact package suitable for portable and battery-powered embedded systems. It supports USB and adapter power sources with high-efficiency charging operation and dynamic power management for optimized thermal and power performance. The device includes integrated MOSFETs, charge termination, safety timers, input overvoltage protection, thermal regulation, and battery temperature monitoring. It supports I²C communication for programmable charging parameters, system monitoring, and fault reporting. The integrated narrow-voltage DC architecture improves efficiency while reducing external component count and PCB area. Engineering Specification Manufacturer: Texas Instruments Device Type: Single-Cell Li-Ion/Li-Polymer Switching Battery Charger with Power-Path Management Battery Chemistry Support: Lithium-Ion and Lithium-Polymer Charging Topology: Synchronous Buck Converter Input Supply Support: USB Power and External Adapter Sources Input Voltage Operating Range: Wide Input Voltage Support with Input Overvoltage Protection Charge Current Capability: High Current Fast Charging Support System Power Path: Integrated Dynamic Power-Path Management Communication Interface: I²C Serial Interface Integrated MOSFETs: High-Side and Low-Side Power MOSFETs Included Charging Functions: Preconditioning Charge Fast Charge Charge Termination Recharge Function Safety Timer Control Protection Features: Input Overvoltage Protection Battery Overvoltage Protection Thermal Shutdown Thermal Regulation Charge Safety Timer Input Current Limiting Short-Circuit Protection Battery Monitoring Features: Battery Temperature Monitoring via NTC Charge Status Reporting Fault Status Reporting System Voltage Regulation Power Management Features: Narrow Voltage DC Regulation Dynamic Input Power Management Input Current Optimization Automatic Power Source Detection Package Type: WQFN Package Package Variant: RYK Mounting Type: Surface Mount Application Areas: Portable Electronics Embedded Battery-Powered Systems Handheld Devices USB-Powered Equipment Industrial Portable Devices IoT Systems Consumer Electronics #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

Charger IC Lithium Ion/Polymer 18-WQFN-HR (3x2.5) The BQ25622RYKR is a highly integrated standalone switch-mode battery charge management and system power-path management device designed for single-cell lithium-ion and lithium-polymer batteries. The device integrates a high-efficiency synchronous buck charger, system power-path control, input current management, and battery protection functions into a compact solution optimized for portable and embedded applications. The device supports USB and external adapter power sources while providing programmable charging parameters through an I²C interface. Integrated power MOSFETs and advanced power management features reduce external component count and improve overall system efficiency. The charger incorporates dynamic power management, thermal regulation, battery temperature monitoring, and multiple safety protections to ensure reliable operation under varying load and environmental conditions. The BQ25622 family is designed for compact battery-powered systems requiring efficient charging, intelligent power-path control, and low system power consumption. Engineering Specification Manufacturer: Texas Instruments Device Type: Single-Cell Li-Ion/Li-Polymer Switching Battery Charger with Integrated Power-Path Management Battery Chemistry Support: Lithium-Ion and Lithium-Polymer Charging Topology: Synchronous Buck Switching Charger Input Power Sources: USB Input and External DC Adapter Support Charge Current Capability: Programmable Fast Charge Current Support Communication Interface: I²C Serial Communication Interface Integrated Power Devices: Internal High-Side and Low-Side MOSFETs Charging Features: Precharge Mode Fast Charge Mode Charge Termination Automatic Recharge Programmable Charge Parameters Safety Timer Control Power Management Features: Dynamic Power-Path Management Input Current Optimization Narrow Voltage DC Regulation Input Voltage Regulation System Voltage Regulation Monitoring and Reporting Features: Charge Status Monitoring Fault Status Reporting Battery Temperature Monitoring through NTC Interface Input Source Detection Protection Features: Input Overvoltage Protection Battery Overvoltage Protection Thermal Shutdown Protection Thermal Regulation Input Current Limiting Short-Circuit Protection Safety Timer Protection Package Type: WQFN Package Package Variant: RYK Mounting Type: Surface Mount Typical Applications: Portable Consumer Electronics Embedded Battery-Powered Devices IoT Systems Handheld Industrial Equipment USB-Powered Systems Wearable Electronics Portable Medical Devices #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

# UCC28950TPWRQ1 Engineering Specifications **General Description** The UCC28950TPWRQ1 is an automotive-qualified phase-shifted full-bridge controller manufactured by Texas Instruments. It is specifically designed for high-efficiency isolated DC-to-DC power conversion systems requiring advanced control, high power density, and reliable operation in demanding automotive and industrial environments. The device implements phase-shifted pulse-width modulation control with programmable dead-time management to achieve zero-voltage switching across a wide load range. This soft-switching architecture significantly reduces switching losses, improves overall efficiency, minimizes electromagnetic interference, and enables higher switching-frequency operation. The controller integrates comprehensive protection and monitoring functions, including current limiting, overvoltage protection, soft-start control, and fault management. Its flexible architecture supports a wide variety of isolated power-supply topologies used in electric vehicles, onboard charging systems, telecommunications infrastructure, industrial power supplies, and high-performance DC-DC converters. Qualified to automotive reliability standards, the device is suitable for mission-critical applications requiring long-term operational stability and robust power-conversion performance. **Engineering Specifications** **Manufacturer:** Texas Instruments **Manufacturer Part Number:** UCC28950TPWRQ1 **Component Type:** Phase-shifted full-bridge PWM controller **Technology:** Advanced mixed-signal power-management integrated circuit **Control Method:** Phase-shifted pulse-width modulation **Converter Topology:** Full-bridge isolated DC-to-DC converter control **Switching Technique:** Zero-voltage switching support **Efficiency Enhancement:** Reduced switching losses through soft-switching operation **Dead-Time Control:** Programmable adaptive dead-time management **Gate Drive Outputs:** High-current complementary PWM outputs **Current Control:** Cycle-by-cycle current limiting capability **Soft-Start Function:** Programmable startup control **Synchronization Capability:** External synchronization support **Frequency Control:** Programmable switching frequency operation **Feedback Architecture:** Closed-loop voltage regulation support **Fault Management:** Integrated fault detection and shutdown capability **Protection Features:** Overcurrent protection, overvoltage protection, undervoltage lockout, fault shutdown, and soft-start protection **Automotive Qualification:** AEC-Q100 qualified **Reliability Grade:** Automotive-grade performance and reliability **Electromagnetic Compatibility:** Optimized for low-noise power-conversion applications **Power Supply Configuration:** Single-controller power-management operation **Temperature Stability:** Designed for extended automotive operating conditions **Control Flexibility:** Supports a wide range of isolated converter designs **System Integration:** Compatible with high-power MOSFET and IGBT switching stages **Operating Temperature Range:** Automotive temperature range **Package Type:** Thin Shrink Small Outline Package **Package Configuration:** Surface-mount package **Mounting Style:** Surface mount technology **Environmental Compliance:** RoHS compliant and lead-free **Quality Standard:** Automotive production and qualification standards **Typical Applications** Automotive DC-to-DC converters Electric vehicle power systems Battery management systems Onboard charging equipment Telecommunications power supplies Industrial power converters High-power isolated DC-DC modules Server and networking power systems Renewable energy conversion systems Automotive auxiliary power units Motor control power supplies Power-distribution architectures High-efficiency switching power supplies Advanced automotive electronics Mission-critical power-management systems #UCC28950TPWRQ1 #UCC28950 #TexasInstruments #PhaseShiftedFullBridge #PWMController #PowerManagement #DCDCConverter #AutomotiveElectronics #PowerSupplyDesign #ZeroVoltageSwitching #SoftSwitching #ElectricVehicle #IndustrialPower #PowerElectronics #ElectronicComponents #EngineeringSpecifications

Hall Effect Sensor Angle External Magnet, Not Included SMD (SMT) Tab

Synchronous Step-Down Converter with External Soft Start #ultralibrarian

Synchronous Step-Down Converter with External Soft Start #ultralibrarian

4A 19V 40µA IQ High Efficiency Step-Down Converter with PG and External SS #ultralibrarian

High-Efficiency 3A 16V 800kHz Synchronous Step-Down Converter with External Soft Start and Light Load Mode #ultralibrarian

Peak Current Mode Boost PWM Controller with Programmable Frequency external SS and Light Load #ultralibrarian

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41-AD1B-R3 is a high-precision digital humidity and temperature sensor developed by Sensirion. It integrates calibrated sensing elements, analog signal processing, and a digital communication interface within a compact surface-mount package optimized for space-constrained embedded applications. The device is designed for accurate environmental monitoring across industrial, consumer, HVAC, portable electronics, and IoT systems. The sensor utilizes Sensirion CMOSens® technology to provide stable long-term performance, fast response time, and excellent repeatability under varying environmental conditions. Factory calibration enables direct digital output without the need for external calibration circuitry. The integrated I²C interface simplifies system integration with microcontrollers and embedded processors. The SHT41-AD1B-R3 is engineered for low-power operation, making it suitable for battery-powered and energy-efficient designs. Its compact DFN package supports automated assembly processes and high-density PCB layouts. The device also incorporates advanced internal diagnostics and checksum protection to improve communication reliability and data integrity. Features High-accuracy relative humidity sensing High-accuracy temperature measurement Fully calibrated and linearized digital output I²C digital communication interface Low power consumption optimized for portable systems Fast response and measurement conversion time Excellent long-term stability and repeatability Integrated heater functionality for condensation mitigation Wide operating voltage range Compact surface-mount DFN package Factory-trimmed and tested performance High immunity to environmental stress and contamination Low drift over product lifetime Suitable for reflow soldering processes Electrical Characteristics Supply voltage supports low-voltage embedded systems Digital communication compatible with standard I²C hosts Low standby current consumption Optimized active measurement current Integrated CRC data protection for communication integrity Environmental Characteristics Wide operating temperature range Wide relative humidity operating range Designed for high reliability in industrial and consumer environments Resistant to moisture-induced performance degradation Supports long operational lifetime with stable calibration Package Information Compact DFN surface-mount package Moisture-sensitive device suitable for automated assembly RoHS compliant and halogen-free construction Tape-and-reel packaging configuration for production assembly Applications Environmental monitoring systems HVAC and climate control equipment Smart home and IoT devices Portable electronics Industrial automation systems Data loggers and instrumentation Weather monitoring equipment Indoor air quality monitoring Battery-powered sensor nodes Consumer electronic products #commonpartslibrary #sensor #temperature #humidity #environmentalsensor #i2c #embedded #industrial #iot #sensirion

Wide Input 3.3V - 30V 3A 12µA IQ Synchronous Step-Down Converter with External Soft Start and Power Good in Small 2x3mm QFN Package #ultralibrarian