N-Channel 650V 93A (Tc) 339W (Tc) Through Hole TO-247N Silicon Carbide (SiC) N-Channel Power MOSFET for high-efficiency power switching applications, featuring a 650 V drain-to-source voltage, 77 A continuous drain current (Tc = 25°C), and 22 mΩ typical RDS(on). Housed in a TO-247N package, it is suitable for high-speed switching and high-voltage power conversion circuits. #SiC_MOSFET #N_Channel #650V #77A #22mOhm #TO247N #PowerSwitching #Rohm

Diode 40 V 5A Surface Mount DO-214AB (SMC) The SSC54-E3/57T is a surface-mount Schottky barrier rectifier diode manufactured by Vishay Intertechnology . It is designed for high-efficiency power rectification applications requiring low forward voltage drop and fast switching performance. This diode is commonly used in DC-DC converters, switching power supplies, polarity protection circuits, and freewheeling applications. The device comes in a compact DO-214AB (SMC) package suitable for automated PCB assembly. Key Features Schottky barrier rectifier technology Maximum repetitive reverse voltage: 40 V Average forward current: 5 A Very low forward voltage drop (~0.49 V max) High surge current capability up to 175 A Fast switching speed with low power loss Surface-mount DO-214AB (SMC) package Operating junction temperature up to 150°C Matte tin-plated terminals, RoHS compliant Suitable for high-frequency power conversion applications #CommonPartsLibrary #Diode

4.5V–60V, 3.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation.

16VOUT 9.5A High-Efficiency Fully Integrated Synchronous Boost Converter #ultralibrarian

Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-VQFN (3.5x5.5) The LM5148RGYR specification defines the engineering requirements for a synchronous buck controller integrated circuit designed for high-efficiency DC-DC power conversion applications. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure reliable voltage regulation, efficient power management, and long-term operational stability in industrial, automotive, telecommunications, and embedded electronic systems. The device is intended for use in high-performance power supply designs requiring wide input voltage capability, precise output voltage regulation, and high-current conversion efficiency. It controls external power MOSFETs to implement synchronous buck converter topologies suitable for distributed power architectures, industrial automation equipment, networking infrastructure, battery-powered systems, and embedded control applications. Engineering Requirements The controller shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure stable switching performance, low power consumption, and reliable long-term operation. The device shall maintain consistent functionality under specified operating voltage, temperature, and environmental conditions. Electrical characteristics shall provide accurate pulse-width modulation control, stable output voltage regulation, fast transient response, and reliable gate drive capability for external synchronous power MOSFETs. The controller shall maintain predictable switching performance during startup, shutdown, overload, and dynamic load conditions while supporting efficient power conversion. The integrated control architecture shall provide robust regulation, protection features, and compensation capability to ensure stable converter operation across varying input voltages and output load conditions. The device shall maintain operational integrity during power sequencing and fault recovery without compromising system reliability. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical performance and 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 functionality. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect electrical or mechanical performance. Inspection, validation, and testing shall be performed using calibrated 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, electrical performance specifications, application guidelines, thermal characterization reports, qualification records, inspection reports, material declarations, reliability data, 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 #BuckController #DCDCConverter #PowerManagement #SynchronousBuck #PowerElectronics #EmbeddedSystems #IndustrialElectronics #QualityAssurance #EngineeringDocumentation

Charger IC Multi-Chemistry 36-VQFN (5x6) The BQ25750RRVR is a highly integrated switch-mode battery charge controller and power-path management device designed for single-cell to multi-cell lithium-ion and lithium-polymer battery-powered systems. The device supports bidirectional power conversion, enabling both battery charging and system power delivery through USB Type-C and other DC power sources. It integrates high-efficiency buck-boost charging architecture to maintain optimal charging performance across a wide input voltage range. The device is intended for portable electronics, industrial handheld equipment, USB Power Delivery applications, embedded systems, and battery-powered computing platforms requiring advanced power management and flexible charging capability. Integrated power-path management allows simultaneous system operation and battery charging while maintaining battery protection and system stability. The BQ25750RRVR supports programmable charging parameters through an I2C interface, including charge voltage, charge current, input current limit, and system power regulation. The device includes comprehensive protection functions such as overvoltage protection, overcurrent protection, thermal regulation, battery temperature monitoring, and fault reporting. High switching frequency operation enables reduced external component size and compact PCB implementation. Features Integrated synchronous buck-boost battery charger Supports USB Power Delivery and wide DC input sources Bidirectional power conversion capability I2C programmable charging and system parameters Integrated power-path management High-efficiency charging operation Supports multi-cell lithium-ion and lithium-polymer batteries Programmable input current and charge current limits Dynamic power management and system voltage regulation Integrated ADC monitoring for voltage, current, and temperature Battery supplement mode during adapter removal OTG boost mode support Thermal regulation and thermal shutdown protection Input overvoltage and overcurrent protection Battery overvoltage protection Safety timer and watchdog timer support NTC thermistor interface for battery temperature monitoring Interrupt and fault status reporting Compact WQFN package suitable for space-constrained designs Electrical Characteristics Wide input operating voltage range Programmable battery charge voltage High charge current capability Integrated low RDS(on) MOSFET drivers High switching frequency operation High conversion efficiency across operating range Low standby and shutdown current consumption Accurate input and charge current regulation Integrated analog-to-digital converter telemetry Interface and Control I2C serial communication interface Programmable charging profiles Configurable protection thresholds Status and interrupt reporting ADC telemetry reporting Enable and control pins for system integration Protection Features Input overvoltage protection Input overcurrent protection Battery overvoltage protection Thermal shutdown protection Thermal regulation control Short-circuit protection Watchdog timer protection Safety charging timer Battery temperature qualification support Package Information Package Type: WQFN Package Suffix: RRV Compact thermally enhanced package Surface-mount device Suitable for automated PCB assembly processes Applications USB Type-C charging systems Portable computers and tablets Industrial handheld devices Power banks and battery packs Embedded battery-powered systems Portable instrumentation Consumer electronics Smart battery charging platforms #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

Buck-Boost Regulator Positive Output Step-Up/Step-Down I2C DC-DC Controller IC 40-VQFN (6x6) The LM51772RHAR is a high-performance multi-phase bidirectional buck-boost controller designed for power conversion systems requiring efficient energy transfer between two voltage domains. The device supports seamless operation in both step-up and step-down modes and is optimized for battery-powered, automotive, industrial, and energy storage applications. The controller enables bidirectional current flow, making it suitable for battery charging, backup power systems, supercapacitor management, and high-power USB Type-C power delivery applications. The device integrates advanced control architecture for high efficiency across a wide operating range while supporting programmable current regulation, voltage regulation, and protection features. Multi-phase capability allows reduced input and output ripple currents, improved thermal distribution, and higher overall power capability. The controller supports external MOSFETs for scalable power design flexibility and includes comprehensive monitoring and fault management functions. The LM51772RHAR is designed for operation in demanding environments with robust protection features including overvoltage protection, undervoltage lockout, cycle-by-cycle current limiting, thermal shutdown, and fault reporting. Its flexible configuration and high integration level reduce external component count and simplify implementation in high-density power systems. Key Features Bidirectional synchronous buck-boost controller architecture Supports power transfer in both forward and reverse directions Multi-phase operation for increased power capability and reduced ripple Wide input and output voltage operating range High-efficiency synchronous control using external MOSFETs Programmable current and voltage regulation Peak and average current control capability Seamless transition between buck, boost, and buck-boost operating modes Integrated current sensing support Programmable switching frequency synchronization Phase interleaving support for thermal and ripple optimization External clock synchronization capability Soft-start and controlled startup sequencing Comprehensive fault detection and protection functions Overcurrent protection and short-circuit protection Overvoltage and undervoltage protection Thermal shutdown protection Fault status reporting and system monitoring support Designed for automotive and industrial power applications Compact thermally enhanced package Typical Applications Bidirectional battery charging systems Energy storage systems Automotive dual-battery architectures USB Type-C Power Delivery systems Backup power and UPS systems Supercapacitor charging and balancing Industrial DC power conversion Renewable energy power management High-power portable electronics Telecom and server power systems Electrical Characteristics Wide operating supply voltage range High switching frequency operation capability High-current multi-phase scalability Precision current regulation accuracy Low standby power consumption High-efficiency synchronous rectification support Programmable dead-time and switching parameters Stable operation across wide temperature range Package Information Package Type: VQFN Package Suffix: RHA Thermally enhanced exposed pad package Surface-mount implementation Suitable for automated assembly processes #commonpartslibrary #integratedcircuit #powermanagement #buckboost #dcdcswitchingcontrollers

Diode 40 V 10A Through Hole TO-220AC The SB1040_T0_00001 is a high-efficiency Schottky Barrier Rectifier diode manufactured by Panjit International Inc. . It is designed for fast switching and low power loss applications such as switching power supplies, DC-DC converters, freewheeling circuits, and reverse polarity protection. Its Schottky technology provides a low forward voltage drop, helping improve overall system efficiency and reduce heat generation. Key Features Schottky barrier rectifier technology Low forward voltage drop: typically 0.55V @ 10A High average forward current capability: 10A Reverse voltage rating: 40V Fast switching / fast recovery performance Low power loss and improved efficiency Wide operating junction temperature range: -55°C to +150°C Through-hole TO-220AC / TO-220-2 package Suitable for high-frequency power applications RoHS compliant #CommonPartsLibrary #Diode #Schottky

GANFET N-CH 200V 8.5A DIE The EPC2019 is an enhancement-mode N-channel Gallium Nitride (eGaN®) power transistor designed for high-speed and high-efficiency power conversion applications. With a 200 V drain-to-source voltage rating, 42 mΩ maximum RDS(on), and 8.5 A continuous drain current, it offers significantly lower switching losses than conventional silicon MOSFETs. Its ultra-low gate charge, zero reverse recovery charge (QRR), and fast switching characteristics make it ideal for high-frequency switching circuits. The device is supplied in a bare die (passivated die with solder bars) package for optimized thermal and electrical performance in compact, high-density designs. Key Features Enhancement-mode N-channel eGaN® FET 200 V drain-to-source voltage (VDS) 42 mΩ maximum RDS(on) @ VGS = 5 V 8.5 A continuous drain current Ultra-low gate charge (Qg ≈ 2.9 nC) Zero reverse recovery charge (QRR) for reduced switching losses Supports high-frequency switching operation Gate drive compatible with 0 V OFF / 5 V ON (no negative gate voltage required) Bare die package for compact, high-performance power designs Operating junction temperature: −40°C to +150°C #EPC2019 #eGaN #GaNFET #PowerTransistor #NChannelFET #HighEfficiency #HighSpeedSwitching #PowerElectronics #DCDCConverter #ClassDAudio #EfficientPowerConversion

Infrared (IR) Emitter 840nm~870nm 1.4V~1.8V 700mA 60° Surface Mount,3.9x3.9mm The SE03-EMC3838A-B60 is a high-power surface-mount infrared (IR) LED emitter designed for applications requiring efficient 850 nm infrared illumination. It uses a compact black EMC package for improved thermal performance and reliability, making it suitable for SMT assembly and high-current operation. This component is commonly used in surveillance camera IR illumination, infrared sensing, and IR data transmission systems. Key Features 850 nm peak infrared wavelength (840–870 nm range) High-efficiency IR emission Surface-mount 2-SMD no-lead package Wide 60° viewing angle Typical forward voltage: 1.6 V Supports up to 700 mA forward current Black EMC package for enhanced heat dissipation Operating temperature range: -30°C to +85°C Suitable for automated SMT reflow assembly Compact approximately 3.9 mm × 3.9 mm footprint #commonpartslibrary #led #Infrared

Charger IC Lithium Ion/Polymer 16-WQFN (3x3) The BQ25302RTER is a highly integrated single-cell lithium-ion and lithium-polymer battery charger and power-path management IC developed by Texas Instruments. The device is optimized for compact portable and wearable applications requiring efficient battery charging from USB or low-voltage DC power sources. It integrates a switching charger, power-path management, system voltage regulation, battery FET, and protection features into a compact package suitable for space-constrained designs. The device supports programmable charging current and voltage regulation while maintaining high power conversion efficiency through its switching charger architecture. Integrated power-path management allows the system load to operate simultaneously while charging the battery, improving system reliability and startup behavior when the battery is deeply discharged or absent. The BQ25302RTER includes input current limiting, thermal regulation, battery temperature monitoring support, and multiple safety timers to ensure safe charging operation. The charger automatically manages preconditioning, fast charging, charge termination, and recharge cycles for lithium-based battery chemistries. The device also supports USB-compliant input operation and includes configurable features through an I2C-compatible interface. Its compact WQFN package and high integration level reduce external component count and PCB area, making it suitable for wearable electronics, portable medical devices, IoT products, handheld instruments, wireless accessories, and battery-powered embedded systems. Electrical Characteristics Input operating voltage supports standard USB and low-voltage DC input sources suitable for portable electronics applications. Supports single-cell lithium-ion and lithium-polymer battery charging with programmable charge voltage regulation. Integrated high-efficiency switching charger architecture minimizes power dissipation and improves thermal performance compared to linear chargers. Programmable fast-charge current supports flexible battery capacity scaling and application-specific charging requirements. Integrated power-path management allows simultaneous battery charging and system power delivery. Includes programmable input current limiting to support USB current compliance and adapter protection. Automatic charge cycle management includes precharge, fast charge, termination, and recharge operation. Supports battery temperature qualification using external thermistor monitoring. Integrated thermal regulation dynamically reduces charge current during high-temperature operating conditions. Low quiescent current operation improves standby battery life in portable products. Protection Features Integrated overvoltage protection for input power safety. Battery overcurrent and short-circuit protection enhance system reliability. Thermal shutdown circuitry protects the device during excessive junction temperature conditions. Safety timers monitor charging duration and prevent abnormal charging operation. Input current limiting protects USB ports and weak power adapters from overload conditions. Undervoltage lockout prevents improper operation during insufficient input supply conditions. Interface and Control I2C-compatible serial interface enables configuration and monitoring of charger parameters. Status reporting supports system-level battery and charging management. Programmable charging parameters allow firmware-controlled optimization for different battery chemistries and capacities. Interrupt and status functions support embedded power management architectures. Package Information Supplied in a compact WQFN package optimized for portable and space-constrained PCB layouts. Package design supports efficient thermal dissipation and automated surface-mount assembly processes. RoHS-compliant and suitable for modern lead-free manufacturing requirements. Typical Applications Wearable electronics Wireless earbuds and audio accessories Portable medical devices IoT and embedded battery-powered systems Handheld consumer electronics Portable instrumentation Rechargeable sensor modules Compact USB-powered battery charging systems #CommonPartsLibrary #IntegratedCircuit #PowerManagement #battery charger

5.5V/0.5A High-Efficiency Integrated Buck-Boost Converter with 3.3V Fixed Output in 1.4x1.8mm CSP Package #ultralibrarian

High-Efficiency 28V 3A 450kHz Synchronous Step-Down Converter In SOT583 Package #ultralibrarian

Schottky Barrier Rectifier Diode – 3 A Schottky rectifier diode optimized for switch-mode power supplies (SMPS), DC-DC converters, reverse polarity protection, freewheeling, OR-ing circuits, and general power management applications. Features a 60 V repetitive peak reverse voltage (VRRM), 3 A average forward current (IF(AV)), and 750 mV maximum forward voltage drop at 3 A for high-efficiency, low-loss operation. Offers fast switching performance, 500 µA maximum reverse leakage current at 60 V, 100 A non-repetitive surge current (IFSM), and an integrated Schottky barrier structure for improved efficiency and reduced power dissipation. Rated for operation over a −55°C to +150°C junction temperature range and housed in a DO-214AB (SMC) surface-mount package. #Vishay #SS36E39AT #SS36 #SchottkyDiode #Rectifier #PowerDiode #SMPS #DCDCConverter #ReversePolarityProtection #PowerManagement #SMC #EmbeddedSystems

Fully Integrated 802.3af/at/bt-Compliant PoE PD Interface with High-Efficiency Flyback/Forward Controller #ultralibrarian

16VOUT 9.5A High-Efficiency Fully Integrated Synchronous Boost Converter #ultralibrarian

Red 617nm LED Indication - Discrete 1.9V Radial Light-emitting diode (LED) designed for visual indication and general illumination applications, featuring a high-efficiency red (GaAsP/GaP) emitter in a 5 mm (T-1 3/4) red diffused through-hole package. It operates at a typical forward current of 10 mA, provides 25 to 50 mcd luminous intensity, a 30° viewing angle, and a typical 625 nm dominant wavelength. #Kingbright #LED #HighEfficiencyRed #ThroughHole #THT #5mmLED #StatusIndicator #GaAsPGaP #30DegreeViewingAngle #625nm #ElectronicComponents

16VOUT 9.5A High-Efficiency Fully Integrated Synchronous Boost Converter #ultralibrarian

Automotive N-Channel Power MOSFET – 30 V N-channel TrenchFET® Gen IV power MOSFET optimized for automotive power distribution, battery management systems (BMS), motor drives, DC-DC converters, load switching, and high-current embedded power applications. Features a 30 V drain-to-source voltage (VDS), 437 A continuous drain current (TC = 25°C), and ultra-low RDS(on) of 1.16 mΩ maximum at VGS = 10 V (1.66 mΩ maximum at VGS = 4.5 V) for exceptionally low conduction losses. Offers ±20 V gate-to-source voltage, 595 A pulsed drain current, 500 W maximum power dissipation, low gate charge, optimized Qgd/Qgs ratio for fast switching, and an integrated body diode for high-efficiency switching applications. Qualified to AEC-Q101, 100% Rg and UIS tested, and specified for operation over a −55°C to +175°C junction temperature range. Housed in a PowerPAK® SO-8L surface-mount package. #Vishay #SQJ128ELPT1GE3 #SQJ128ELP #NChannelMOSFET #TrenchFET #PowerMOSFET #DCDCConverter #BatteryManagement #MotorDrive #AutomotiveElectronics #PowerPAKSO8L #EmbeddedSystems

60V 2.5A Fully Integrated High-Efficiency Synchronous Buck Converter #ultralibrarian