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

Buck, Boost, Buck-Boost Switching Regulator IC Positive or Negative Adjustable 1.23V 1 Output 3A TO-263-6, D²Pak (5 Leads + Tab), TO-263BA #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Boost, Buck-Boost Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC #commonpartslibrary #integratedcircuit #powermanagement #buckboost #dcdcswitching #controller

Buck, Buck-Boost Regulator Positive Output Step-Down, Step-Up/Step-Down - DC-DC Controller IC 20-HTSSOP #RegulatorSwitching #commonpartslibrary

Buck-Boost Switching Regulator IC Positive Programmable 2.5V 1 Output 200mA 16-MSOP-EP #CommonPartsLibrary #IntegratedCircuits #BatteryChargers #LTC3129

Buck-Boost Switching Regulator IC Positive Adjustable 0.8V 1 Output 4A 21-PowerVFQFN #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator #TPS552872

18V, 5A Synchronous Buck-Boost DC/DC Converter 28-QFN #CommonPartsLibrary #IntegratedCircuits #BatteryChargers #LTC3119

Converter Offline Buck, Buck-Boost, Flyback Topology 66kHz SO-8C #Commonpartslibrary #Integratedcircuit #powermanagement #ACDC #converter

Buck-Boost Switching Regulator IC Positive Adjustable (Fixed) 1.5V (3.3V) 1 Output 1A, 2.2A 10-VFDFN Exposed Pad #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-Regulator #SWitching-Regulator #MP2155

Buck-Boost Switching Regulator IC Positive Adjustable 2.5V 1 Output 500mA 12-VFQFN #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 38-TSSOP-EP #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Switching-controller #DCDC #LT8705

Buck, Buck-Boost Regulator Positive Output Step-Down, Step-Up/Step-Down DC-DC Controller IC 20-HTSSOP #commonpartslibrary #integratedcircuit #powermanagement #dcdc

Converter Offline Buck, Buck-Boost, Flyback Topology 66kHz SO-8C #CommonPartsLibrary #IntegratedCircuit #PowerManagement #ACDC-Converter #Offline-Switch #LNK306

Battery Management IC 2-cell to 5-cell NVDC dual-phase buck-boost battery charge controller with system power monitor #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-charger

25V, 600mA Buck-Boost DC/DC Converter with 1.6µA Quiescent Current 16-MSOP #CommonPartsLibrary #IntegratedCircuits #BatteryChargers #LTC3130

Buck-Boost Switching Regulator IC Positive Adjustable 2.5V 1 Output 600mA 10-WFDFN Exposed Pad #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

I2C 1-4 cell NVDC Buck-Boost battery charge controller with system power monitor & processor #CommonPartLibrary #IntegratedCircuits #PowerManagement #BatteryManagement #BQ25703

Buck-Boost Switching Regulator IC Positive Fixed 3.3V 1 Output 1.2A 12-WFDFN Exposed Pad #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-Regulator #Switching-regulator #ISL9110

Buck-Boost Switching Regulator IC Positive Adjustable 2.5V 1 Output 3A 16-WFQFN Exposed Pad #commonpartslibrary #Integrated Circuits #Power Management #VoltageRegulators

Buck-Boost Switching Regulator IC Positive Adjustable 1.8V 1 Output 500mA 8-VFDFN Exposed Pad #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Buck, Buck-Boost Regulator Positive Output Step-Down, Step-Up/Step-Down DC-DC Controller IC 20-HTSSOP #RegulatorSwitching #commonpartslibrary #IntegratedCircuit #PowerManagement #LM5118

Buck-Boost Switching Regulator IC Positive Fixed 12V 1 Output - 8-SOIC (0.154", 3.90mm Width) #RegulatorSwitching #commonpartslibrary

Buck, Boost, Buck-Boost Switching Regulator IC Positive or Negative - - 1 Output 750mA (Switch) 8-SOIC (0.154", 3.90mm Width) #RegulatorSwitching #commonpartslibrary