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