BQ25120YFPR - Texas Instruments

Manufacturer Part Number

BQ25120YFPR

Manufacturer

Texas Instruments

Introduction

The BQ25120YFPR is a highly integrated battery charger designed specifically for charging Lithium Ion or Lithium Polymer batteries in compact applications.

Product Features and Performance

Supports single Lithium Ion or Polymer cell charging

Programmable constant current charging

Integrated fault protection for over temperature, over voltage, and short circuits

Features I2C interface for controlled operations

Surface Mount package for streamlined PCB design

Product Advantages

Compact 25-XFBGA, DSBGA package ideal for space-constrained applications

Highly efficient power management for extended battery life

Integrated safety features to protect circuit and battery integrity

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Charge Current Max: 300mA

Battery Pack Voltage: 4.2V

Voltage Supply (Max): 5.5V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Over Temperature Protection

Over Voltage Protection

Short Circuit Protection

Compatibility

Compatible with single cell Lithium Ion or Polymer batteries

Fully operational through I2C interface for compatibility with various microcontrollers

Application Areas

Portable electronics

Wearable devices

Small scale battery-powered equipment

Product Lifecycle

Marked as Not For New Designs, indicating older generation technology

Potential replacement or upgrade models should be considered for new designs

Several Key Reasons to Choose This Product

Compact size suitable for small devices

Comprehensive protective features enhance device reliability

Programmable current charge allows for flexible battery management

Wide temperature operation range suitable for harsh environments

I2C interface provides precise control and monitoring of the charging process