BQ25121AYFPR - Texas Instruments

Manufacturer Part Number

BQ25121AYFPR

Manufacturer

Texas Instruments

Introduction

The BQ25121AYFPR is a compact, highly integrated battery charge management solution designed for space-limited, portable applications with a requirement for multiple chemistry battery types.

Product Features and Performance

Supports Multi-Chemistry batteries

Integrated with programmable features including current, timer, and voltage

Provides constant current charging

Includes fault protection against over current, over voltage, and short circuit

I2C interface for programming and control

Product Advantages

High integration reduces component count and simplifies design

Programmable features provide flexibility for different applications and battery chemistries

Robust fault protection enhances device safety and longevity

Key Technical Parameters

Charge Current Max: 300mA

Battery Pack Voltage: 4.65V

Voltage Supply (Max): 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in over current, over voltage, and short circuit protection

Operates over a wide temperature range ensuring reliability under various environmental conditions

Compatibility

Compatible with various battery chemistries

I2C interface supports integration with a wide range of microcontrollers and processors

Application Areas

Portable electronics

Wearables

Wireless headsets

Smart devices

Product Lifecycle

Product status: Active

Not nearing discontinuation and replacements or upgrades currently available

Several Key Reasons to Choose This Product

Highly integrated and space-efficient solution ideal for compact devices

Flexible programmability accommodating different use cases and battery requirements

Comprehensive fault protection ensuring safety and product durability

Compatible with multiple device architectures due to standard I2C interface