BQ25871YFFT - Texas Instruments

Manufacturer Part Number

BQ25871YFFT

Manufacturer

Texas Instruments

Introduction

High-efficiency, 7A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer batteries.

Product Features and Performance

High efficiency switch-mode battery charging

System power path management

I2C control interface

Integration of input voltage regulation, system power path management and charging functions

Thermal regulation

Charge voltage accuracy ± 0.5%

Safety timer with reset control

Product Advantages

Single-part solution reducing system complexity

High charge current capability up to 7A

Battery swelling and cycle life optimized by NVDC power path management

Power management ensures system operation even with a dead or missing battery

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Current Charging: Constant

Charge Current Max: 7A

Voltage Supply (Max): 6V

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Over Current, Over Temperature, Over Voltage, Reverse Current protection

JEITA temperature monitoring

Proven AEC-Q100 qualification for automotive applications

Compatibility

Compatible with a single cell Li-Ion and Li-polymer battery packs

I2C interface supports a range of microcontrollers for smart charging algorithms

Application Areas

Smartphones

Tablets

Power banks

Electronic wearables

Portable medical devices

Unmanned Aerial Vehicles (UAVs)

Portable industrial and consumer electronics

Product Lifecycle

Currently active product status

Not indicated as nearing discontinuation

Future product enhancements and replacements likely available given the active status

Several Key Reasons to Choose This Product

Highly integrated solution from a reputable manufacturer ensures reliability

Support for a wide range of applications due to its versatile power management features

Flexible I2C interface allows for easy integration into existing designs

Texas Instruments' support and documentation facilitates development and product deployment

The high charging current enables fast battery charging, an essential feature for modern electronic devices.