BQ24171RGYR - Texas Instruments

Manufacturer Part Number

BQ24171RGYR

Manufacturer

Texas Instruments

Introduction

Power management integrated circuit optimized for battery charging applications

Product Features and Performance

High-efficiency battery charger

Supports Lithium Ion/Polymer chemistry

Programmable constant current charging

Built-in fault protection against over current, temperature, and voltage

Max charge current up to 4A

Charge voltage accuracy: ±0.5%

Thermal regulation for temperature protection

Status and fault condition indication

Product Advantages

Optimizes charging cycle for speed and safety

Reduces heat generation through efficient design

Extends battery life with precise charge control

Supports multiple Li-Ion/Polymer cells (1~3 cell batteries)

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1 ~ 3

Current - Charging: Constant - Programmable

Charge Current - Max: 4A

Battery Pack Voltage: 2.1V

Voltage - Supply (Max): 17V

Operating Temperature range: -40°C ~ 85°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Over Voltage Protection

Thermal Feedback

Compatibility

Designed for use with Lithium Ion/Polymer batteries

Application Areas

Portable Electronics

Power Banks

Battery-Powered Devices

Energy Storage Systems

Product Lifecycle

Active product

Ongoing support without reported discontinuation or upcoming replacement

Several Key Reasons to Choose This Product

High-efficiency charging capabilities for faster charge time

Programmable charging parameters to fit specific application needs

Robust safety features to protect against common battery charging faults

Wide operating temperature range suitable for various environments

High current support for applications requiring quick charging

Supports a broad range of battery voltage specifications

Easy integration with surface mount technology for PCBs

Longevity and support from leading semiconductor manufacturer Texas Instruments