BQ24251RGER - Texas Instruments

Manufacturer Part Number

BQ24251RGER

Manufacturer

Texas Instruments

Introduction

The BQ24251RGER is a highly integrated lithium-ion battery charger designed for a variety of applications, primarily aimed at portable electronic devices that require efficient and safe charging capabilities.

Product Features and Performance

Supports single-cell lithium-ion batteries.

Programmable constant charging current up to 2A.

Integrated fault protection for over-current, over-temperature, and over-voltage conditions.

Features an I2C interface for programming and control.

Capable of operating across a wide temperature range from -40°C to 85°C.

Product Advantages

High integration reduces system complexity and component count.

Programmable features allow customization for specific application needs.

Comprehensive built-in fault protection increases the safety of battery charging operations.

Supports high charging current, facilitating faster charge times.

Flexible I2C communication enhances system control and monitoring capabilities.

Key Technical Parameters

Battery Chemistry: Lithium Ion

Number of Cells: 1

Constant Charging Current: Programmable

Maximum Charge Current: 2A

Battery Pack Voltage: 4.2V

Supply Voltage (Max): 10.5V

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package / Case: 24-VFQFN Exposed Pad

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Over Voltage Protection

Compatibility

Primarily designed for single-cell lithium-ion battery applications.

Flexible for use in various portable electronic devices due to programmable features and support for a wide operating temperature range.

Application Areas

Portable Electronics

Mobile Phones

Tablets

Digital Cameras

Wireless Communications Devices

Product Lifecycle

Product Status: Not For New Designs

Indicates it may be nearing end-of-life with limited support for new applications but typically available for existing designs and support.

Several Key Reasons to Choose This Product

Advanced protection features ensure safe charging operations.

High integration level and programmability make it versatile for a wide range of applications.

The capability to support fast charging with up to 2A charge current.

Backed by Texas Instruments’ reputation for quality and support.

The availability of technical resources and documentation for design and troubleshooting.