BQ29440DRBT - Texas Instruments

Manufacturer Part Number

BQ29440DRBT

Manufacturer

Texas Instruments

Introduction

Integrated circuit for battery protection in lithium ion battery applications

Product Features and Performance

Protection against overvoltage conditions

Supports 2 to 4 cell lithium ion batteries

High-accuracy voltage detection

Designed for portable consumer electronic devices

Automatic cell balance function

Wide operational temperature range (-40°C to 110°C)

Product Advantages

Enhanced battery safety through overvoltage protection

Extended battery life with accurate monitoring

Suitable for a wide range of applications due to temperature resilience

Compact 8-SON (3x3) package ideal for space-constrained applications

Key Technical Parameters

Battery Chemistry: Lithium Ion

Number of Cells: 2 ~ 4

Fault Protection: Over Voltage

Operating Temperature: -40°C ~ 110°C

Package / Case: 8-VDFN Exposed Pad

Mounting Type: Surface Mount

Base Product Number: BQ29440

Quality and Safety Features

Precise overvoltage threshold to prevent battery damage

Robust build quality for long-term reliability

Comprehensive testing for quality assurance

Compatibility

Compatible with 2 to 4 cell lithium ion battery configurations

Designed to integrate into various portable electronic devices

Application Areas

Consumer electronics such as smartphones and tablets

Portable power tools

Electric bicycles and personal mobility devices

Uninterrupted power supplies (UPS)

Energy storage systems

Product Lifecycle

Active product status

Not currently nearing discontinuation

Replacement and upgrade options available

Several Key Reasons to Choose This Product

State-of-the-art overvoltage protection for battery safety

Texas Instruments’ reputation for quality and reliability

Broad operational temperature range for diverse environments

Easy to integrate into multiple device architectures

Ongoing product support and availability

Comprehensive protection enhances end-user device safety