BQ771809DPJT - Texas Instruments

Manufacturer Part Number

BQ771809DPJT

Manufacturer

Texas Instruments

Introduction

Integrated battery protection device for 2-5 series cell lithium-ion batteries.

Product Features and Performance

Over voltage fault protection for cell balancing and safety

Designed for lithium-ion batteries

Suitable for 2 to 5 series cells

Operational temperature range from -40°C to 110°C

Surface mount technology for efficient PCB design

Low quiescent current

Product Advantages

Enhanced battery life and safety

Minimized false triggering thanks to accurate voltage sensing

Robust thermal performance with exposed pad design

Supports high-temperature applications

Key Technical Parameters

Battery Chemistry: Lithium Ion

Number of Cells: 2 ~ 5

Fault Protection: Over Voltage

Operating Temperature: -40°C ~ 110°C

Mounting Type: Surface Mount

Package / Case: 8-WDFN Exposed Pad

Supplier Device Package: 8-WSON (3x4)

Quality and Safety Features

Precision over voltage protection to prevent battery damage

High-accuracy voltage detection

Thermal protection with wide operating temperature range

Compatibility

Optimized for use with multiple cell lithium-ion batteries

Mountable on various PCB layouts with WSON package

Application Areas

Portable electronics

Battery packs

Energy storage systems

Power tools

Electronic vehicles

Product Lifecycle

Active product status

Current technology not close to discontinuation

Replacements or upgrades may become available as new technologies emerge

Several Key Reasons to Choose This Product

Highly accurate voltage protection enhances safety

Texas Instruments' reliability and support

Flexible design suitable for a wide range of battery configurations

Suitable for high-temperature operating environments

Compact package suitable for space-constrained applications

Industry-standard footprint for ease of design and replacement