BQ2057CDGKR - Texas Instruments

Manufacturer Part Number

BQ2057CDGKR

Manufacturer

Texas Instruments

Introduction

The BQ2057CDGKR is a sophisticated integrated circuit designed for battery charging purposes specifically for lithium-ion or lithium-polymer batteries, with a single-cell configuration.

Product Features and Performance

Integrated battery charger for single-cell lithium-ion or polymer batteries

Constant current charging with programmability

Tape & Reel packaging ideal for automated manufacturing

Supports a battery pack voltage of 4.2V, optimal for common Li-ion/Polymer cells

Can operate at a supply voltage up to 15V

Designed to work within a wide range of temperatures, from -20°C to 70°C

Surface mount technology for compact and efficient design

8-pin TSSOP or MSOP package for reduced footprint on circuit boards

Product Advantages

High integration facilitates a simpler design and cost efficiency

Programmability allows for flexibility and customization in charging applications

Texas Instruments' reputation for reliability and performance

Compatibility with common lithium-ion and lithium-polymer battery specifications

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Current Charging: Constant and Programmable

Battery Pack Voltage: 4.2V

Voltage Supply (Max): 15V

Operating Temperature Range: -20°C ~ 70°C

Quality and Safety Features

Advanced design ensures stable charging over various conditions

High-quality manufacturing standards of Texas Instruments

Compatibility

Optimized for single-cell Li-ion and Li-polymer battery-powered applications

Application Areas

Portable Electronics

Handheld Devices

Power Tools

Medical Devices

Consumer Electronics

Product Lifecycle

Active status, not indicated as nearing discontinuation

Texas Instruments typically provides notification of product obsolescence and replacement options

Several Key Reasons to Choose This Product

Reliable product from a leading manufacturer in power management solutions

Advanced charging functionality tailored for modern rechargeable batteries

Design flexibility due to programmable current feature

Strong performance over a wide temperature range, suitable for various environments

Ease of integration into existing and new designs with surface mount packaging