BQ2057CDGK - Texas Instruments

Manufacturer Part Number

BQ2057CDGK

Manufacturer

Texas Instruments

Introduction

Integrated circuit for power management, specifically designed as a Lithium Ion/Polymer battery charger

Product Features and Performance

Supports Lithium Ion/Polymer battery chemistry

Programmable constant charging current

Single cell charge management

Wide supply voltage range up to 15V

Supports battery pack voltage at 4.2V

Operating temperature range from -20°C to 70°C

Product Advantages

Precision charging for single-cell applications

Programmability allows flexibility in charging currents

Wide operating temperature suitable for various environments

Compact 8-TSSOP, 8-MSOP surface mount package

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Current - Charging: Constant - Programmable

Programmable Features: Current

Voltage - Supply (Max): 15V

Battery Pack Voltage: 4.2V

Operating Temperature: -20°C ~ 70°C (TA)

Quality and Safety Features

Robust construction for reliable charging

Designed with safety in mind for battery-powered applications

(no specific built-in fault protection mentioned)

Compatibility

Designed for use with Lithium Ion/Polymer batteries in single-cell configurations

Application Areas

Portable electronic devices

Handheld instruments

Battery-powered systems

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation

Replacements or upgrades should be sought under the base product number BQ2057

Several Key Reasons to Choose This Product

Ideal for portable device applications requiring single lithium cells

Customizable charge management for optimal battery performance

High reliability ensured by Texas Instruments' manufacturing standards

Suitable for a wide range of temperatures, enhancing device versatility

Compact package eases integration into various designs