BQ2057SN - Benchmarq

Manufacturer Part Number

BQ2057SN

Manufacturer

Texas Instruments

Introduction

The BQ2057SN is a single-cell Li-ion/Li-polymer battery charger integrated circuit (IC) from Texas Instruments. It provides a complete charge management solution in a small, 8-pin SOIC package.

Product Features and Performance

Constant-current, constant-voltage charging

Programmable charge current up to a maximum of 2A

Programmable charge voltage up to 4.1V

Thermal regulation to optimize charging

Charge termination detection

Charge status indication

Undervoltage lockout protection

Overvoltage protection

Short-circuit protection

Product Advantages

Compact size in an 8-pin SOIC package

Fully integrated charge management solution

Programmable charge parameters for optimized charging

Protection features to ensure safe and reliable operation

Key Reasons to Choose This Product

Comprehensive charge management in a small footprint

Flexibility to customize charging parameters for different battery packs

Robust protection features for reliable and safe operation

Part of Texas Instruments' extensive power management portfolio

Quality and Safety Features

Thermal regulation to prevent overheating

Undervoltage, overvoltage, and short-circuit protection

Complies with industry safety standards

Compatibility

The BQ2057SN is compatible with single-cell Li-ion and Li-polymer battery packs.

Application Areas

Portable electronics

Power tools

Battery-powered devices

Product Lifecycle

The BQ2057SN is an obsolete product, meaning it is no longer in active production. Texas Instruments may have equivalent or alternative charger ICs available. Customers are advised to contact our website's sales team for more information on current product options.