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BQ2057CDGKRG4 from TI/BB,Texas Instruments

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BQ2057CDGKRG4

Manufacturer: TI/BB

Low Dropout Linear 1-cell Li-Ion Charge Controller with AutoCompTM, 4.2V 8-VSSOP -20 to 70

Partnumber Manufacturer Quantity Availability
BQ2057CDGKRG4 TI/BB 480 In Stock

Description and Introduction

Low Dropout Linear 1-cell Li-Ion Charge Controller with AutoCompTM, 4.2V 8-VSSOP -20 to 70 The part BQ2057CDGKRG4 is manufactured by Texas Instruments (TI) or Benchmarq (BB). It is a battery charge management IC designed for single-cell Li-Ion or Li-Polymer battery applications. Key specifications include:

- **Input Voltage Range**: 4.5V to 18V  
- **Charge Voltage**: 4.1V or 4.2V (adjustable)  
- **Charge Current**: Programmable up to 1A  
- **Package**: 8-pin MSOP (DGK)  
- **Features**:  
  - Pre-charge conditioning  
  - Fast charge with thermal regulation  
  - Charge termination based on minimum current  
  - Automatic recharge  
  - Battery temperature monitoring  
  - Charge status outputs  

This IC is commonly used in portable electronics for efficient battery charging.

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