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BQ2057WSN from BQ

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BQ2057WSN

Manufacturer: BQ

Li-Ion Low-Dropout Linear (8.4V) Charge Management IC For Two-Cell Applications With AutoCompTM

Partnumber Manufacturer Quantity Availability
BQ2057WSN BQ 110 In Stock

Description and Introduction

Li-Ion Low-Dropout Linear (8.4V) Charge Management IC For Two-Cell Applications With AutoCompTM The part **BQ2057WSN** is a battery charge management IC manufactured by **Texas Instruments (TI)** under the **BQ** series.  

### **Key Specifications:**  
- **Function:** Standalone Li-Ion/Li-Polymer charge management IC.  
- **Charge Voltage:** Adjustable or fixed (typically 4.1V or 4.2V).  
- **Charge Current:** Programmable via external resistor.  
- **Input Voltage Range:** Typically 4.5V to 18V (supports USB and adapter inputs).  
- **Package:** 8-pin SOIC (WSON).  
- **Features:**  
  - Pre-charge conditioning.  
  - Charge termination based on current and voltage thresholds.  
  - Thermal regulation for overheating protection.  
  - Status indication outputs.  

For exact values, refer to the official **BQ2057WSN datasheet** from Texas Instruments.

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