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LTC1731EMS8-4.2#TRPBF from LT

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LTC1731EMS8-4.2#TRPBF

Manufacturer: LT

Single Cell Lithium-Ion Linear Battery Charger Controllers

Partnumber Manufacturer Quantity Availability
LTC1731EMS8-4.2#TRPBF,LTC1731EMS842TRPBF LT 1110 In Stock

Description and Introduction

Single Cell Lithium-Ion Linear Battery Charger Controllers The LTC1731EMS8-4.2#TRPBF is a lithium-ion battery charger controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Battery Voltage:** Fixed 4.2V (for single-cell Li-ion)  
- **Charge Current:** Programmable up to 1.5A  
- **Charge Termination:** C/10 (10% of programmed current)  
- **Preconditioning Mode:** For deeply discharged cells  
- **Package:** 8-Lead MSOP  
- **Operating Temperature Range:** -40°C to 85°C  
- **Efficiency:** Up to 95%  
- **Status Indicators:** Charge status and AC adapter presence  

### **Features:**  
- **Constant-Current/Constant-Voltage Charging**  
- **No External MOSFET or Sense Resistor Required**  
- **Thermal Regulation for Optimal Charging**  
- **Automatic Recharge**  
- **Soft-Start Limits Inrush Current**  
- **Battery Detection Before Charging**  
- **Low Battery Leakage Current (<1µA)**  

This IC is designed for single-cell Li-ion battery charging applications with high efficiency and minimal external components.

Application Scenarios & Design Considerations

Single Cell Lithium-Ion Linear Battery Charger Controllers

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