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LTC1732EMS-4.2#PBF from LINEAR

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LTC1732EMS-4.2#PBF

Manufacturer: LINEAR

Lithium-Ion Linear Battery Charger Controller

Partnumber Manufacturer Quantity Availability
LTC1732EMS-4.2#PBF,LTC1732EMS42PBF LINEAR 252 In Stock

Description and Introduction

Lithium-Ion Linear Battery Charger Controller The LTC1732EMS-4.2#PBF 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 output (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 batteries  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead MSOP  

### **Descriptions:**  
- A standalone constant-current/constant-voltage linear charger for single-cell Li-ion batteries.  
- Features an integrated pass transistor, current sensing, and reverse-blocking diode.  
- Includes automatic recharge and charge status output.  
- No external MOSFET or blocking diode required.  

### **Features:**  
- **Complete Charger Solution:** Includes internal power MOSFET and reverse-blocking diode.  
- **Programmable Charge Current:** Up to 1.5A with a single resistor.  
- **Automatic Recharge:** Initiates charging if battery voltage drops.  
- **Thermal Regulation:** Reduces charge current if overheating occurs.  
- **Charge Status Outputs:** Indicates charging, charge completion, and fault conditions.  
- **Low Dropout Operation:** Maximizes efficiency.  
- **Battery Detection:** Ensures no charging without a battery present.  

This part is designed for portable devices requiring efficient and compact Li-ion battery charging.

Application Scenarios & Design Considerations

Lithium-Ion Linear Battery Charger Controller

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