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LTC4001EUF#PBF from LINEAR

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LTC4001EUF#PBF

Manufacturer: LINEAR

2A Synchronous Buck Li-Ion Charger

Partnumber Manufacturer Quantity Availability
LTC4001EUF#PBF,LTC4001EUFPBF LINEAR 37 In Stock

Description and Introduction

2A Synchronous Buck Li-Ion Charger The LTC4001EUF#PBF is a battery charger controller manufactured by **Linear Technology** (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Battery Voltage Range:** 1V to 36V (adjustable)  
- **Charge Current:** Up to 4A (programmable)  
- **Charging Topology:** Synchronous Buck  
- **Efficiency:** Up to 96%  
- **Charge Termination:** C/10 or Timer-Based  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 24-Lead QFN (4mm × 4mm)  

### **Descriptions:**  
- Designed for **single-cell or multi-cell Li-Ion/Polymer, LiFePO4, and Lead-Acid batteries**.  
- Supports **constant-current/constant-voltage (CC/CV) charging**.  
- Features **input current limiting** to prevent overloading the power source.  
- Includes **thermal regulation** to optimize charging under high-temperature conditions.  
- **Programmable** charge current, charge voltage, and termination current.  

### **Features:**  
- **Wide Input and Output Voltage Range**  
- **Automatic Recharge**  
- **Battery Detection and Bad Battery Detection**  
- **NTC Thermistor Input for Temperature Monitoring**  
- **Power Good Output Indicator**  
- **Programmable Timer for Safety Termination**  
- **Low Dropout Operation**  

This IC is commonly used in **portable devices, industrial equipment, and backup power systems**.  

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

Application Scenarios & Design Considerations

2A Synchronous Buck Li-Ion Charger

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