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LTC4002EDD-4.2#TRPBF from LINEAR

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LTC4002EDD-4.2#TRPBF

Manufacturer: LINEAR

Standalone Li-Ion Switch Mode Battery Charger

Partnumber Manufacturer Quantity Availability
LTC4002EDD-4.2#TRPBF,LTC4002EDD42TRPBF LINEAR 896 In Stock

Description and Introduction

Standalone Li-Ion Switch Mode Battery Charger The LTC4002EDD-4.2#TRPBF is a battery charger controller IC manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 32V  
- **Output Voltage:** 4.2V (programmable for Li-Ion/Polymer batteries)  
- **Charge Current:** Adjustable up to 4A  
- **Package:** 10-Lead DFN (3mm × 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charge Termination:** C/10 or timer-based  
- **Precharge Qualification:** Detects deeply discharged cells  
- **Battery Detection:** Automatic  
- **Status Indicators:** Charge status and fault indication  

### **Descriptions:**  
The LTC4002EDD-4.2#TRPBF is a high-efficiency switching battery charger controller designed for single-cell Li-Ion/Polymer batteries. It integrates a synchronous PWM controller, power MOSFET drivers, and charge termination logic. The device supports constant-current/constant-voltage (CC/CV) charging with programmable current and voltage settings.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 32V input.  
- **High Efficiency:** Synchronous rectification minimizes power loss.  
- **Programmable Charge Current:** Adjustable via an external resistor.  
- **Automatic Recharge:** Initiates charging if battery voltage drops.  
- **Thermal Regulation:** Reduces charge current if overheating occurs.  
- **Battery Protection:** Includes reverse discharge protection.  
- **Small Footprint:** Compact DFN package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Standalone Li-Ion Switch Mode Battery Charger

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