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LTC4000EUFD#PBF from LINEAR

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LTC4000EUFD#PBF

Manufacturer: LINEAR

High Voltage High Current Controller for Battery Charging and Power Management

Partnumber Manufacturer Quantity Availability
LTC4000EUFD#PBF,LTC4000EUFDPBF LINEAR 27 In Stock

Description and Introduction

High Voltage High Current Controller for Battery Charging and Power Management The **LTC4000EUFD#PBF** is a battery charger controller IC manufactured by **Linear Technology** (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4.5V to 35V  
- **Battery Voltage Range:** 1V to 35V  
- **Charge Current:** Adjustable up to 10A  
- **Topology:** Synchronous Buck or Boost  
- **Charge Termination:** Programmable via timer or C/10 current detection  
- **Efficiency:** Up to 96%  
- **Package:** 28-Lead QFN (4mm x 5mm)  
- **Operating Temperature Range:** -40°C to 125°C  

### **Descriptions:**  
The LTC4000 is a high-efficiency, standalone battery charger controller designed for **Li-Ion/Polymer, LiFePO4, NiMH, and Lead-Acid** batteries. It supports both **buck and boost configurations**, allowing it to charge batteries from input voltages that may be higher or lower than the battery voltage.  

### **Features:**  
- **Wide Input & Battery Voltage Range** (4.5V–35V input, 1V–35V battery)  
- **Programmable Charge Current & Voltage**  
- **Automatic Recharge & Top-Off**  
- **Thermal Regulation** to prevent overheating  
- **Input Current Limiting** for adapter protection  
- **Battery Detection & Bad Battery Detection**  
- **Status Indicators** (charging, done, fault)  
- **Low Quiescent Current** (85μA in shutdown)  

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

(Source: Linear Technology Datasheet)

Application Scenarios & Design Considerations

High Voltage High Current Controller for Battery Charging and Power Management

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