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LTC4055EUF#TRPBF from LINEAR

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LTC4055EUF#TRPBF

Manufacturer: LINEAR

USB Power Controller and Li-Ion Linear Charger

Partnumber Manufacturer Quantity Availability
LTC4055EUF#TRPBF,LTC4055EUFTRPBF LINEAR 2024 In Stock

Description and Introduction

USB Power Controller and Li-Ion Linear Charger The LTC4055EUF#TRPBF is a lithium-ion battery charger manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.25V to 6.5V  
- **Charge Current:** Programmable up to 1A  
- **Battery Voltage:** 4.2V (adjustable)  
- **Charge Termination:** C/10 or timer-based  
- **Preconditioning:** For deeply discharged batteries  
- **Thermal Regulation:** Prevents overheating  
- **Package:** 16-Lead QFN (4mm × 4mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LTC4055EUF#TRPBF is a standalone linear charger designed for single-cell lithium-ion/polymer batteries. It features an integrated pass transistor, reverse-blocking diode, and thermal regulation to ensure safe charging.  

### **Features:**  
- **Standalone Operation:** No external microcontroller required  
- **Programmable Charge Current:** Up to 1A via external resistor  
- **Automatic Recharge:** Initiates charging if battery voltage drops  
- **Charge Status Outputs:** Indicates charging, termination, and fault conditions  
- **Reverse-Battery Protection:** Safeguards against incorrect battery insertion  
- **Low Battery Leakage Current:** <1µA when input power is removed  

This charger is suitable for portable devices such as smartphones, tablets, and other battery-powered applications.

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