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LTC4055EUF#PBF from LINEAR

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LTC4055EUF#PBF

Manufacturer: LINEAR

USB Power Controller and Li-Ion Linear Charger

Partnumber Manufacturer Quantity Availability
LTC4055EUF#PBF,LTC4055EUFPBF LINEAR 185 In Stock

Description and Introduction

USB Power Controller and Li-Ion Linear Charger The LTC4055EUF#PBF 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 ±1% (for single-cell Li-ion)  
- **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#PBF is a standalone linear charger designed for single-cell lithium-ion/polymer batteries. It features a constant-current/constant-voltage charging algorithm with automatic recharge and thermal regulation.  

### **Features:**  
- **Standalone Operation:** No external microcontroller required  
- **Programmable Charge Current:** Set via an external resistor  
- **Automatic Recharge:** Initiates charging if battery voltage falls below a threshold  
- **Charge Status Indicators:** Open-drain outputs for charging and fault conditions  
- **Reverse Battery Protection:** Prevents damage from reverse battery connection  
- **Low Battery Leakage Current:** <1µA when input power is removed  

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

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