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LTC4053EDD-4.2#PBF from LINEAR

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LTC4053EDD-4.2#PBF

Manufacturer: LINEAR

USB Compatible Lithium-Ion Battery Charger with Thermal Regulation

Partnumber Manufacturer Quantity Availability
LTC4053EDD-4.2#PBF,LTC4053EDD42#PBF LINEAR 781 In Stock

Description and Introduction

USB Compatible Lithium-Ion Battery Charger with Thermal Regulation The LTC4053EDD-4.2#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 Voltage:** 4.2V (fixed)  
- **Charge Current:** Programmable up to 500mA  
- **Charge Termination:** C/10 (10% of programmed current)  
- **Preconditioning:** For deeply discharged batteries  
- **Thermal Regulation:** Prevents overheating  
- **Package:** DFN-8 (3mm × 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- Standalone linear charger for single-cell Li-Ion/Li-Polymer batteries.  
- No external MOSFET, sense resistor, or blocking diode required.  
- Complete charging cycle includes trickle charge, constant current, and constant voltage phases.  
- Automatic recharge when battery voltage falls below recharge threshold.  

### **Features:**  
- **Programmable Charge Current:** Set via an external resistor.  
- **Automatic Recharge:** Ensures battery remains fully charged.  
- **Thermal Feedback:** Optimizes charge rate to prevent overheating.  
- **Battery Detection:** Ensures no battery is present before applying power.  
- **Status Indicators:** Open-drain outputs for charging and fault conditions.  
- **Low Power Consumption:** Shutdown mode reduces supply current to <20µA.  

This charger is designed for portable applications such as smartphones, tablets, and other handheld devices.

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