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LTC4052EMS8E-4.2 from LT

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LTC4052EMS8E-4.2

Manufacturer: LT

Lithium-Ion Battery Pulse Charger with Overcurrent Protection

Partnumber Manufacturer Quantity Availability
LTC4052EMS8E-4.2,LTC4052EMS8E42 LT 73 In Stock

Description and Introduction

Lithium-Ion Battery Pulse Charger with Overcurrent Protection The LTC4052EMS8E-4.2 is a linear battery charger IC manufactured by **Linear Technology (LT)** (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **LT (Linear Technology)**  

### **Specifications:**  
- **Device Type:** Standalone linear Li-Ion battery charger  
- **Charge Voltage:** Fixed 4.2V (±1%)  
- **Charge Current:** Programmable up to 500mA  
- **Input Voltage Range:** 4.5V to 6.5V  
- **Package:** MSOP-8  
- **Charge Termination:** C/10 (10% of programmed current)  
- **Preconditioning:** Yes (for deeply discharged cells)  
- **Thermal Regulation:** Yes (reduces charge current if overheating occurs)  
- **Battery Detection:** Automatic (charges only when battery is present)  
- **Reverse Battery Protection:** Yes  
- **Low Battery Charge Current:** 10% of programmed current (for weak cells)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- Designed for single-cell **Li-Ion/Li-Polymer** batteries.  
- Operates as a **constant-current/constant-voltage (CC/CV)** charger.  
- Includes **thermal feedback** to optimize charge rate without overheating.  
- No external MOSFET, sense resistor, or blocking diode required.  

### **Features:**  
- **Programmable Charge Current** (via external resistor).  
- **Automatic Recharge** (initiates charging if battery voltage drops).  
- **Charge Status Output** (open-drain indicator pin).  
- **No Microcontroller Required** (standalone operation).  
- **Small Footprint** (MSOP-8 package).  

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

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