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LM3622M-8.4 from NS,National Semiconductor

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LM3622M-8.4

Manufacturer: NS

Lithium-Ion Battery Charger Controller

Partnumber Manufacturer Quantity Availability
LM3622M-8.4,LM3622M84 NS 204 In Stock

Description and Introduction

Lithium-Ion Battery Charger Controller The LM3622M-8.4 is a lithium-ion battery charger IC manufactured by National Semiconductor (NS). Below are the specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 6.5V  
- **Charging Voltage:** 8.4V (fixed)  
- **Charge Current:** Programmable up to 1.5A  
- **Battery Chemistry:** Lithium-Ion (Li-Ion)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- The LM3622M-8.4 is a linear charger IC designed for 2-cell Li-Ion batteries.  
- It provides a constant-current/constant-voltage (CC/CV) charging profile.  
- Includes thermal regulation to prevent overheating.  
- Features an integrated pass transistor for reduced external component count.  

### **Features:**  
- **Precision Voltage Regulation:** ±1% accuracy for 8.4V output.  
- **Programmable Charge Current:** Adjustable via an external resistor.  
- **Thermal Regulation:** Reduces charge current if temperature exceeds safe limits.  
- **Charge Status Output:** Provides indication of charging state.  
- **Low Dropout Operation:** Efficient charging even with lower input voltages.  
- **Reverse Polarity Protection:** Safeguards against incorrect battery connection.  

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

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