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LM3658SD-A/NOPB from NSC,National Semiconductor

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LM3658SD-A/NOPB

Manufacturer: NSC

Dual Source USB/AC Li Chemistry Charger IC for Portable Applications 10-WSON -40 to 85

Partnumber Manufacturer Quantity Availability
LM3658SD-A/NOPB,LM3658SDANOPB NSC 107 In Stock

Description and Introduction

Dual Source USB/AC Li Chemistry Charger IC for Portable Applications 10-WSON -40 to 85 The LM3658SD-A/NOPB is a dual-slot battery charger IC manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NSC)  
- **Part Number:** LM3658SD-A/NOPB  
- **Package:** WSON-10  
- **Input Voltage Range:** 4.35V to 6.5V  
- **Charging Voltage:** 4.2V ±1% per cell (adjustable)  
- **Charge Current:** Up to 1.5A (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charge Termination:** C/10 or timer-based  
- **Pre-Charge Current:** 10% of fast charge current  

### **Descriptions:**
- The LM3658SD-A/NOPB is a dual-slot, stand-alone Li-ion battery charger designed for portable applications.  
- It integrates power management, charge control, and safety features for efficient and reliable charging.  
- Supports simultaneous or sequential charging of two Li-ion batteries.  

### **Features:**
- **Dual-Slot Charging:** Independently charges two Li-ion batteries.  
- **Integrated Power FETs:** Eliminates the need for external MOSFETs.  
- **Programmable Charge Current:** Adjustable via external resistor.  
- **Thermal Regulation:** Prevents overheating during charging.  
- **Charge Status Indicators:** LED outputs for charging and fault conditions.  
- **Safety Features:** Includes overvoltage protection (OVP), thermal shutdown, and reverse-blocking FETs.  
- **Low Battery Detection:** Automatically initiates pre-charge for deeply discharged cells.  

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

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