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MAX1811ESA-T from MAX,MAXIM - Dallas Semiconductor

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MAX1811ESA-T

Manufacturer: MAX

USB-Powered Li+ Charger

Partnumber Manufacturer Quantity Availability
MAX1811ESA-T,MAX1811ESAT MAX 34 In Stock

Description and Introduction

USB-Powered Li+ Charger The MAX1811ESA-T is a USB-powered Li+ battery charger from Maxim Integrated.  

**Specifications:**  
- **Input Voltage:** 4.5V to 6.5V (USB-compatible)  
- **Charge Voltage:** 4.1V or 4.2V (selectable)  
- **Charge Current:** Up to 500mA (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

**Descriptions:**  
- Designed for single-cell Li+ battery charging via USB port.  
- Features thermal regulation to prevent overheating.  
- Includes charge termination based on current threshold.  

**Features:**  
- Automatic power-source selection (USB or AC adapter).  
- Programmable charge current via external resistor.  
- Charge-status outputs (open-drain).  
- Low-dropout linear regulator for efficient charging.  
- Reverse discharge protection.  

This device is optimized for portable USB-powered applications.

Application Scenarios & Design Considerations

USB-Powered Li+ Charger

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