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MAX1558ETB from MAXIM,MAXIM - Dallas Semiconductor

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MAX1558ETB

Manufacturer: MAXIM

2.7 to 5.5 V, Dual, 3 mm x 3 mm, 1.2 A/programmable-current USB switches with autoreset

Partnumber Manufacturer Quantity Availability
MAX1558ETB MAXIM 1000 In Stock

Description and Introduction

2.7 to 5.5 V, Dual, 3 mm x 3 mm, 1.2 A/programmable-current USB switches with autoreset The MAX1558ETB is a dual-input, linear battery charger IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 6.5V (USB input) / 4V to 12V (DC input)  
- **Charge Voltage:** 4.2V (adjustable)  
- **Charge Current:** Up to 500mA (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin TDFN (3mm x 3mm)  

### **Descriptions:**
- The MAX1558ETB is designed for single-cell Li+ battery charging from either a USB port or an AC adapter.  
- It automatically selects the appropriate power source (USB or DC) for charging.  
- Includes thermal regulation to prevent overheating.  

### **Features:**
- **Dual-Input Charging:** Supports USB and DC power sources.  
- **Automatic Power Source Selection:** Prioritizes between USB and DC inputs.  
- **Programmable Charge Current:** Adjustable via an external resistor.  
- **Thermal Regulation:** Reduces charge current if temperature exceeds safe limits.  
- **Charge Status Outputs:** Indicates charging state (active, complete, or shutdown).  
- **Low Battery Leakage:** Minimizes discharge when power is removed.  

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

Application Scenarios & Design Considerations

2.7 to 5.5 V, Dual, 3 mm x 3 mm, 1.2 A/programmable-current USB switches with autoreset

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