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MAX1555EZK+ from N/A

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MAX1555EZK+

Manufacturer: N/A

SOT23, Dual-Input, USB/AC Adapter, 1-Cell Li+ Battery Chargers

Partnumber Manufacturer Quantity Availability
MAX1555EZK+ N/A 2500 In Stock

Description and Introduction

SOT23, Dual-Input, USB/AC Adapter, 1-Cell Li+ Battery Chargers The MAX1555EZK+ is a battery charger controller from Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** N/A (originally Maxim Integrated, now part of Analog Devices)  
- **Part Number:** MAX1555EZK+  
- **Type:** Battery Charger Controller  
- **Input Voltage Range:** 4.5V to 7V  
- **Charge Voltage:** 4.2V (adjustable)  
- **Charge Current:** Up to 1A (programmable)  
- **Package:** 5-Pin SOT-23  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charging Method:** Linear  

### **Descriptions:**  
The MAX1555EZK+ is a compact, single-cell lithium-ion (Li+) battery charger controller designed for portable applications. It integrates a power MOSFET, current sensing, and thermal regulation to provide a complete charging solution. The device operates from a USB port or an external power supply and automatically adjusts the charge current based on input power availability.  

### **Features:**  
- **Automatic Power Source Selection:** Works with USB or AC adapter input.  
- **Programmable Charge Current:** Adjustable via an external resistor.  
- **Thermal Regulation:** Prevents overheating by reducing charge current if necessary.  
- **Charge Status Output:** Indicates charging state (active-low open-drain output).  
- **Low Dropout Voltage:** Efficient charging even with lower input voltages.  
- **Battery Detection:** Automatically detects battery presence.  
- **Overvoltage Protection:** Safeguards against excessive input voltage.  

This information is strictly based on the available knowledge base without additional suggestions or guidance.

Application Scenarios & Design Considerations

SOT23, Dual-Input, USB/AC Adapter, 1-Cell Li+ Battery Chargers

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