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MAX1556ETB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1556ETB+

Manufacturer: MAXIM

16µA IQ, 1.2A PWM Step-Down DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX1556ETB+ MAXIM 850 In Stock

Description and Introduction

16µA IQ, 1.2A PWM Step-Down DC-DC Converters The **MAX1556ETB+** is a battery charger IC manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1556ETB+  
- **Package:** 10-WLP (Wafer-Level Package)  
- **Input Voltage Range:** 4.5V to 7V  
- **Charge Voltage:** 4.2V (adjustable)  
- **Charge Current:** Up to 800mA (programmable)  
- **Charging Method:** Linear (constant-current/constant-voltage)  
- **Battery Chemistry:** Single-cell Li-ion/Li-polymer  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX1556ETB+ is a compact, standalone linear battery charger designed for single-cell Li-ion/Li-polymer batteries. It integrates thermal regulation to prevent overheating and includes an automatic recharge feature. The device operates from a USB or AC adapter input and requires minimal external components.

### **Features:**
- **Automatic Power Source Selection** (USB or AC adapter)  
- **Programmable Charge Current** (up to 800mA)  
- **Thermal Regulation** for optimized charging  
- **Charge Status Output** (open-drain indicator)  
- **Automatic Recharge** when battery voltage drops  
- **No External MOSFET or Blocking Diode Required**  
- **Low Dropout Voltage** for efficient charging  
- **Overvoltage Protection** (up to 7V input)  

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

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