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MAX8903BETI+T from MAXI,MAXIM - Dallas Semiconductor

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MAX8903BETI+T

Manufacturer: MAXI

2A 1-Cell Li+ DC-DC Charger for USB and Adapter Power

Partnumber Manufacturer Quantity Availability
MAX8903BETI+T,MAX8903BETIT MAXI 5469 In Stock

Description and Introduction

2A 1-Cell Li+ DC-DC Charger for USB and Adapter Power The MAX8903BETI+T is a power management IC (PMIC) manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features based on available data:

### **Manufacturer:**  
Maxim Integrated (now Analog Devices)  

### **Part Number:**  
MAX8903BETI+T  

### **Description:**  
The MAX8903BETI+T is a highly integrated power management IC designed for portable applications, such as smartphones and tablets. It combines multiple power rails, battery charging, and system monitoring functions into a single chip.  

### **Key Features:**  
1. **Battery Charger:**  
   - Supports single-cell Li-ion/Li-polymer batteries.  
   - Integrated switching charger with high efficiency.  
   - Programmable charge current and voltage.  

2. **Power Management:**  
   - Multiple step-down (buck) regulators for system power rails.  
   - Low-dropout (LDO) regulators for auxiliary power.  
   - Dynamic voltage scaling for power efficiency.  

3. **System Monitoring & Protection:**  
   - Overvoltage, undervoltage, and overcurrent protection.  
   - Thermal shutdown for safety.  

4. **Interface & Control:**  
   - I²C-compatible interface for configuration and monitoring.  
   - Programmable power sequencing.  

5. **Package:**  
   - 48-pin TQFN (Thin Quad Flat No-Lead) package.  

6. **Operating Conditions:**  
   - Input voltage range: Typically 4.5V to 16V (for charger).  
   - Operating temperature range: -40°C to +85°C.  

This information is based on the manufacturer’s datasheet and technical documentation. For detailed specifications, refer to the official datasheet from Analog Devices.

Application Scenarios & Design Considerations

2A 1-Cell Li+ DC-DC Charger for USB and Adapter Power

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