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MAX6643LBFAEE+ from MAX,MAXIM - Dallas Semiconductor

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MAX6643LBFAEE+

Manufacturer: MAX

Automatic PWM Fan-Speed Controllers with Overtemperature Output

Partnumber Manufacturer Quantity Availability
MAX6643LBFAEE+,MAX6643LBFAEE MAX 160 In Stock

Description and Introduction

Automatic PWM Fan-Speed Controllers with Overtemperature Output The MAX6643LBFAEE+ is a temperature sensor and fan-speed controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±1°C (typical) from +60°C to +100°C  
- **Supply Voltage:** 3.0V to 5.5V  
- **Current Consumption:** 200µA (typical)  
- **Output Type:** Digital (SMBus/I²C interface)  
- **Package:** 16-pin QSOP  

### **Descriptions:**  
The MAX6643LBFAEE+ monitors the temperature of a remote diode-connected transistor (e.g., CPU) and its own internal temperature. It provides programmable fan-speed control based on temperature readings, optimizing cooling while minimizing noise.  

### **Features:**  
- Dual temperature monitoring (remote and local)  
- Programmable fan-speed control with PWM output  
- SMBus/I²C-compatible interface  
- High accuracy (±1°C typical)  
- Low power consumption  
- Thermal alarm output for overtemperature protection  
- Small 16-pin QSOP package  

This device is commonly used in PC motherboards, servers, and other systems requiring precise thermal management.

Application Scenarios & Design Considerations

Automatic PWM Fan-Speed Controllers with Overtemperature Output

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