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MAX6639FAEE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX6639FAEE+T

Manufacturer: MAXIM

2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller

Partnumber Manufacturer Quantity Availability
MAX6639FAEE+T,MAX6639FAEET MAXIM 463 In Stock

Description and Introduction

2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller The MAX6639FAEE+T is a temperature sensor and fan-speed controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Temperature Measurement Range:** -40°C to +125°C  
- **Temperature Accuracy:** ±1°C (0°C to +85°C), ±3°C (full range)  
- **Supply Voltage Range:** 3.0V to 5.5V  
- **Fan Control:** PWM output for fan speed regulation  
- **Interface:** SMBus-compatible 2-wire serial interface  
- **Resolution:** 0.125°C (temperature sensor)  
- **Package:** 16-pin QSOP (TSSOP)  

### **Descriptions:**  
The MAX6639FAEE+T monitors the temperature of two remote diode-connected transistors (e.g., CPU or GPU) and its own internal temperature. It provides closed-loop fan control based on temperature readings, optimizing cooling while reducing noise.  

### **Features:**  
- Dual-channel temperature monitoring (remote and internal)  
- Programmable fan-speed control with PWM output  
- Automatic fan speed adjustment based on temperature  
- SMBus/I²C-compatible interface  
- Low power consumption  
- Over-temperature alarm functionality  

This device is commonly used in PCs, servers, and other systems requiring thermal management.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller

Alternative Part Number

  • ADT7476AARQZ-REEL --: Dual-channel temperature monitor and fan controller with PWM outputs, functionally similar to the MAX6639 in a QSOP package.
  • EMC2305-1-AIZL-TR --: Multi-channel PWM fan controller with temperature monitoring, comparable feature set and small package footprint.
  • LM96080CIMTX/NOPB --: Hardware monitor with fan control and temperature sensing, suitable as a functional substitute for system thermal management.

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