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MAX6640AEE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX6640AEE+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX6640AEE+T,MAX6640AEET MAXIM 1795 In Stock

Description and Introduction

2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller The MAX6640AEE+T is a temperature sensor and fan controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±1°C (from +60°C to +100°C)  
- **Supply Voltage Range:** 3V to 5.5V  
- **Current Consumption:** 200µA (typical)  
- **Output Type:** Digital (I²C/SMBus-compatible interface)  
- **Package:** 16-pin QSOP  

### **Descriptions:**  
The MAX6640AEE+T monitors the temperature of a remote thermal diode (e.g., CPU) and an internal sensor. It provides high accuracy and features an integrated fan-speed controller to optimize cooling efficiency.  

### **Features:**  
- Monitors remote and internal temperatures  
- Programmable overtemperature alarm  
- SMBus/I²C-compatible interface  
- Fan-speed control with PWM output  
- Low power consumption  
- Small footprint (QSOP package)  

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

Would you like any additional details?

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADT7461AARMZ-REEL --: Pin-compatible remote/local temperature sensor with similar I2C interface and accuracy, widely available from the same analog vendor family.
  • LM95235CIMM/NOPB --: Dual-channel remote diode temperature sensor with I2C/SMBus interface, comparable accuracy and supply range, good drop-in candidate.
  • EMC1403-A-AIZL-TR --: Multi-channel temperature monitor with I2C interface and similar remote diode sensing, suitable functional replacement when layout allows.

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