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MAX6642ATT90+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX6642ATT90+

Manufacturer: MAXIM

±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm

Partnumber Manufacturer Quantity Availability
MAX6642ATT90+,MAX6642ATT90 MAXIM 49 In Stock

Description and Introduction

±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm The MAX6642ATT90+ is a temperature sensor and fan-speed controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX6642ATT90+  
- **Package:** 8-pin TDFN (3mm x 3mm)  
- **Operating Voltage Range:** 3.0V to 5.5V  
- **Temperature Measurement Range:** -40°C to +125°C  
- **Accuracy:** ±1°C (from +60°C to +100°C)  
- **Remote Temperature Sensing:** Yes (via external diode-connected transistor)  
- **Fan Control:** PWM output for fan-speed regulation  
- **Interface:** SMBus/I²C-compatible  
- **Resolution:** 0.125°C (local), 0.0625°C (remote)  
- **Power Consumption:** Low (typically 0.8mA operating current)  

### **Descriptions:**  
The MAX6642ATT90+ is designed for monitoring and controlling the temperature of processors, GPUs, or other critical components. It features both local and remote temperature sensing, with high accuracy and digital output via an SMBus/I²C interface. The device includes a PWM fan-speed controller to optimize cooling efficiency.  

### **Features:**  
- **Dual Temperature Monitoring:** Measures local and remote temperatures.  
- **Programmable Fan Control:** Adjusts fan speed based on temperature thresholds.  
- **High Accuracy:** ±1°C (local) and ±3°C (remote) accuracy.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Small Form Factor:** Compact 8-pin TDFN package.  
- **SMBus/I²C Interface:** Allows communication with host controllers.  
- **Over-Temperature Alarm:** Provides alerts when thresholds are exceeded.  

This device is commonly used in PCs, servers, and embedded systems for thermal management.

Application Scenarios & Design Considerations

±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm

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