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MAX6646MUA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX6646MUA+T

Manufacturer: MAXIM

+145°C Precision SMBus-Compatible Remote/Local Sensors with Overtemperature Alarms

Partnumber Manufacturer Quantity Availability
MAX6646MUA+T MAXIM 4346 In Stock

Description and Introduction

+145°C Precision SMBus-Compatible Remote/Local Sensors with Overtemperature Alarms The MAX6646MUA+T is a temperature sensor and fan-speed controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Package:** 8-pin μMAX  
- **Operating Voltage Range:** 3V to 5.5V  
- **Temperature Measurement Range:** -40°C to +125°C  
- **Accuracy:** ±1°C (typical) from +60°C to +100°C  
- **Fan Control:** PWM output for fan-speed regulation  
- **Interface:** SMBus-compatible 2-wire serial interface  
- **Resolution:** 1°C per LSB (digital temperature reading)  
- **Power Consumption:** Low power operation  

### **Descriptions:**  
- The MAX6646MUA+T monitors the temperature of a remote thermal diode (e.g., CPU) and its own internal temperature.  
- It provides automatic fan-speed control based on temperature thresholds.  
- The device includes programmable hysteresis to prevent fan chatter.  

### **Features:**  
- Dual temperature monitoring (remote and local)  
- Programmable fan-speed control with PWM output  
- SMBus alert function for overtemperature warnings  
- Low operating current (typically 300μA)  
- Small footprint (μMAX package) for space-constrained applications  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

+145°C Precision SMBus-Compatible Remote/Local Sensors with Overtemperature Alarms

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