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MAX6649MUA+ from MAX,MAXIM - Dallas Semiconductor

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MAX6649MUA+

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX6649MUA+,MAX6649MUA MAX 96 In Stock

Description and Introduction

+145°C Precision SMBus-Compatible Remote/Local Sensors with Overtemperature Alarms The MAX6649MUA+ is a high-accuracy temperature sensor and fan-speed controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±1°C (from +60°C to +100°C)  
- **Supply Voltage:** 3V to 5.5V  
- **Current Consumption:** 200µA (typical)  
- **Output Interface:** SMBus/I²C-compatible (2-wire serial interface)  
- **Package:** 8-pin µMAX (3mm x 3mm)  
- **Resolution:** 0.125°C per LSB (digital output)  
- **Fan Control:** Supports PWM fan-speed control  

### **Descriptions & Features:**  
- Monitors the temperature of a remote thermal diode (e.g., CPU diode) and its own internal temperature.  
- Provides overtemperature alarms with programmable thresholds.  
- Integrated fan-speed controller with programmable settings.  
- Supports automatic fan-speed adjustment based on temperature readings.  
- Includes a resistance error correction feature for improved accuracy.  
- Low power consumption makes it suitable for battery-powered applications.  
- Small form factor (µMAX package) for space-constrained designs.  

The MAX6649MUA+ is commonly used in PCs, servers, and other electronic systems requiring precise thermal management.

Application Scenarios & Design Considerations

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

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