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MAX6642ATT98+T from Maxim / Dallas,MAXIM - Dallas Semiconductor

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MAX6642ATT98+T

Manufacturer: Maxim / Dallas

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

Partnumber Manufacturer Quantity Availability
MAX6642ATT98+T Maxim / Dallas 2450 In Stock

Description and Introduction

±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm The MAX6642ATT98+T is a temperature sensor and fan-speed controller manufactured by Maxim Integrated (formerly Dallas Semiconductor).  

### **Specifications:**  
- **Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±1°C (max) from +60°C to +100°C  
- **Supply Voltage Range:** 3.0V to 5.5V  
- **Low Quiescent Current:** 50µA (typ)  
- **Output:** PWM fan-speed control  
- **Package:** 6-Pin TDFN (2mm x 2mm)  
- **Interface:** SMBus/I²C-compatible  

### **Descriptions and Features:**  
- Monitors its own temperature and an external diode-connected transistor (e.g., CPU diode).  
- Provides automatic fan-speed control based on temperature readings.  
- Programmable temperature thresholds with hysteresis.  
- Supports SMBus/I²C communication for configuration and readout.  
- Includes a tachometer input for fan-speed monitoring.  
- Features a 2-wire serial interface for easy integration.  

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

Application Scenarios & Design Considerations

±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
Partnumber Manufacturer Quantity Availability
MAX6642ATT98+T,MAX6642ATT98T MAXIM 730 In Stock

Description and Introduction

±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm The MAX6642ATT98+T is a temperature sensor and fan-speed controller manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX6642ATT98+T  
- **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)  
- **Interface:** SMBus/I²C-Compatible  
- **Resolution:** 8-bit (0.5°C per LSB)  
- **Fan Control:** PWM Output (Programmable Duty Cycle)  
- **Alarm Output:** Overtemperature Alert (OT)  
- **Storage Temperature Range:** -65°C to +150°C  

### **Descriptions:**  
The MAX6642ATT98+T is a high-accuracy temperature sensor and fan controller designed for monitoring processor and system temperatures. It provides digital temperature readings via an SMBus/I²C interface and includes a programmable PWM fan-speed controller to optimize cooling efficiency. The device features an overtemperature alarm for system protection.

### **Features:**  
- **High-Accuracy Temperature Sensing:** ±1°C accuracy (within +60°C to +100°C).  
- **Programmable Fan Control:** Adjustable PWM output for fan-speed regulation.  
- **SMBus/I²C Interface:** Allows communication with host systems.  
- **Overtemperature Alarm:** Provides an alert when temperature exceeds a set threshold.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Small Form Factor:** 8-pin TDFN package (3mm x 3mm).  
- **Wide Operating Voltage:** Supports 3.0V to 5.5V power supplies.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

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