2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller The MAX6640AEE is a temperature sensor and fan-speed controller manufactured by Maxim Integrated. Below are the factual details from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX6640AEE
- **Type:** Temperature Sensor and Fan-Speed Controller
- **Package:** 16-pin QSOP (QSOP-16)
- **Operating Voltage Range:** 3V to 5.5V
- **Temperature Measurement Range:** -40°C to +125°C
- **Accuracy:** ±1°C (typical) over the full temperature range
- **Temperature Resolution:** 0.125°C
- **Fan Control:** PWM (Pulse-Width Modulation) output for fan speed regulation
- **Interface:** SMBus/I²C-compatible serial interface
- **Programmable Alert Function:** Overtemperature alarm with programmable thresholds
- **Remote Diode Sensor:** Supports external thermal diode (e.g., CPU diode) for remote temperature sensing
### **Descriptions:**
- The MAX6640AEE is designed to monitor the temperature of a processor or system using an external thermal diode and control a cooling fan via PWM.
- It integrates a local temperature sensor and can also measure the temperature of a remote thermal diode (e.g., a CPU diode).
- The device communicates over an SMBus/I²C interface for configuration and temperature readings.
- It provides an overtemperature alarm with programmable thresholds for system protection.
### **Features:**
- **Dual Temperature Monitoring:** Measures both local and remote (CPU) temperatures.
- **High Accuracy:** ±1°C typical accuracy over the full temperature range.
- **Programmable Fan Control:** Adjusts fan speed based on temperature readings.
- **Low Power Consumption:** Optimized for energy-efficient operation.
- **SMBus/I²C Interface:** Allows easy integration with system controllers.
- **Overtemperature Alarm:** Configurable thresholds for system protection.
- **Compact Package:** 16-pin QSOP for space-constrained applications.
This information is based solely on the manufacturer's datasheet and technical documentation.
