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MAX6650EUB+T from MAX,MAXIM - Dallas Semiconductor

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MAX6650EUB+T

Manufacturer: MAX, MAXIM

Fan-Speed Regulators and Monitors with SMBus/I²C-Compatible Interface
Partnumber Manufacturer Quantity Availability
MAX6650EUB+T,MAX6650EUBT MAX, MAXIM 4647 In Stock

Description and Introduction

Fan-Speed Regulators and Monitors with SMBus/I²C-Compatible Interface The **MAX6650EUB+T** is a temperature sensor and fan-speed controller manufactured by **Maxim Integrated**.  

### **Specifications:**  
- **Package:** 10-µMAX (3mm x 5mm)  
- **Operating Voltage Range:** 3V to 5.5V  
- **Temperature Measurement Range:** -55°C to +125°C  
- **Accuracy:** ±1°C (from +60°C to +100°C)  
- **Interface:** I²C/SMBus-compatible  
- **Fan Control:** Supports PWM and linear control modes  
- **Resolution:** 0.125°C (temperature), 1 RPM (fan speed)  
- **Programmable Alert Function:** Overtemperature and undertemperature alarms  
- **Applications:** PC cooling, industrial systems, and embedded thermal management  

### **Descriptions and Features:**  
- Monitors **remote diode temperature** (CPU/GPU) and **local temperature**.  
- Supports **automatic fan-speed control** based on temperature readings.  
- **Programmable hysteresis** to reduce fan noise.  
- **Tachometer input** for measuring fan speed.  
- **Low-power operation** suitable for battery-powered systems.  
- **Pin-selectable address** for multiple device operation.  

This device is commonly used in **computers, servers, and industrial equipment** for thermal regulation.

Application Scenarios & Design Considerations

Fan-Speed Regulators and Monitors with SMBus/I²C-Compatible Interface

Alternative Part Number

  • ADT7460ARQZ-REEL --: Fan speed controller with PWM and tachometer monitoring, similar function to MAX6650 in a different series and vendor.
  • EMC2305-1-AIZL-TR --: Multi-channel PWM fan controller with RPM monitoring, comparable feature set in a different naming series.
  • LM85CIMSA --: Hardware monitor with fan control and temperature sensing, functionally similar alternative from a different series.
  • ADT7461ARMZ-REEL7 --: Pin-compatible fan controller and temperature monitor with similar I2C interface and fan control features, from the same merged Analog Devices/Maxim portfolio.
  • EMC2301-1-ACZL-TR --: I2C fan controller with PWM output and tachometer input, functionally similar for fan speed control applications.
  • LM63CIMSA/NOPB --: Integrated fan controller with remote diode temperature sensing and PWM fan control, suitable as a functional substitute.

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