MAX6665 - 风扇控制器/驱动器，由工厂预置温度门限

MAX6665是Maxim美信半导体公司的一款传感器与传感器接口产品，MAX6665是风扇控制器/驱动器，由工厂预置温度门限，本站介绍了MAX6665的封装应用图解、特点和优点、功能等，并给出了与MAX6665相关的Maxim元器件型号供参考。

MAX6665 - 风扇控制器/驱动器，由工厂预置温度门限 - 传感器与传感器接口 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX6665 is a fully integrated thermal switch with an internal power transistor for driving a cooling fan rated up to 24V and 250mA. When the MAX6665's temperature rises above a factory-programmed threshold, the active-low FANOUT pin becomes active and powers the fan.

The MAX6665 is available with factory-programmed fan activation threshold temperatures from +40°C to +70°C in 5°C increments. Accuracy of the fan activation trip point is ±1°C (typ) and ±3°C (max). The trip point's hysteresis is pin selectable to 1°C, 4°C, or 8°C. Two open-drain logic outputs indicate overtemperature con-ditions: active-low WARN is activated when the temperature is 15°C above the fan activation threshold, and OT is activated when the temperature is 30°C above the threshold. These features can be used to safely power down systems that are overheated.

The MAX6665 operates from a +2.7V to +5.5V power supply, and the associated fan can be powered from 4.5V to 24V. It is available in an 8-pin SO package and operates from -40°C to +125°C.

关键特性

以下关键特性由Maxim美信半导体提供：

On-Chip 250mA Fan Switch

No External Components Required

Factory-Programmed Thresholds

Two Overtemperature Warning Signals

Pin-Selectable 1°C, 4°C, and 8°C Hysteresis

Low 65µA Supply Current

热门应用

卡槽

实验室仪表

笔记本电脑与台式计算机

PC电源

服务器

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