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ADT7470ARQZ-REEL7

温度传感器集线器和风扇控制器 Temperature Sensor Hub and Fan Controller

GENERAL DESCRIPTION

The ADT74701 controller is a multichannel temperature sensor and PWM fan controller and fan speed monitor for systems requiring active cooling. It is designed to interface directly to an I2C® bus. The ADT7470 can monitor up to 10  daisy-chained TMP05 temperature sensors. It can also monitor and control the speed of four fans, in automatic or in manual control loops. 

FEATURES

Monitors up to 10 remote temperature sensors

Monitors and controls speed of up to 4 fans independently

PWM outputs drive each fan under software control

FULL_SPEED input allows fans to be blasted to maximum speed by external hardware

SMBALERT interrupt signals failures to system controller

Three-state ADDR pin allows up to 3 devices on a single bus

Temperature decoder interprets TMP05 temperature sensors and communicates values over I2C bus

Limit comparison of all monitored values

Supports fast I2C standard 400 kHz max

Meets SMBus 2.0 electrical specificationsfully SMBus 1.1-compliant

APPLICATIONS

Servers

Networking and telecommunications equipment

Desktops

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