ADT7470ARQ 데이터시트 - Analog Devices
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ADT7470ARQ
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Analog Devices
GENERAL DESCRIPTION
The ADT7470 controller is a multichannel temperature sensor and PWM fan controller and fan speed monitor for noise-sensitive systems requiring active system cooling. It is designed to interface directly to an I2C bus and control/monitor the fans using a service processor. The aim is to quickly develop systems that are modular and can easily be expanded depending on the system’s cooling requirements. The device can monitor up to ten temperature sensors.
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 100% by
external hardware
SMBALERT interrupt signals failures to system controller
Tristate ADDR pin allows up to 3 devices on a single bus
Temperature decoder interprets TMP05/TMP06 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 specifications
(fully SMBus 1.1 compliant)
Footprint compatible with ADT7460
APPLICATIONS
Servers
Networking and telecommunications equipment
Desktops
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