ADT7470 Datasheet | Analog Devices

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 municates values over I2C bus Limit parison of all monitored values Supports fast I2C standard (400 k Hz max) Meets SMBus 2.0 electrical specifications (fully SMBus 1.1-pliant) APPLICATIONS Servers Networking and telemunications equipment Desktops 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...