ADM1034 Datasheet | Analog Devices

Thermal Monitor and Fan Speed (RPM) Controller Features 1 local and 2 remote temperature channels ±1°C accuracy on local and remote channels Automatic remote temperature channels, up to 1 kΩ Fast (up to 64 measurements per second) SMBus 2.0, 1.1, and 1.0 pliant SMBus address input/LOCATION input to UDID Programmable over-/undertemperature limits Programmable fault queue SMBus ALERT output Fail-safe overtemperature parator output Fan speed (RPM) controller Look-up table for temperature-to-fan-speed control Linear and discrete options for look-up table FAN_FAULToutput THERM input, used to time PROCHOT assertions REF input, used as reference for THERM (PROCHOT) 3 V to 5.5 V supply Small 16-lead QSOP package APPLICATIONS Desktop and notebook PCs Embedded systems Telemunications equipment LCD projectors FUNCTIONAL BLOCK DIAGRAM DRIVE1 1 DRIVE2 3 MANUAL FAN SPEED CONTROL REGISTERS TEMPERATURE-TOFAN-SPEED LOOK-UP TABLE FAN SPEED CONTROLLER FAN RESPONSE SMBUS ADDRESS SERIAL BUS INTERFACE ADDRESS POINTER REGISTER STATUS REGISTER ALERT THERM MASK REGISTERS LIMIT PARATOR FAULT QUEUE 16 SCL 15 SDA 8 FAN_FAULT 14 ALERT 7 THERM TACH1 2 TACH2 4 TACH SIGNAL CONDITIONING REF 8 LOCATION 13 D1- 9 D1+ 10 D2- 11 D2+...