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MAX1669

Maxim
Part Number MAX1669
Manufacturer Maxim
Description Fan Controller and Remote Temperature Sensor with SMBus Serial Interface
Published May 6, 2005
Detailed Description 19-1574; Rev 0; 1/00 Fan Controller and Remote Temperature Sensor with SMBus Serial Interface General Description The M...
Datasheet PDF File MAX1669 PDF File

MAX1669
MAX1669

Overview
19-1574; Rev 0; 1/00 Fan Controller and Remote Temperature Sensor with SMBus Serial Interface General Description The MAX1669 fan controller includes a precise digital thermometer that reports the temperature of a remote sensor.
The remote sensor is a diode-connected transistor—typically a low-cost, easily mounted 2N3906 PNP type—replacing conventional thermistors or thermocouples.
Remote accuracy is ±3°C for transistors from multiple manufacturers, with no calibration needed.
The MAX1669 has an independent fan controller with a lowcurrent logic output requiring external power components to interface to a DC brushless fan.
The fan controller has two modes of operation: a low-frequency (20Hz...


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