MAX6620 controller equivalent, quad linear fan-speed controller.
o Controls Up to Four Independent Fans With Linear (DC) Drive
o Uses Four External Low-Cost Pass Transistors o 1% Accuracy Precision RPM Control o Controlled Voltage Rate.
The MAX6620 is available in a 28-pin TQFN package and operates over the -40°C to +125°C automotive temperature range.
A.
The MAX6620 controls the speeds of up to four fans using four independent linear voltage outputs. The drive voltages for the fans are controlled directly over the I2C interface. Each output drives the base of an external bipolar transistor or the gat.
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