Smart Fan Motor Driver

The US79KUA is the most advanced Smart Fan Control Hall IC. It is designed for 5V and 12V cooling commutation. The chip contains many features to allow survival in a harsh environment. The IC was designed to eliminate all Discrete components such as capacitors, resistors, Transistors Diodes PC board and associated labor, replacing US$0.25 to US$0.35 in direct cost. The K rating guarantees proper operation up to an ambient temperature of 125C. Hall IC circuitry and power FET output provide a low power dissipation cool chip. Locked Rotor conditions are detected by the IC when there is no motion for one second and will shut off the motor drive for five seconds. Then, the IC will turn on the drive current for one second. This sequence continues indefinitely until the locked rotor condition is fixed. This feature prevents overheating.
By Melexis Company
US79 's PackagesUS79 's pdf datasheet

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US79 Application circuits
US79 circuits
This is one application circuit of US79,If you need more circuits,please download US79's pdf datasheet.

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