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The US79 Fan Controller IC
The US79 is an advanced Smart Fan Control Hall IC designed for 3.7V, 5V and 12V cooling commutation. The chip contains many features to allow survival in a harsh environment.The IC is designed to eliminate all discrete components such as capacitors, resistors, transistors, diodes, PC board and associated labor. 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 1 second and will shut OFF the motor drive for 5 seconds. Then the IC will turn on the drive current for 1 second. This sequence will continue indefinitely until the locked rotor condition is fixed. This feature prevents overheating.
Press the START button below to see how it works. For more information please see our complete Product Specification Guide or contact your authorized Melexis Representative
location: Concord, NH
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