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US62
Two-Coil Fan Driver (Tachometer output)
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The US62 is a one-chip solution for driving two-coil brushless DC cooling fans.
Based on the advanced Melexis CMOS process, the IC contains a Hall-effect sensor, dynamic offset correction and low side output drivers.
The Frequency Generator open-drain output makes easier the connectivity with any external interface such as hardware monitoring or Super I/O IC.
These features are combined with the Melexis patented no-VDD design to fit the IC in a small 4-pin VK package.
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Features and Benefits
- Low cost
- High sensitivity Hall Sensor
- Locked rotor protection and auto-restart
- Power-efficient CMOS and power MOSFETs
- Built-in output protection clamping diode
- Integrated tachometer signal protected output
- 2-coil fan driver with FG output in 4-pin VK package RoHS Compliant
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