US91A driver equivalent, (us90a / us91a) 24v hall ic fan driver.
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.
The US90A/91A 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. Frequency Generator or Rotat.
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