US90A / US91A
24V Hall IC Fan Driver 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 (US90A) or alarm (US91A) signal output 2-coil fan driver with FG/RD output in 4-pin VK / VA and 8-pin narrow SOIC packa...
