| Part Number | US91A |
| Manufacturer | Melexis Microelectronic Systems |
| Title | (US90A / US91A) 24V Hall IC Fan Driver |
| Description | 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... |
| 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 drive...
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| Datasheet |
 US91A Datasheet
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