HA13536F Overview
The HA13536F is a 3-phase brushless DC motor driver IC with digital speed control. It is being developed for direct drive of the spindle motor of 5 V floppy disk drives with a height of 3/4" or less. It has the following functions.
HA13536F Key Features
- 1.0 A per phase, 3-phase drive circuit (current driver) Digital speed control circuit FG Amp Index circuit Current limit
- Low saturation voltage, typically 1.15 V (at 0.7 A)
- Soft switching drive circuit
- No need for an output snubber circuit
- input U phase + input VCC
- input input input input
- pin Bias + pin
- input FG + input
- input RPM SEL Index adjust
- Speed discriminator Charge pump Bias Vref2 u (+) u (-) v (+) v (-) w (+) w (-) (+) Control Amp. (-) Index circuit OTSD