SA5570 controller equivalent, brushless dc motor controller.
* 8-bit DAC
* Serial-to-parallel converter
* Output pre-drivers
* Entire switch mode conversion
* Adaptable to 60° or 120° commutation
* Overcurr.
RESET 4 DAC REFIN 5
22 PHASE 1L 21 PHASE 20 PHASE 2L 19 PHASE 18 PHASE 3L 17 HS1 16 HS2
2H
OSCOUT 6 Rt/Ct 7 LOOP FIL.
The NE/SA/SE5570 is a three-phase brushless DC motor controller with a microprocessor-compatible serial input data port; 8-bit monotonic digital-to-analog converter; PWM comparator; oscillator; three Hall sensor inputs and six source/sink phase pre-d.
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