HA13605A Datasheet, PDF (6/18 Pages) Hitachi Semiconductor – Three-Phase Brushless Motor Driver

HA13605A
Speed control
(1) Slow speed
FGout
( 15 pin)
(2) Fast speed
Hysterisis
Wave
commutation
1/2 frequency
division
1st. count
2048count
M
M
2nd. count
Charge pump
output
( 13 pin)
2048count
M
Acceleration pulse
M : Noise cancellation (512count)
2048count
M
M
2048count
M
Slowdown pulse
6