HA13566AF Datasheet, PDF (10/20 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver

HA13566AF
Internal Commutation Mode (Full Wave Mode)
+
B-EMF 0
–
U
V
W
PHASE
0
COMM
*3
0
+
U-Current
Switching 0
mode
–
U-Current ⁺
Soft
switching
0
mode
–
+ 50 %
– 50 %
Note: 3. When the internal commutation mode is selected, the commutation of the motor is automatically
selected at the B-EMF sensing drive. But don’t open the COMM terminal.
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