6. Acceleration and Running the spindle motor
+
UBEMF 0
–
+
VBEMF 0
–
+
WBEMF 0
–
(1) Acceleration(switching mode)
SOURCE
Iu
0
SINK
SOURCE
Iv
0
SINK
SOURCE
Iw
0
SINK
(2) Running (soft switching mode)
SOURCE
Iu
0
SINK
SOURCE
Iv
0
SINK
SOURCE
Iw
0
SINK
HA13561F
11