HA13631T Hitachi Semiconductor, HA13631T Datasheet - Page 8

• Manufacturer Part Number: HA13631T
• Description: CD-ROM Combo Driver
• Manufacturer: Hitachi Semiconductor

HA13631T
3. Running
8
EXTCOM
Reverse start-up
voltage
B-EMF
Zero cross
detection
input
FGOUT
Output voltage
(U phase)
Output voltage
(V phase)
Output voltage
(W phase)
Output current
(U phase)
Output current
(V phase)
Output current
(W phase)
Notes: 1.
2.
Delay time Td is determined by C105 to C107, and R109 to R116.
Refer to the section of External Components.
B-EMF sensing is masked while FGOUT = H (= Tmint). The Tmint time is set internally.
Refer to the Electrical Characteristics.
Vspn
Vspn
Vspn
H
H
L
+
0
+
0
L
0
0
0
+
0
+
0
+
0
Td
PWM
U
U
PWM
V
V
PWM
W
W
PWM
PWM
PWM