LB11996H SANYO [Sanyo Semicon Device], LB11996H Datasheet - Page 8

• Manufacturer Part Number: LB11996H
• Description: Three-Phase Brushless Motor Driver for CD-ROM Spindle Motor Driver
• Manufacturer: SANYO [Sanyo Semicon Device]

Pin Description
Pin number
(13)
(26)
(25)
(22)
(20)
(19)
(16)
(15)
(11)
(21)
(18)
(17)
15
12
13
17
14
10
11
3
4
6
8
9
7
Pin name
V
V
V
W
W
U
U
V
V
RS
FG
S/S
CC
CC
CC
V
IN
IN
IN
IN
IN
IN
H
1
2
1
2
2
3
1
1
2
4V to 13.6V
4V to 13.6V
Pin voltage
0V to V
V
(
4V to 6V
1.2V to
CC
): LB11996H, other pins: identical
1–1V
CC
1
16
10
12
20
18
8
•
•
75 A
( 11 )
200
100 A
30k
17
25 A
LB11996,11996H
Equivalent circuit
2k
75k
50k
10k
25 A
V CC 1
14
25 A
( 13 )
V CC 1
15
( 15 )
200
V CC 1
13
19
17
V CC 1
21
11
7
9
•
•
Source side predrive voltage supply
pin.
Constant current control amplifier
voltage supply pin.
Power supply pin for all voltage
except output transistors, source
predrive, and constant current
control amplifier.
Reverse detector pin
W phase Hall element input and
reverse detector W phase Schmitt
comparator input pin.
Logic High indicates W
1 Hall element waveform Schmitt
comparator composite output
Hall element lower side bias voltage
supply pin.
When this pin is at 0.7V or lower, or
when it is open, all circuits are
inactive.
When driving motor, set this pin to
2V or higher.
U phase Hall element input and
reverse detector U phase Schmitt
comparator input pin.
Logic High indicates U
V phase Hall element input and
reverse detector V phase Schmitt
comparator input pin.
Logic High indicates V
Forward rotation: High
Reverse rotation: Low
Pin function
Continued on next page
Unit (resistance:
IN
IN
IN
No. 6181-8/10
1 > V
1 > U
1 > W
IN
IN
IN
2.
2.
2.
)