AN8488SB
s
Application Circuit Example
ICs for Compact Disc/ CD-ROM Player
VM1
=
12 V
FIN1 SG
R
CS
=
0.6
Ω
M
29 VM1
VM2
4 VN
34 CS
36 A1
35 A2
32 A3
7 VP
V
CC2
H1+ 16
H1− 17
H2+ 18
Hall
amp.
H2− 19
matrix
Direction
changeover
Lower side
distribution
Direction
detection
Detection
Hall
bias
EA
Absolute
value
VTL
Start/stop
Thermal
protection
circuit
FG
Brake comparator
circuit
ER
Logic
EP
=
ER
×
EA
1 VM2
2
Amp.
Upper side
distribution
Amp.
Upper
side
power
Lower
side
power
Reset
V
CC2
det
.
H3+ 20
H3− 21
VH 23
V
REF
det.
Servo
torque
command
EC 27
ECR
26
S/S 25
V
CC1
22
PCI 28
BRK 15
FG 14
SLIN
11
PG1 1
PG2 2
PC
0.1
µF
S/S: High: SPD block on and driver block on
Med: SPD block off and driver block on
Low: SPD block off and driver block off
Low: Short brake
High: Reverse rotation break
R
IN
=
10 kΩ
V
CC
=
5 V
FG signal
SLIN
8
V
REF
12
5
10
9
PANASONIC [ PANASONIC SEMICONDUCTOR ]
