ICs for Compact Disc/CD-ROM Player
AN8746SA
PWM driver IC for portable CD player
s
Overview
The AN8746SA is a 4-channel actuator/motor
drive IC by DMOS direct PWM method for a
portable CD player.
11.0±0.3
32
17
Unit: mm
s
Features
•
R
ON
=
1.8
Ω
(typ.)
•
Supply voltage range
(Control block: 2.0 V to 3.6 V, power block: 1.2 V
to 3.6 V)
•
Current at standby
(Control block: 1
µA
or less, power block: 1
µA
or
less)
•
With an output pin of monitoring 1/2 of the power
supply voltage
0.65±0.10
1.5±0.2
1
16
6.1±0.3
8.1±0.3
(0.5)
0.2
+0.10
–0.05
(0.625)
0.65
0.3
–0.05
Seating plane
SSOP032-P-0300
s
Applications
•
Portable CD player
s
Block Diagram
PGND4
PGND3
0.1±0.1
+0.10
0.65±0.10
V
GO
18
15
N.C.
V
M4
32
31
30
29
28
27
26
25
24
23
22
21
20
19
Logic circuit
Reset
TSD
Pre-
driver
H
bridge
H
bridge
Logic circuit
Pre-
driver
V
G
limiter
VBG
Pre-
driver
V
M1
monitor Logic circuit
H
bridge
H
bridge
Pre-
driver
Logic circuit
10
11
12
13
14
Fi1
Ri1
Ro1
PGND1
Fo1
Fo2
PGND2
Ro2
Ri2
MON
Fi2
GND
V
M1
V
C
V
M2
16
1
2
3
4
5
6
7
8
9
17
V
M3
Ro4
Ro3
V
GI
Fo4
Fo3
Ri4
Ri3
AC
Fi4
Fi3
PC
1
PANASONIC [ PANASONIC SEMICONDUCTOR ]
