mm1538 Mitsumi Electronics, Corp., mm1538 Datasheet - Page 2

• Manufacturer Part Number: mm1538
• Description: 4-ch Motor Driver For Portable Cd Players
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
Block Diagram
PREGND
CHGVcc
PWMFIL
AMUTE
START
HVcc
PSW
EMP
CLK
OFF
SEL
34
35
36
37
38
39
40
41
42
43
44
CLK
TSD
RCHG
BSEN
33
1
BATT
OUTIR
32
2
RESET
OUT1F OUT2R
31
3
BTL
DETECTION
MAXIMUM
DEAD
30
4
OUT2F POWGND OUT3F
SW
29
5
BTL
OVER-VOLTAGE
EO
28
6
TSD
4-ch Motor Driver for Portable CD Players MM1538
BTL
EI
27
7
OUT3R OUT4F
SPRT
26
8
TRIANGLE WAVE
BTL
C
25
9
T
V
V
V
V
/
I
/
I
/
I
/
I
OUT4R BRAKE1
N.C.
24
PRE-DRIVER POWER SUPPLY
10
BRAKE1
OP-
23
11
22
21
20
19
18
17
16
15
14
13
12
IN1
MUTE2
IN2
MUTE34
IN4
IN3
Vref
VSYS2
OP+
OP
VSYS1
OUT