mm1538 Mitsumi Electronics, Corp., mm1538 Datasheet - Page 12

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

MITSUMI
Electrical Characteristics
Measuring Circuit
<Battery Charging Circuit>
SEL Pin Saturation Voltage
RCHG Pin Output Resistance
SEL Pin Leak Current 1
SEL Pin Leak Current 2
47µ
33µ
100µ
51k
47
Item
a
a
a
a
b
b
a
b
c
a
b
a
b
a
b
SW20
V
SW21
SW22
SW23
SW24
SW25
SW26
SW27
a
A
10p
SW28
b
34
35
36
37
38
39
40
41
42
43
44
100k
2200p
AMUTE
EMP
HVcc
PSW
CLK
START
OFF
CHGVCC
SEL
PREGND
PWMFIL
1.8k
a
b
SW19
SW1
Symbol
a
I
I
V
R
A
SELLK1
SELLK2
SELCG
RCHG
33
SW2
1
A
a
(unless otherwise specified, Ta=25°C , BATT=2.4V, VSYS1=VSYS2=3.2V,Vref=1.6V,
CHGVcc=0V,fCLK=88.2kHz)
V
32
b
2
A
SW3
31
a
V
3
A
MM1538XQ
b
CHGV
CHGV
CHGV
CHGV
30
SW4
4
a
V
29
Measurement Conditions
5
b
CC
CC
SW5
10k
CC
a
CC
=4.5V, RCHG=OPEN, BATT=4.5V
=0.6V, RCHG=1.8kΩ, BATT=4.5V
V
28
=4.5V, Io=300mA, RCHG=0Ω
6
=4.5V, RCHG=0.5 and 0.6V
b
4-ch Motor Driver for Portable CD Players MM1538
27
7
a
a
SW6
V
26
8
SW7
A
b
25
9
SW8
a
24
10
b
10k
470p
b
V
23
11
SW9
a
SW10
V
MUTE34
1M
MUTE2
VSYS2
VSYS1
a
OP
OP+
Vref
IN1
IN2
IN4
IN3
d
c
b
OUT
100k
20k
470µ
22
21
20
19
18
17
16
15
14
13
12
Min. Typ. Max. Unit
SW18
0.75
b
V
V
V
a
b
SW16
SW15
SW14
SW13
R
a
SW12
SW11
V
V
0.95
0.45
a
B
F
V
b
a
b
a
b
a
b
a
b
a
SW17
10µ
50
1k
1.20
1.00
1.0
1.0
kΩ
µA
µA
V