mm1538 Mitsumi Electronics, Corp., mm1538 Datasheet - Page 6

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

MITSUMI
Pin Description
Pin No.
15
16
17
18
20
22
19
21
23
24
25
26
27
29
30
31
32
28
36
33
Pin Name Input/Output
POWGND
MUTE34
BRAKE1
MUTE2
OUT4R
OUT3R
OUT2R
OUT1R
OUT4F
OUT3F
OUT2F
OUT1F
VSYS2
RCHG
HV
Vref
IN3
IN4
IN2
IN1
CC
Output
Input
Input
Input
Input
Input
Input
Driver Pre-step Power Supply
Reference Voltage Input
ch3 Control Signal Input
ch4 Control Signal Input
ch2 Control Signal Input
ch1 Control Signal Input
ch3 and 4 Mute
ch2 Mute
ch1 Brake
ch4 Negative Output
ch4 Positive Output
ch3 Negative Output
ch3 Positive Output
ch2 Positive Output
ch2 Negative Output
ch1 Positive Output
ch1 Negative Output
Power Block Power Supply
Ground
H-Bridge Power Supply Input
Charge Current Setting
Function
4-ch Motor Driver for Portable CD Players MM1538
16
17
18
20
22
Internal Equivalent Circuit
19
21
23
Pre-Drive Power Supply
24kΩ
50kΩ
33
24
26
30
32
20PIN=7.5kΩ
11kΩ
950Ω
68kΩ
36
28
68kΩ
200Ω
25
27
29
31
4