MM1538 データシートの表示（PDF） - Mitsumi

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MM1538

4-ch Motor Driver for Portable CD Players

Mitsumi 

MITSUMI

4ch Moter driver IC for Portable CD Player

Pin Description

Pin No. Pin Name Input/Output

Function

15

VSYS2

Input Driver Pre-step Power Supply

Internal Equivalent Circuit

Pre-Drive Power Supply

16

Vref

Input Reference Voltage Input

16

24kΩ

50kΩ

4

200Ω

17

IN3

Input ch3 Control Signal Input

18

IN4

ch4 Control Signal Input

20

IN2

ch2 Control Signal Input

22

IN1

ch1 Control Signal Input

19

MUTE34 Input ch3 and 4 Mute

21

MUTE2

ch2 Mute

23

BRAKE1

ch1 Brake

24

OUT4R Output ch4 Negative Output

25

OUT4F

ch4 Positive Output

26

OUT3R

ch3 Negative Output

27

OUT3F

ch3 Positive Output

29

OUT2F

ch2 Positive Output

30

OUT2R

ch2 Negative Output

31

OUT1F

ch1 Positive Output

32

OUT1R

ch1 Negative Output

28

POWGND

Power Block Power Supply

Ground

36

HVCC

Input H-Bridge Power Supply Input

33

RCHG

Input Charge Current Setting

11kΩ

17

18

20

20PIN=7.5kΩ

22

68kΩ

19

21

68kΩ

23

36

24

25

26

27

30

29

32

31

28

950Ω

33

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