µPD16837

8

Data Sheet S12764EJ2V0DS

BLOCK DIAGRAM

19

VDD

8VM1

1A

1B

PGND1

VM2

2A

2B

PGND2

VM3

3A

3B

PGND3

VM4

4A

4B

PGND4

5

7

6

12

9

11

10

23

20

22

21

25

27

24

26

1

IN1

IN2

SEL1

IN3

IN4

SEL2

IN5

IN6

SEL3

IN7

IN8

SEL4

DGND

LVP

2

3

13

14

15

16

17

18

28

29

30

4

Control circuit 1

H-bridge 1

Control circuit 2

H-bridge 2

Control circuit 3

H-bridge 3

Control circuit 4

H-bridge 4

Cautions1. Connect all VM and GND pins.

2. Internally pulled down to GND via 50 k

Ω.

3. LVP (Low-voltage prevention circuit) operates by VDD = 2.5 V (TYP.).