OM9375 datasheet(11/12 Pages) ETC1

Part #	OM9375

Description	25 Amp. Push-Pull 3-Phase Brushless DC Motor Controller/Driver Module in a Power Flatpack

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OM9375

Fig 3: Optional Start-Up Circuit

C_FILT

232

4700pF

.1uF

3.24k

1.50k

1k

.1uF

C_BUS

+

10uF

+

.1uF

10k

Vcc

1

VREF

5

OSCILLATOR

10

PWM_IN

9

EA1_OUT

8

EA1+

4

EA1-

2

SOFT_START

18

I_SENSE

11

ISH

12

ISL

13

QUAD_SEL

14

DIRECTION

24

SPEED_IN

23

EA2_OUT

7

EA2+

3

EA2-

6

BRAKE

16

TACH_OUT

15

GROUND

19

V_MOTOR

43

PHASE_A_OUT

42

PHASE_A_OUT

41

SOURCE_A

40

SOURCE_A

39

V_MOTOR

38

PHASE_B_OUT

37

PHASE_B_OUT

36

SOURCE_B

35

SOURCE_B

34

V_MOTOR

33

PHASE_C_OUT

32

PHASE_C_OUT

31

N/C

30

SOURCE_C

29

MOTOR_RETURN

28

MOTOR_RETURN

27

H1_HALL_INPUT

22

H2_HALL_INPUT

21

H3_HALL_INPUT

20

CSH

25

CSL

26

OV_COAST

17

H3

H2

H1

H3

H2

H1

V_MOTOR

COMMAND

+15V

HALL SENSORS

FROM MOTOR HALL SENSORS

MOTOR

Fig 4: Implementation of a Voltage-Mode Controller

2.1 - 11

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OM9375 Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers

OM9375 Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers

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