OM9375 查看數據表（PDF） - Omnirel Corp => IRF

零件编号

产品描述 (功能)

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OM9375

FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTORS

Omnirel Corp => IRF 

OM9375

Fig 3: Optional Start-Up Circuit

+15V

3.24k

COMMAND

1k

1.50k

FROM MOTOR HALL SENSORS

H3

H2

H1

10uF

+

.1uF

.1uF

10k

.1uF

4700pF

232

232

1

Vcc

2

3

EA1-

EA2+

4

EA1+

5

6

VREF

EA2-

7

EA2_OUT

8

9

EA1_OUT

PWM_IN

10

OSCILLATOR

11

12

I_SENSE

13

ISH

ISL

14

QUAD_SEL

15

16

TACH_OUT

BRAKE

17

OV_COAST

18

19

SOFT_START

GROUND

20

H3_HALL_INPUT

21

22

H2_HALL_INPUT

H1_HALL_INPUT

23

SPEED_IN

24

25

DIRECTION

CSH

26

CSL

43

V_MOTOR

42

PHASE_A_OUT

41

PHASE_A_OUT

40

SOURCE_A

39

SOURCE_A

38

V_MOTOR

37

PHASE_B_OUT 36

PHASE_B_OUT

35

SOURCE_B

34

SOURCE_B

33

V_MOTOR

32

PHASE_C_OUT

31

PHASE_C_OUT

30

N/C

29

SOURCE_C

28

MOTOR_RETURN

27

MOTOR_RETURN

V_MOTOR

C_BUS

+

C_FILT

MOTOR

H1

H2

H3

HALL SENSORS

Fig 4: Implementation of a Voltage-Mode Controller

2.1 - 11

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