UM0428

Board architecture

11/27

5.2

Mains connector

A mains connector is used to supply the board. Connect the mains between pin 2 and 3 of

J6.

Pin 1 of J6 is used to connect to earth. It is also possible to connect the chassis of the motor

to pin 1 of J5.

Figure 7.

Mains connector

16

Ground

VSS

17

Phase B current

MCCFI

18

Ground

VSS

19

Phase C current

20

Ground

VSS

21

NTC PYPASS RELAY

22

Ground

VSS

23

Dissipative BRAKE

PC2

24

Ground

VSS

25

5 V

VDD

26

HEATSINK temperature

AIN0

27

PFC SYNC

ICAPx_B

28

3V3

29

PFC PWM

OCMP1_B

30

Ground

VSS

31

ENCODER A

MCIA

32

Ground

VSS

33

ENCODER B

MCIB

34

ENCODER INDEX

MCIC

Table 4.

Motor control connector (continued)

Pin N.

Description

Pin on ST7MC