UM0442 datasheet(11/33 Pages) STMICROELECTRONICS

tên linh kiện	UM0442

Giải thích chi tiết về linh kiện	Multiple application platform based on STR750FV2

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UM0442

Hardware configuration and functionality

11/33

In applications where the 5 V supply comes from the motor control connector, all the

jumpers of the power selector must be open.

Of course, if the 5 V is furnished from the STR750-MAP to the MC, choose the appropriate

supply from the power supply selector by closing the corresponding source.

Pay particular attention also when using jumper J15. It allows the user to provide 3.3 V to

the MC connector, when it is closed (jumper J15 is open by default). In any case, 3.3 V

cannot be supplied by the motor control connector.

Figure 9.

34-pin motor control connector

Bus voltage

Current phase A

108

None

Ground

Current phase B

106

None

Ground

Current phase C

104

None

Ground

NTC bypass relay

204

None

Ground

Dissipation brake PWM

100

None

Ground

VCC 5 V

5 V

Heat sink temperature

PFC (Power Factor Corrector)

synchronization

+3V3

3.3 V

PFC PWM

None

Ground

Encoder A

None

Ground

Encoder B

Encoder index

Table 3.

Motor control connector and STR750FV2 pins correspondence

Connector pin

Name

Function

STR750FV2 pin

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