UM0900 datasheet(25/43 Pages) STMICROELECTRONICS

25 / 43 page

UM0900

Description of jumpers, test pins and connectors

Doc ID 17028 Rev 1

25/43

Description of jumpers, test pins and connectors

The following tables give a detailed description of the jumpers, test pins and the pinout of

the connectors used. Table 4 gives a detailed description of the jumpers. Table 5 gives

a detailed description of the connectors andTable 6 describes all the test pins placed on the

board.

Table 4.

Jumper description

Jumper

Selection

Description

A position

Supplies peripheral on the board with 3.3 V

B position

Supplies peripheral on the board with 5 V

Present

Connects H1 pin of encoder/hall sensor connector to measure phase A

Not present Disconnects H1 pin of encoder/hall sensor connector to measure phase A

A position

Software brake feature applied

B position

Overcurrent protection can be disabled with software

Present

Supplies direct driving board through the J4 connector (max. current 50 mA)

Not present Separated voltage

Present

Connects tachometer signal to measure phase A

Not present Disconnects tachometer signal to measure phase A

A position

Sets the gain of phase B current op. amplifier for three-shunt configuration

B position

Sets the gain of phase B current op. amplifier for single-shunt configuration

Present

Shorts W and V emitters legs - setting for single-shunt configuration

Not present Setting for three-shunt configuration

Present

Shorts V and U emitter legs - setting for single-shunt configuration

Not present Setting for three shunt configuration

Present

Applies shunt resistor to W phase emitter leg

Not present Setting for single shunt configuration

W10

Present

Applies shunt resistor to U phase emitter leg

Not present Setting for single shunt configuration

W11

Present

Sets the gain of phase B current op. amplifier for three-shunt configuration

Not present Sets the gain of phase B current op. amplifier for single-shunt configuration

W12

A position

Sets the same supply voltage for the hall sensor as for the rest of peripheral

B position

Sets 5 VDC supply voltage for hall sensor

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