Motor control demonstration

UM0428

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7.5.2

Changing the current hardware protection level

The hardware protection level has been set by design to 4 amps but it is possible to change

this value soldering one (or three) resistor(s) of specific value as described in Figure 13.

Figure 13.

Changing the divider factor to increase the current protection level

If the system is configured for single-shunt, only R114 must be soldered. If the system is

configured for three-shunt, R114, R101, R123 must be soldered.

The value of the resistor(s) express in k

Ω can be calculated from the following formula:

Equation 1

Note:

Read how to change the software current limitation in the control board user manual

R

I

MAX

5

------------

1

–

1

–

=