UM0723 datasheet(24/48 Pages) STMICROELECTRONICS

24 / 48 page

Hardware setting of the STEVAL-IHM023V2

UM0723

24/48

Doc ID 15870 Rev 4

Hardware setting of the STEVAL-IHM023V2

The STEVAL-IHM023V2 demonstration board can be driven through the J5 motor control

connector by various MCU control units released by STMicroelectronics which feature

a unified 34-pin motor connector (STM3210B-EVAL, STM32F100-EVAL, STEVAL-

IHM022v1, STM32F10E-EVAL, etc.). The demonstration board is suitable for both field

oriented and scalar controls. In particular, it can handle output signal conditioning for

different types of speed and/or position feedback sensors (such as tachometer, Hall

sensors, and quadrature encoders) and different current sensing topologies (single-shunt

resistor placed on DC bus or three-shunt resistors placed in the three inverter legs).

4.1

Hardware settings for six-step (block commutation) control

of BLDC motors

To drive any motor, the user must ensure that:

●

The motor control demonstration board is driven by a control board that provides the

six output signals required to drive the three-phase power stage

●

The motor is connected to the J2 motor output connector

●

If using an encoder or Hall sensor connection, it is connected to connector J4

●

If using a tachometer connection, it is connected to connector J8

●

If using the brake control feature, connect a dissipative power load to J6 connector

Table 2 below shows the jumper settings for any BLDC high-voltage motors in six-step

(block commutation) control. Please confirm that the demonstration board input voltage is in

the range of 125 VDC to 400 VDC or 90 VAC to 285 VAC. If the voltage doubler is applied,

the input voltage must be in the range of 65 VAC to 145 VAC.

Table 2.

Jumper settings for high-voltage BLDC motor in six-step

control

Jumper

Settings for any HV motor in six-step control

“3.3 V” position for VDD = 3.3 V

“5 V” position for VDD = 5 V

“HIGH VOLTAGE” position

Present for Hall sensor or encoder

Not present for connected tachometer

“R_BRAKE” position for software handling of resistive brake (if any)

“OCP OFF” position for software handling of overcurrent protection disabling

Present for supplying stage from IHM023V2 (max. 50 mA)

Present for connected tachometer

Not present for connected Hall sensor or encoder

Single-shunt

W10

Not present

W11

Not marked position

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