Main features

UM1477

4/22

Doc ID 022373 Rev 1

1

Main features

The characteristics of the STEVAL-IFN004V1 BLDC 6-step driver board are the following:

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DC voltage range from 8 V to 48 V (extendable up to 52 V)

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Maximum load current of 1.4 Ar.m.s. (2.8 A peak) for each output

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Integrated DC-DC regulator (5 V)

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Monolithic power stage in QFN package featuring overcurrent and thermal protections

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Single shunt current sensing

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Control interface through trimmer and buttons

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Debug outputs

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Hall sensor/encoder inputs

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Optimized layout on 4-layer board for high thermal performance.

1.1

Target applications

The demonstration kit is designed to fit all typical low-power BLDC motor applications, for

example:

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Cooling fans

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Pumps