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Visitor II
April 22, 2022
Question

HSD-VND7140AJTR, gives VSenseH(5V) at the Multi-Sense pin of HSD.

  • April 22, 2022
  • 0 replies
  • 1089 views

We are interfacing HSD to drive DC-Motor with STM8-MCU.

We are expecting current sensing output at the Multi-sense pin of HSD.

Selection of Channel is as per datasheet of VND7140AJTR.

But, when Motor is ON, and Channel-0 is selected for CURRENT sense, we have observed 5V on Multi-sense pin of HSD.

We observe voltage of around 2.5V, even if there is NO LOAD connected to the HSD output.

Please see attached waveform.

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