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Home/ICE3PCS01G

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harpoon
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harpoon
Asked: December 26, 2022In: Power Management

ICE3PCS01G Vref(5v) not coming?

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We have developed 2kW PFC Board with ICE3PCS01G. When I did first power on with 12.15VDC,  Vref not coming from IC. After that I replace the new chip, then it worked fine. But again after changing the nearest components during ...Read more

We have developed 2kW PFC Board with ICE3PCS01G.
When I did first power on with 12.15VDC,  Vref not coming from IC. After that I replace the new chip, then it worked fine. But again after changing the nearest components during troubleshooting, the same problem came (vref gone), But ICOMP=5V is coming. 4 nos of IC got damaged and the same problem coming.

please suggest a solution.

Read less
ICICE3PCS01GuartusbVref
  1. Alex thomas
    Added an answer on December 27, 2022 at 10:05 am

    Thanks for your Question. For the IC, the turn-on voltage is between 11.5~12.9V, turn of is between 10.5~11.9V. So, for 12.15V, if the Vcc is from 12.9V down to it, the IC will run. If VCC is from 10V up to 12.15V, the IC is off and can't work.

    Thanks for your Question.

    For the IC, the turn-on voltage is between 11.5~12.9V, turn of is between 10.5~11.9V.

    So, for 12.15V, if the Vcc is from 12.9V down to it, the IC will run. If VCC is from 10V up to 12.15V, the IC is off and can’t work.

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