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ISO5852S: What does ISO5852S Split Outputs to Provide 2.5-A Peak Source and 5-A Peak Sink Currents

Hao Qin1
Prodigy 90 points
Part Number: ISO5852S
Other Parts Discussed in Thread: UCC256302

Hi All,

I used ISO5852 as IGBT driver for PMSM. In the datasheet, it said: "Split Outputs to Provide 2.5-A Peak Source and 5-A Peak Sink Currents". Does it mean each ISO8252 need provide 2.5-A peak source and 5-A peak sink currents to each IGBT. If I used 24VDC power to provide to ISO5852, and I have 6 ISO5852s and 6 IGBTs, I need prepare 6x5=30A maximum for 3 phase PMSM. If I use UCC256302 to generate 24VDC power for the driver and IGBT, the output current Iout = 30A for maximum. Is my calculation for the current for my driver to IGBTs correct? Or can you let me know the different calculation for the current of driver for IGBTs?

Best,

Hao

  • 0
    TI__Genius 9301 points

    Hi Hao,

    Welcome to the forum! I see the same question got posted in 3 different threads. I'll go ahead and close this duplicate thread. The original has already been assigned to a team member and they will get back to you shortly. 

    Best regards,

    Leslie