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Alternative to ADUM6211 (Dual-Channel Isolators with Integrated DC-to-DC Converters)

Josef Alt
Intellectual 1645 points
Other Parts Discussed in Thread: ISOW7821, ISOW7741, ISOW7841

Hi,

do we have an alternative to the ADI ADUM6211?

The TI BOM tool does not list anything.

BR Josef 

  • 0
    TI__Guru 53095 points

    Hi Josef,

    Thanks for reaching out.

    ADuM6211 is available in 20-pin SSOP package as against their conventional 16-pin SOIC package of ADuM6201. Hence, we do not have a direct pin-to-pin replacement device for this. If pin-to-pin compatibility is not a requirement, then you could use the ISOW7821 that supports similar functionality but in a different package while offering much higher output power.

    Since these device integrate a DC/DC converter that is switching at a very high frequency, meeting radiated emissions (RE) requirements of customer's application can be challenging based on the RE standard and limits. If RE performance is important then I recommend customer to consider our second generation ISOW device, ISOW7741, which offers significant improvements over the first generation devices, ISOW78xx.

    I am copying below a link to another E2E post that summarizes the differences between ISOW7841 and ISOW7741 and also presents the RE performance of ISOW7741. Let me know if you have any questions, thanks.

    https://e2e.ti.com/support/isolation-group/isolation/f/isolation-forum/985520/isow7741-emc-inquiry


    Regards,
    Koteshwar Rao