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XIO2001EVM: Pi filter parts selection

Part Number: XIO2001EVM

Hello team,

Could you please help me to modify pi filter inductor on EVM for my design? The default part is too large in for my application.

  1. About UP4B-100-R at VDD_15_PLL, is it OK to replace to Murata BLM18AG221SN1 if it meets 220Ohms at 100MHz (>200mA rating)?
  2. About BLM21BB221SN1 at VDDA_33/VDDA_15, DS doesn't mention specific requirement. Is it OK to replace it to similar parts like BLM18BD331SN1?



  • Hi Itoh-San,

    1). Yes it is ok to replace with BLM18AG221SN1. This part also has 0.25-ohm DC resistance.

    2). Suggestion is to stay with BLM21BB221SN1 since this part has lower DC Resistance and twice as much rated current. Or you can use BLM18AG221SN1 for this as well. This way the customer buys two parts and cost could could be lower.

    Regards,, Nasser