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BQ33100EVM-001: design consideration

Sam Ting
Expert 3600 points
Part Number:

Hi team,

My customer wants to duplicate the EVM design and looks for alternatives for external components. Could you please comment on the following questions? Thanks for your support!

- Can the following materials be substituted?

Q4 & Q5_Si1023X => Si2301CDS

Q6_Si4435DDY => FDMC4435BZ

Q9_BSS223PW => Si2301CDS

-  Could you provide the selection rules for alternative materials

Q7_2SD1758TLR => 

Q8_ZXMN3A14FTA => 

Best regards,

Sam Ting

  • 0
    Prodigy 140 points

    2SCR573D3 maybe replace 2SD1758 in BQ33100 EVM design?

  • 0
    Prodigy 140 points

    2SCR573D3 maybe replace 2SD1758 in BQ33100 EVM design?

    Sam Ting said:

    Part Number: BQ33100EVM-001

    Hi team,

    My customer wants to duplicate the EVM design and looks for alternatives for external components. Could you please comment on the following questions? Thanks for your support!

    - Can the following materials be substituted?

    Q4 & Q5_Si1023X => Si2301CDS

    Q6_Si4435DDY => FDMC4435BZ

    Q9_BSS223PW => Si2301CDS

    -  Could you provide the selection rules for alternative materials

    Q7_2SD1758TLR => 

    Q8_ZXMN3A14FTA => 

    Best regards,

    Sam Ting

  • 0
    TI__Guru** 105760 points

    Hello Sam,

    The ZXMN3A14FTA is still an active part, I would recommend using the same components as the EVM unless your application specifications are outside of the EVM ratings, then it depends on your application. If the parts are discontinued any component with similar characteristics can be substituted. From reviewing some of the parts suggested they have similar characteristics and should operate fine with the BQ33100.

    If the FETs have similar turn on voltage and the BJT has similar gain and current requirements the component can be substituted. 

    Sincerely,

    Wyatt Keller