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TPS65186: Asking for solution to replace MAX17135

SHH
Mastermind 30301 points
Part Number: TPS65186
Other Parts Discussed in Thread: TPS65185

Hi Team,

Customer would like do E paper application.

Originally we propose TPS65186 to replace the MAX17135.

However, TPS65186 PMIC spec, it can boost max 16v  for VPOS function. TPS65186 cannot use for this case. Can you provide your comment or recommend new part for this application?

EPD ES133UT1 spec:

please refer to the reference schematic here. password: epaper

ppmic.zip

Thanks,

SHH

  • 0
    TI__Intellectual 1360 points

    SHH,

    TPS65185 and TPS651851 can replace MAX17135. You are comparing two differnt rails. PMIC has only 4 output rails that go to display.

    LDO1: 15V  (VPOS)

    LDO2: -15V (VNEG)

    CP1: 22V (VGH) voltage can be changed by external FB resistor.   

    CP2: -20V (VGL) voltage can be changed by external FB resistor

    VGH can be changed to 27V as required by system by changing FB resistor value.

    Thanks,

    Jay