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Showing 16 results View by: Thread Post Sort by
  • Brian Berner
    Brian Berner
    • over 2 years ago
    • Power management
    • Power management forum

    RE: TPS65218: About the Ripple of DCDC4 for D0 and B1

    Yimin, The TIDA-00606 reference design test report is a good resource for test data on DCDC4. Attached for your convenience are the two scope shots relevant to this discussion: DCDC4 static ripple measurement DCDC4 dynamic load response...
  • Brian Berner
    Brian Berner
    • over 2 years ago
    • Power management
    • Power management forum

    RE: TPS65218: TPS65218

    Madhusoodana Bairy, The current limit setting is a maximum value. These numbers only apply to when the load switch would shut itself off due to over-current. If you set LS3ILIM[1:0] = 00b this means the the maximum current that will flow through the...
  • Brian Berner
    Brian Berner
    • over 2 years ago
    • Power management
    • Power management forum

    RE: TPS65218D0: TPS65218D0 EVM

    Iwasaki-san, Where do you see an EVM named "TPS65218D0 EVM"? There is only 1 EVM, TPS65218EVM-100, and the BOM simply shows it is using "TPS65218". I am working on updating all collateral to use TPS65218D0, both in documentation...
  • Brian Berner
    Brian Berner
    • over 2 years ago
    • Power management
    • Power management forum

    RE: TPS65218: About DCDC5/DCDC6 is turned off issue

    The problem seems to be the C139 220uF electrolytic capacitor at the input of your design (connected to IN_BIAS and all other IN_xxxx pins on the TPS65218D0 PMIC.) This capacitor is marked DNI on the TPS65218EVM-100, and should be marked as DNI on...
  • Brian Berner
    Brian Berner
    • over 2 years ago
    • Power management
    • Power management forum

    RE: TPS65218: DCDC1-3 switching freqency on TPS65218

    Iwasaki-san, I repeated your tests and the first thing I would like to point out is that this is not the correct use of the term "unstable". The DC-DC converter is not unstable and this cannot be determined from measuring the switching node...
  • Anton Gremiatskyi
    Anton Gremiatskyi
    • over 4 years ago
    • Power management
    • Power management forum

    Changning voltage DCDC1 and DCDC2 TPS65218

    Hi, I bought board TPS65218EVM-100 for testing. I am planning use this chip in new project. And I have some problems: – I could not change voltage on DCDC1 and DCDC2. I can change voltage on DCDC3, DCDC4 and LDO1, but I cannot change DCDC1 and...
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