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Showing 55 results View by: Thread Post Sort by
    Answered
  • TPS54JA20: Operation limits without external bias

    franziskus
    franziskus
    Resolved
    Part Number: TPS54JA20 Team, my customer cannot use external bias supply. How long will the SVR stay operational if Vin drops below 4V? Nominal Vin = 5V..12V but it can drop down to 3.xV shortly (max current during drop is 1-2A) Datasheet says lowest…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54JA20: TPS54JA20RWWR RthjA

    King Tsai
    King Tsai
    Resolved
    Part Number: TPS54JA20 Hello, Team May i know the test condition of RthjA/RthjB/RthjC with JEDEC/TI EVM? customer want to know which should they use to calculate the correct thermal react. or would we simply suggest customer use JEDEC?
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS54JA20: TPS54JA20

    Ian Wang
    Ian Wang
    TI Thinks Resolved
    Part Number: TPS54JA20 Hi Sir, Pls kindly help for some TPS54JA20 questions as below, thanks. 1. Is it need separate (AGND) (PGND), then according layout guide suggest AGND connect to PGND with via? Or it can design all AGND/PGND to a GND, no separate…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54JA20: Internal VCC differences and effect on UVLO and efficiency

    franziskus
    franziskus
    Resolved
    Part Number: TPS54JA20 Other Parts Discussed in Thread: TPS548A29 , TPS548A28 , Team, my customer has a question about the comparison of the follwoing three devices with regard to the internally generated VCC (via internal LDO): TPS54JA20 vs TPS548A28…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS54JA20: TPS54JA20 unencrypted orcad lib

    Guangyan Liu
    Guangyan Liu
    TI Thinks Resolved
    Part Number: TPS54JA20 Dear Team Good day Our customer need to test the TPS54JA20 with 1.5uH inductor input, 3.3V, output 1.0v, 8A The webbench Load transient simulation was failed with 1.5uH inductor He want to use this regulator for Xilinx FPGA…
    • over 5 years ago
    • Power management
    • Power management forum
  • TPS54JA20: Bulk Capacitance

    Richard Hebel
    Richard Hebel
    TI Thinks Resolved
    Part Number: TPS54JA20 I'm using the referenced switching regulator in a design. The Web bench simulation shows no bulk capacitance. I did calculations based on a TI app note that shows the bulk capacitance value is lower than the ceramic input capacitor…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54JA20: What values for inductor

    user6466152
    user6466152
    Resolved
    Part Number: TPS54JA20 Dear all, I created this design https://webench.ti.com/appinfo/webench/scripts/SDP.cgi?ID=D450732A7EEA1A86 which receives power from USB C PD at 15V In the past, I had a different design that received power at 12V from an…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54JA20: PGOOD pin connection

    Reagan Li
    Reagan Li
    Resolved
    Part Number: TPS54JA20 Hi team, The PGOOD pin should always connect to VCC or it could connect to an external voltage rail ? Customer found that if the PGOOD pin of some device (not TPS54JA20 ) pull up to external P3V3, the PGOOD will be high even…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • TPS54JA20: Orcad export doesn't work in Webench

    DARIN
    DARIN
    TI Thinks Resolved
    Part Number: TPS54JA20 Other Parts Discussed in Thread: TPS562202 , TINA-TI , After generating my design for the TPS54JA20RWWR, I was so glad to see that you now offer the export of the schematic and layout to the popular tools. Upon attempting to export…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54JA20: Buck converter shorts itself when load is applied

    user6466152
    user6466152
    Resolved
    Part Number: TPS54JA20 Other Parts Discussed in Thread: TPS25750 , ALLIGATOR Hello everyone, I'm building a power delivery PCB solution for a system that takes USB-C power and outputs 5V to a couple of devices. For the USB-C PD I'm using TPS25750D…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
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