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Showing 1,329 results View by: Thread Post Sort by
  • UCD3138: Fast interrupt about DPWM period interrupt

    liwei qi
    liwei qi
    TI Thinks Resolved
    Part Number: UCD3138 I want to enable fast interrupt of dpwm period interrupt. The initialize code is as follow: Dpwm3Regs.DPWMINT.bit.PRD_INT_SCALE = 0x04;/* generate an interrupt on each 16 switching cycles(used to reset the integrator) */ Dpwm3Regs…
    • 21 days ago
    • Power management
    • Power management forum
  • Answered
  • UCD3138: Links to Training Videos to Match up with the labs?

    Ryan Laur
    Ryan Laur
    Resolved
    Part Number: UCD3138 Hello, I have only found Training Labs 1-4 for the UCD3138, though I have read there are more? Also, are there links that match each training video to the labs? It seems as though they are scattered and I am having trouble finding…
    • Resolved
    • 7 days ago
    • Power management
    • Power management forum
  • RE: UCD3138PSFBEVM-027: Designing a UCD3138 Controlled PSFB

    Sean Xu
    Sean Xu
    Hello, 60A is reasonable. You may need hardware change. Increase voltage divider after current amplifier so that there is less voltage to AD13. The max voltage to ADC12 is 2.5V.
    • 19 days ago
    • Power management
    • Power management forum
  • UCD3138: UCD3138 single phase pfc

    Mownika Gudupuru
    Mownika Gudupuru
    Part Number: UCD3138 I am using Fusion digital power studio of single phase PFC. 1 - What was the gate driver circuit used in this?? How are the gate pulses given to the Mosfet generated.?? 2 - The pins present in the circuit like Vbus feedback, I rec_feedback…
    • 4 months ago
    • Power management
    • Power management forum
  • UCD3138: UCD3138 emi filter design part

    Mownika Gudupuru
    Mownika Gudupuru
    TI Thinks Resolved
    Part Number: UCD3138 Hi team, For UCD3138 single phase PFC, Could you elaborate on the EMI filter design part which is added before the rectifier ??
    • 4 months ago
    • Power management
    • Power management forum
  • UCD3138: The problem of programming via jtag

    Alexandr Emelyanov
    Alexandr Emelyanov
    TI Thinks Resolved
    Part Number: UCD3138 Other Parts Discussed in Thread: , UNIFLASH When trying to program UCD3138RHA via Jtag, XDS110 shows that I am using UCD3138A and programming is prohibited. UCD3138 is selected in the Target Configuration and the connection test is…
    • 1 month ago
    • Power management
    • Power management forum
  • UCD3138PFCEVM-026: UCD3138 single phase PFC

    Mownika Gudupuru
    Mownika Gudupuru
    TI Thinks Resolved
    Part Number: UCD3138PFCEVM-026 Other Parts Discussed in Thread: UCD3138 Hi Team, I am designing UCD3138 Single phase PFC for 2KW power rating. The compensation is done and stable system is os obtained. I want to know about the Gain margin of the system…
    • 1 month ago
    • Power management
    • Power management forum
  • UCD3138: UCD3138 Flash program erased after turn on and off some times

    Gabriel Wang1
    Gabriel Wang1
    Part Number: UCD3138 Dear Expert We use UCD3138RMH, repeatedly switch the machine about 200 times, read UCD3338 flash program all disappeared, we test our own backdoor program, the backdoor pin also did not move, so now I do not know what is wrong. …
    • 3 months ago
    • Power management
    • Power management forum
  • UCD3138PFCEVM-026: UCD3138 single phase pfc

    Mownika Gudupuru
    Mownika Gudupuru
    TI Thinks Resolved
    Part Number: UCD3138PFCEVM-026 Other Parts Discussed in Thread: UCD3138 Hi , I have read the document of UCD3138 guide. Could you please specify the controller pin values of Irect_fdbk, Vline_sense, Vbus_fdbk ,Vneu_sense ?? My power rating is 2KW so I…
    • 2 months ago
    • Power management
    • Power management forum
  • RE: UCD3138: Schematic Review

    Sean Xu
    Sean Xu
    Hello, There is no component value on the schematic, so it is hard to make adjustment. It is recommended to use a single ground for UCD, but the schematic shows two separate ground. Please refer to SLUA779B for more details.
    • 2 months ago
    • Power management
    • Power management forum
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