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    Answered

  • RE: PMP20637: UCD3138 source code

    Resolved
    Hi Sheng-yang, Can you share the UCD3138 source code for PMP20978 with me please.? Regards Ajit

  • PMP20637: Bi-directional DC-DC converter

    TI Thinks Resolved
    Part Number: PMP20637 Hello, PMP-20637 This is a 390V to 48V DC-DC to converter. Correct? Is it b-directional? If the Input voltage has no ripple what is the expected ripple in the output We found test file (attached). We do not seem to be able to…

  • PMP20637: UCD3138

    TI Thinks Resolved
    Part Number: PMP20637 Other Parts Discussed in Thread: UCD3138 Hello: It is a bit tricky to find a firmware associated with a design guide. I tried to look up one for PMP20637 high power HB LLC design guide using UCD3138 but just did not load up the search…

  • PMP20637: PMP11432

    TI Thinks Resolved
    Part Number: PMP20637 Other Parts Discussed in Thread: UCD3138 , , PMP20289 Pl see attached pdf that highlights primary current used in the UCD3138 control card. But where is this IPS generated? In the C2000, FB-LLC, one has a clear circuit in the primary…

  • PMP20637: UCD3138 comparison

    Part Number: PMP20637 Other Parts Discussed in Thread: UCD3138 I watched with great interest comparison video between Phase Shifted Full Bridge & FB-LLC --- done a while ago by someone at TI Let us recast some conclusions in light of superb performance…

  • TIDA-010062: switching freq

    TI Thinks Resolved
    Part Number: TIDA-010062 Other Parts Discussed in Thread: PMP20637 , PMP20978 , Hi, We are aiming at 96+% efficiency for PFC+LLC at 750W. The design has tight spacing requirements ~ 45W/in3 for the inner room. The casing is designed to dissipate 30W with…
    • Answered

  • TMS320F280025: LLC power supply using GaN

    Resolved
    Part Number: TMS320F280025 Hi experts, My customer wants to realize the LLC digital power supply of C2000 with GaN. Is there anything similar to the reference design in the link below that uses the C2000? If not, are there any plans for a future release…
    • Resolved

  • RE: CCS/UCD3138: UCD3138A 40PIN LLC open loop firmware

    Hi, The code I have for PMP20637 is attached. 1MHz LLC code 20190111_UVLO disabled.zip Regards, Sheng-Yang Yu
    • Answered

  • RE: JTAG isolation during testing

    Resolved
    Hi Daniel, Thanks for your inputs. Regarding isolated power supply solution for isolated date drive circuit, SN6505B based solution is ideal. Many gate drive reference designs, for both GaN and IGBT based designs, use SN6505B for isolated power supply…

  • RE: GaN charging reference design

    Hello, Thanks for contacting us. Please check TIDM1007 and PMP20637 reference designs for GaN based PFC and LLC solution. Regards,

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