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  • UCC2813-4: Maximum rated VCC voltage for UCC2813-4

    Resolved
    Part Number: UCC2813-4 Tool/software: Hello. The maximum rated VCC voltage of the UCC2813-4 is 12V, but the start threshold voltage is 13.5V. We measured the VCC voltage in the circuit we designed, and the start voltage rose to 12.8V. This exceeds…
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    • Answered

  • UCC2813-4: about overvoltage protection

    Resolved
    Part Number: UCC2813-4 Tool/software: How does an overvoltage work in an overvoltage protection circuit like the one shown above? PC2 detects overvoltage. Please tell me what the roles of the COMP and FB terminals are in this case. Thank you in…
    • Resolved
    • Answered

  • UCC2813-5-Q1: Coefficient of linear expansion

    Resolved
    Part Number: UCC2813-5-Q1 Hi Team, Our customer would like to request the coefficient of linear expansion for UCC2813QDR-5Q1. Regards, Danilo
    • Resolved

  • UCC2813-5-Q1: The RC Pin starts to discharge threshold point

    TI Thinks Resolved
    Part Number: UCC2813-5-Q1 Tool/software: Hi Team It is weird that customer found the device UCC2813QDR-5Q1's RC pin will start to discharge when the Vrc reach to 1.7V but not 2.65V sometimes. I noticed the DS claimed that UCC2813-X increased 2.65V…
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  • UCC2813-4: Efficiency is Low and It seems current flow through the switch only in part time, not in all of Ton time.

    Resolved
    Part Number: UCC2813-4 Hi, I just designed a fly-back DC-DC converter with UCC2813-4. But it seems not work in high efficiency. I checked the waveform and found that the duty cycle is only about 29%. At the same time, there's no current flow through…
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  • UCC2813-5-Q1: Simulation error of UCC2813-5-Q1 in LTspice

    Resolved
    Part Number: UCC2813-5-Q1 Other Parts Discussed in Thread: TLV3501 Hi Team, Our customer encountered an error when he imported the unencrypted PSpice model of UCC2813-5-Q1 to LTspice. The model is not working, showing too many nodes in the simulation…
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    • Answered

  • UCC2813-5-Q1: FLYBACK CONVERTER

    Resolved
    Part Number: UCC2813-5-Q1 I took the help of WEBENCH POWER DESIGNER for design of my Fly back converter of 56 w. My design no. 146.My user Id is info@aeshyd.com. when I click on the transformer, its showing popup with transformer information as CUSTOM…
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    • Answered

  • PCM5100A-Q1: Sampling Frequencies Supported by 4-Wire I2S

    Resolved
    Part Number: PCM5100A-Q1 Could you please confirm whether the only sampling frequencies that operate correctly with 4-Wire I2S are the 10 frequencies listed in Table 10? Also, will the device function properly at a sampling frequency of 24 kHz, which…
    • Resolved

  • UCC2813-5-Q1: Power management forum

    TI Thinks Resolved
    Part Number: UCC2813-5-Q1 I took the help of WEBENCH POWER DESIGNER for design of my Fly back converter of 56 w. My design no. 146.My user Id is info@aeshyd.com . Another clarification required. you said NS1 is secondary and NS2 is auxillary. But the…

  • LM5143A-Q1: Current Imbalance Observed in LM5143A-Q1 4-Phase Synchronous Buck

    TI Thinks Resolved
    Part Number: LM5143A-Q1 Tool/software: Using the 4-phase synchronous buck configuration, Please find the schematic and quickstart design below. 7127.BUCK CONVERTER.pdf LM5143A-Q1 Quickstart Design.pdf we observed the following: In DEM mode with…

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