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  • LM51772: Design Review LM51772

    Part Number: LM51772 Email Technical Support Request – LM51772 Output Voltage Configuration and Load IssueTechnical Support Request – LM51772 Output Voltage Configuration and Load Issue Hi Ti, We have developed a power supply design based on the…

  • LM51772: Maximal Vout On LM51772

    Part Number: LM51772 Hi TI, What is the maximum voltage LM51772 Can Output ? We need Vout of more than 50V 3A and we need to change Vout dynamically throw I2C Vin Battery - 8 to 16V 15A Is that IC support 50V output dynamically ?? Can…
    • Answered

  • LM51772: LM51772: UVLO Equation

    Resolved
    Part Number: LM51772 Hi Team, Can you please clarify the constants in the UVLO equation? The "Vit+(UVLO)" and "I(UVLO,hyst)"... does this align with... Vit+(UVLO) => V_T+(UVLO) (1.23V min - 1.25 typ - 1.27V max) I(UVLO,hyst) => I_UVLO (4uA min…
    • Resolved

  • LM51772: LM51772 PG pull down and Vout drop issue.

    Part Number: LM51772 Hi sir, Customer has LM51772 PG pull down and Vout drop issue. Vout default 12V, Issue was: The Vout 12V just keep around 100ms-120ms when Enable voltage gets H, but PG will drop after 100ms-120ms. Mosfe_H_Gate & Mosfe_L_Gate…

  • LM51772: LM51772 BOARD INITIAL CURRENT DRAW AND ERROS

    TI Thinks Resolved
    Part Number: LM51772 Other Parts Discussed in Thread: LM251772EVM-PD Hi team, I have made a a custom board with LM51772. PFA the schematics. Phloton-TEC-CB_V0R0.pdf The startup behavior is weird. My input voltage is 12V from a Programmable PS. As…
    • Answered

  • LM51772: LM51772 Design tool

    Resolved
    Part Number: LM51772 Which design tool is most accurate Webbench Power Designer or the spreadsheet based design tool? Design created in Webbench get several parameters redflagged in the spreadsheet. So which tool to beleive? Br Steen
    • Resolved

  • LM51772: LM51772 register setting

    TI Thinks Resolved
    Part Number: LM51772 Hi sir, Customer use CPU to control LM51772 via I2C. Their first time to use, so that they are asking if there's any SW control guide, flow chart, initial code...etc. Thanks a lot!

  • LM51772: LM51772 No errors but no output

    Part Number: LM51772 Greetings, I have built a buck-boost test design rated for 50 A using the LM51772 with GaN FETs in parallel and their respective drivers. Communication with the IC over I2C works reliably, and I’ve been able to configure the registers…

  • LM51772: LM51772 Does not produce the expected output

    Part Number: LM51772 Based design on WEBENCH design. I have attached a zip file with the schematic from the WEBBENCH design, my schematic, top & bottom layout. The PCB is 8-layer with some of the connections on the inner layers. The output should…
    • Answered

  • LM51772-Q1: lm51772‑q1 DTRK sensitivity

    Resolved
    Part Number: LM51772-Q1 Hello, I am working on the development of a DC/DC converter with an adjustable output voltage. I want to use the DTRK pin to vary the output voltage. I am using a 500 kHz PWM and I observe that the voltage variation is only possible…
    • Resolved

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