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  • TPS65251-3: The load transient test condition clarify (the slope rate of the load change us/A)

    TI Thinks Resolved
    Part Number: TPS65251-3 Tool/software: Hi team, Could you clarify the slope rate of the load change in datasheet? TPS65251-x 4.5-V to 18-V Input, High Current, Synchronous Step Down datasheet (Rev. B) (ti.com)
    • Answered

  • TPS65251: difference between TPS65251 and TPS65251-x

    Resolved
    Part Number: TPS65251 Hi Team, Could you show the difference between TPS65251 and TPS65251-x, as well as difference between TPS65251-1, TPS65251-2 and TPS65251-3? I looked at the datasheet but didn't find... thanks a lot. Best regards, …
    • Resolved

  • TPS65251: Output drop during start up

    TI Thinks Resolved
    Part Number: TPS65251 Hi, Team My communication customer is using TPS65251-3 in their small cell products. They find the output voltage will drop during startup, if the outpu voltage is set to > 3.5V. Here is customer schematic. The CH3 of TPS65251…

  • TPS65251-Q1 Unused channel

    Other Parts Discussed in Thread: TPS65251-3 , TPS65251-2 , TPS65251-Q1 , TPS65251-1 , TPS65251 Hello, Please advice how to process following terminals when I do not use back2. LX2 VIN2 BST2 EN2 RLIM2 SS2 CMP2 FB2 Best Regards…

  • RE: TPS65251: Component appears to become inoperable during normal operation.

    Hi, Jordan I review your schematic, it is okay, but layout is bad. I think the issue is caused by bad layout, suggest place 30ea VIAs at thermal pad. I attached a layout guideline for your reference. TPS6525x_LAYOUT_GUIDE.ppt
    • Answered

  • RE: TPS65251: Do you have any calculator for peripheral parts selection like Webench?

    Resolved
    Hi, Kazuya Here is a calculator for peripheral parts selection in EXCEL. 5531.TPS65251 Comp Cal.xlsx

  • TPS65251: Abnormal chip output

    TI Thinks Resolved
    Part Number: TPS65251 Hi Team， The new design of a motherboard scheme, in which the power part uses the circuit of TPS65251 which has been verified before, but when the board comes back, TPS65251 has no output, the old and new schematic diagram is as…
    • Answered

  • RE: TPS65251: Compensation Value calculation

    Resolved
    Hi, Jaya See the reference calculation in the below. TPS65251 Comp Cal.xlsx

  • TPS65251: Buck output pin LX shorting to ground after load applied

    Part Number: TPS65251 Hi I'm using the TPS65251 to create 3 voltage rails and have a design very similar to the reference design in the datasheet and the reference device. When powering on the board with no load I was getting the correct voltages on…
    • Answered

  • TPS652510: Power supply to Artix-7 XC7A35T-2FT256

    Resolved
    Part Number: TPS652510 Other Parts Discussed in Thread: TPS65263 , TPS65261 , TPS65251 Dear TI, I'm going to use this part TPS652510 with 3 rail power in XC7A35T FBGA: - 1V / 2A for VCORE - 1.8V / 2A for VAUX - 3.3V / 3A for VCCIO Since WeBench…
    • Resolved

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