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  • RE: TPS65251: Behavior in cold temperature

    Resolved
    Hi Sam, Thank you for the reply! We use TPS65251EVM with only one modification - R12 replaced by 5.97kOhm (in order to have 6.2V output voltage). this is the oscillograph screenshot for -40C (AC coupled): also, the level of the output voltage…

  • RE: part in we bench

    There is an EVM available. It is a complete assembled PCB with schematic and BOM: www.ti.com/.../tps65251evm

  • Low power operation of TPS65251

    Other Parts Discussed in Thread: TPS65251EVM Hi! If see datasheet 7 Page, We can see IDDQ(Lo)/IDDQ_LOW_P(Hi) Current value. - IDDQ(Low Power Enable : Lo): 20mA, - IDDQ_LOW_P(Low Power Enable : Hi) : 1.5mA Our customer did test Low Power Mode using…
    • Answered

  • RE: regulated output

    Resolved
    Hello Sakthivel The lower output voltage should be ok. I'm afraid that I misread the datasheet when I said that a 3A output was not possible. You are correct, I would expect that you can get the 7.5V/3A, 9V/2A, 5V/1A outputs you want. I can't help…

  • TPS65251 Efficiency

    Other Parts Discussed in Thread: TPS65251 , TPS65251EVM I purchased a TPS65251EVM eval board for verification of this part for a new design, but I’m not measuring efficiencies anywhere near what’s show in the TPS65251 datasheet. For example, buck 3…
    • Answered

  • TPS65251: EVK SCHEMATIC

    Resolved
    Part Number: TPS65251 Hi TI, Could you share EVK-TPS65251 schematic ? Could I use this part in designing power Artix-7 FPGA or obsolete ? Thanks
    • Resolved

  • 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

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