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  • TPS564247: Layout check for tps564247 buck converter + ground layout

    TI Thinks Resolved
    Part Number: TPS564247 Tool/software: Hello, please check the layouts i suggest: layout 1: https://imgur.com/KosJpPj layout 2: https://imgur.com/KmwgNLv in layout 1, the big polymer cap is not facing the same direction as other parallel ceramics…

  • TPS564247: Negative output voltage setup

    TI Thinks Resolved
    Part Number: TPS564247 Tool/software: Dear TI Engineer, We plan to use TPS564247 to achieve positive and negative voltage output, with an input voltage range of 3.0V~4.5V, outputs of -2.2V and+0.95V, and a maximum current of 3A, The schematic is as…

  • TPS564247: TPS564247 ripple and noise, schematic check.

    TI Thinks Resolved
    Part Number: TPS564247 Other Parts Discussed in Thread: TPS2117 Tool/software: Hello, I previously made a similar topic here: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1385832/tps564247-tps564247…

  • TPS564247: Short circuit protection for TPS564247 and TPS2117

    TI Thinks Resolved
    Part Number: TPS564247 Other Parts Discussed in Thread: TPS2117 , Tool/software: Hello, i have finished a design using tps564247 buck regulator for both 3.3v and 5v... as well as tps2117 power source switching ic. my max current consumption would…

  • TPS564247: tps564247 schematic and layout check

    TI Thinks Resolved
    Part Number: TPS564247 Tool/software: Hello, I have finished designing my design and need you to check it for me. Here are the images: https://slow.pics/c/5rXOFMiB Quick notes: - input is 12v for both switchers, one outputs 3.3v and the…
    • Answered

  • TPS564247: Vsw undershoots by nearly -2.5V

    Resolved
    Part Number: TPS564247 Tool/software: =================================== Vin=12V Vout=5V Ven = 4V load = 3Ω =================================== Cin1: 22uF x 5 GRM319R61C226ME15 Cin2: 0.1uF x 1 GRM155B31H104KE14D Cout1: 22uF x 3 GRM319R61C226ME15…
    • Resolved
    • Answered

  • TPS564247: Current carrying capacity and minimum pattern width

    Resolved
    Part Number: TPS564247 Tool/software: I used the following formula, which shows the temperature rise and pattern cross-sectional area of ​​MIL-STD-275E, as a reference. RefURL : keisan.casio.jp/.../1663912785 A: Cross-sectional area [mm^2] ..…
    • Resolved
    • Answered

  • TPS564247: Fsw range

    Resolved
    Part Number: TPS564247 Hi Team, Customer requested Fsw range SPEC. DS only provides TYP value. Could you kindly advise MIN and MAX value for Fsw? TPS564247: Thanks and best regards, Terry
    • Resolved
    • Answered

  • TPS564247: CIN parts selection

    Resolved
    Part Number: TPS564247 This is not only for TPS564247 but for 12V VIN cases. I used WEBENCH and got the report. -- Input -- VIN 12V VOUT 1V IOUT 3A -- Report -- TPS564247DRLR CIN GRM21BR61E106MA73L x2 Frequency 1.244 MHz Vin p-p 33.993 mV CIN capacitor…
    • Resolved

  • TPS564247: TPS563231DRLR + TPS564247DRLR selection of capacitors and total output ripple

    TI Thinks Resolved
    Part Number: TPS564247 Other Parts Discussed in Thread: TPS563231 , , TPS562208 , TPS62914 , TPS62913 Tool/software: Hello, I saw these 2 TI parts, i require very low output ripple which reach less than 15mv p-p total figure. I checked the datasheets…

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