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  • 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 other 5v…

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

    Hi Hossam, You can read the datasheet TPS564247 data sheet, product information and support | TI.com and EVM User's Guide https://www.ti.com/lit/ug/sluucj5/sluucj5.pdf first. Most of your questions can be answered. You can buy or apply for a EVM board…
    • 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
    • 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

  • TPS564247: Reliability of IC over complete temperature range

    TI Thinks Resolved
    Part Number: TPS564247 I am using the TPS564247 for our application. Usually the IC junction temperature is well below the limit but In worst case conditions the thermal junction temperature of the IC can raise upto 124deg celcius. Does operatig the…
    • Answered

  • TPS564247: Output Current

    Resolved
    Part Number: TPS564247 Other Parts Discussed in Thread: TPS566247 , TPS565247 Hello, This device is advertised as a 4A device, but the recommended operating conditions list the max output current as 6A. Can this device operate up to 6A or is that a typo…
    • Resolved

  • TPS564247: Thermal Issue

    TI Thinks Resolved
    Part Number: TPS564247 I am using TPS564247DRLR for 2.8VDC with a maximum load of 2.5A in worst case peaks. Nominal current is usually 100mA at the 2.8V output. Still i have done all the tests with 2.5A to have a worst case temperature rise. I have considered…
    • Answered

  • TPS564247: Design Review for Phase and Gain margin

    Resolved
    Part Number: TPS564247 New measurement_2023-06-02T19_30_29 1 A.pdf I have done a bode plot analysis using Omicron bode100 device. Attached is the plots for 2.8V output and 1A load. VIN is 12V. Could someone review the complete schematic and layout to…
    • Resolved

  • RE: TPS564247: Design Review, Power Failures

    Hi Peter! Your input cap is too far away from IC. Shuai

  • TPS564247: High Quiecent Current with no load

    TI Thinks Resolved
    Part Number: TPS564247 Other Parts Discussed in Thread: TPS564242 Hi, I am now designing a new power supply for a new pcb, i used TPS564247 for the main voltage converison from 12V to 5 V. my design is attached, for some reason there is high quiecent current…

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