Search tips
Showing 34 results View by: Thread Post Sort by
    Answered

  • TPS62148: Questions regarding testing conditions and efficiency in light load region

    Resolved
    Part Number: TPS62148 Hello, Would you kindly provide feedback on customer questions below: (1) The data sheet states RθjA: 38.4 ℃. Under what conditions is this the value? Since there was a link to SPRA953C in the data sheet, I presumed that it…
    • Resolved
    • Answered

  • TPS62148: 100% Duty-Cycle

    Resolved
    Part Number: TPS62148 I was hoping for some help regarding the 100% duty-cycle operation of the TPS62148 for 5V output. 1) Figure 80 from the DS shows around 700kHz switching frequency before the graph ceases (device enters 100% duty-cycle mode?) - This…
    • Resolved

  • TPS62147: How to adapt an existing TPS62135 PCB to use TPS62147/TPS62148?

    TI Thinks Resolved
    Part Number: TPS62147 Other Parts Discussed in Thread: TPS62135 Team, -Is it possible to use a TPS62147RGXR / TPS62148RGXR on an existing TPS62135RGXR PCB? All 3 devices have the same VQFN-HR package. The main difference is pin 4 (FB2 on x35 and AGND on…

  • TPS62148: Want to use PFM Mode (Burst Mode) - Not PWM Mode

    TI Thinks Resolved
    Part Number: TPS62148 I need to support a customer design with TPS62148. 12Vin to 5V / 3.3V out, at 400mA max load. The customer has done the design before with PWM mode, but really needs squeeze the highest performance possible out of the device for…
    • Answered

  • TPS62148: advice for layout

    Resolved
    Part Number: TPS62148 Other Parts Discussed in Thread: TPS62480 Hello experts, I got question about layout from customer. My customer want to move vias from datasheet recommendation as below. In this case, we need to move C1/L1 due to vias location. Is…
    • Resolved
    • Answered

  • TPS62148: GND solid pattern under inductor

    Resolved
    Part Number: TPS62148 Hello experts, I got question about GND solid pattern under inductor from customer. Could you give me advice? In generally, it is better to remove GND solid pattern under inductor because it may cause noise influence (e.g. eddy…
    • Resolved

  • TPS62148: VOS pin "sufficiently high voltage ripple"

    TI Thinks Resolved
    Part Number: TPS62148 Other Parts Discussed in Thread: TPS62147 , , TPS62130 I need to know more information about the VOS pin. Section 10.3.2 from the datasheet says: In applications where TPS62147, TPS62148 are used to power multiple load circuits, it…
    • Answered

  • TPS62148: Shorting 1.8V Vout to 3.3V case

    Resolved
    Part Number: TPS62148 Hello, My customer has an question for TPS62148. They made their own board with TPS62148 and is testing abnormal case. Now TPS62148 is set to output 1.8V. When shorting this 1.8V Vout to other 3.3V rail, they saw sparks and TPS62148…
    • Resolved
    • Answered

  • TPS62148: FB divider resistor value

    Resolved
    Part Number: TPS62148 Hello, I want to confirm on thing about FB divider resistor value for TPS62148. The datasheet shows an example FB divider resistor values for each output voltage on Table 6. Can the user uses any other resistor value if R2 is less…
    • Resolved
    • Answered

  • TPS62148: MIN/MAX value for negative current limit

    Resolved
    Part Number: TPS62148 Hello I need min and max value of the below parameter. Is it available? Also what happens if this negative current limit occurs? Regards, Oba
    • Resolved

Didn't find what you are looking for? Post a new question.