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  • TPS62140A: Schematic Review

    TI Thinks Resolved
    Part Number: TPS62140A Hello team , I'm trying to use TPS62140ARGTR in my design. Could you please help to review schematic attached herewith. Though I have checked with Webench design , still if any feedback from past experience will help.
    • Answered

  • TPS62140A: About SW pin's Absolute maximum rating

    Resolved
    Part Number: TPS62140A Hi team, This device's absolute maximum rating of SW pin is "-0.3V to Vin+0.3V". Is this from ESD protection diode? We suppose the case Vout > Vin by slow Vout discharge. Best regards, teritama
    • Resolved

  • TPS62140A: The reason for EOS Failure

    Part Number: TPS62140A TPS62140A was occur EOS much for failure, please let me confirm about TPS62140A specification below; ①About TPS62140A and the same series, these device occur possibility of EOS for EN: High→Low on heavy load condition. 　・Please…
    • Answered

  • power supply start-up sequencing

    Resolved
    Part Number: ISO1050 Other Parts Discussed in Thread: TPS62140A , , ISO1042 Hello Team, we provide Vcc1 (+3.3V) and Vcc2 (+5V) power supplies to ISO1050 by means of two TPS62140A step-down converters, with Ratiometric and Simultaneous Start Up configuration…
    • Resolved

  • TPS62140A: SS terminal of TPS62140A

    TI Thinks Resolved
    Part Number: TPS62140A Other Parts Discussed in Thread: TPS62147 Hi I have a question about TPS62140A. If I don't use the SS capacitor, should I connect SS(9pin) terminal to GND? Best regards, Yokota
    • Answered

  • TPS62140A: Discharging time by PG pin

    Resolved
    Part Number: TPS62140A Other Parts Discussed in Thread: TPS62148 , TPS62125 Hi team Thanks for the usual support. One of our customer would like to control the discharging time with using PG discharg function in datasheet. It seems internal discharging…
    • Resolved
    • Answered

  • TPS62140A: Cout = 110uF and Cff=22pF

    Resolved
    Part Number: TPS62140A Other Parts Discussed in Thread: TPS62147 Hi all Would you mind if we ask TPS62140A? The customer's condition is follows; Vin = 8V～14.5V Vout = 5V / 1.1A In this case, the customer uses with Cout = 110uF and Cff=22pF. We assume that…
    • Resolved

  • TPS62140A: OCP behavior

    TI Thinks Resolved
    Part Number: TPS62140A Other Parts Discussed in Thread: TPS62147 Hello, I'm using TPS62140A on my non-isolated DCDC converter design and found a strange waveform while performing OCP test. I found the Vout was bouncing and got some reverse current…
    • Answered

  • TPS62140A: About Soft Start Capacitor calculation formula

    Resolved
    Part Number: TPS62140A Other Parts Discussed in Thread: TPS62135 Hi, Could you tell me about soft start cap calculation formula. What is this voltage (1.25V)? There was no description in the Electrical Characteristics of the data sheet. Therefore, I got a…
    • Resolved

  • RE: TPS62130: Alternative part with same footprint and layout

    Hi Barry, For the TPS62130, only p2p compatible parts are the TPS62130A, TPS62130A-Q1, TPS62140, TPS62140A, TPS62150, TPS62150A, TPS62150A-Q1. But the TPS62140, TPS62140A, TPS62140A-Q1 are 2A rated parts and TPS62150, TPS62150A and TPS62150A-Q1 are 1A…

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