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Showing 180 results View by: Thread Post Sort by
    Answered
  • TPS7A49: When the TPS7A49 EVM NR/NSS is grounded, the output voltage is 0

    Imelda Zhang
    Imelda Zhang
    Resolved
    Part Number: TPS7A49 When the TPS7A49 EVM NR/NSS is grounded, the output voltage is 0. The chip manual explains the Colum to soft-start, so why is it not possible to start if it is grounded? What's more, when i changed the input vlotage from 7V to…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A49: VOUT less than 1V of Vin

    Alan Hoehn
    Alan Hoehn
    Resolved
    Part Number: TPS7A49 Hello, The datasheet recommends that VIN ≥ VOUT(nom) + 1 V. However, under normal operation in section 8.4.1 it lists one of the modes as: The input voltage is greater than the nominal output voltage added to the dropout voltage…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS7A49: Input voltage absolute maximum

    Andrew Daniel
    Andrew Daniel
    Part Number: TPS7A49 Hello, Post I supply the TPS7A49 device with an unregulated iso-converter. The device, when unloaded, will drift up significantly from the 16.5V nominal and almost hit 40V. This exceeds the maximum datasheet Vin to GND but only…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS7A49: TPS7A49 output value

    Miles Li1
    Miles Li1
    Part Number: TPS7A49 Hi team, My customer is using TPS7A49 in their battery pack, when EN is low to 0V, what is the output voltage supposed to be? Is that normal when it it above 100mV? Wish to get your reply, thanks!
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A49: Stability problem for TPS7A49

    Clemente Villani
    Clemente Villani
    Resolved
    Part Number: TPS7A49 Hi, I have some problems with the stability of TPS7A49. In the attached scheme you can see (from top right, in board_2) a LDO that generates 12 V and injects it into the AC channels that connects two boards through long cables…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS7A49: TPS7A49 and TPS7A30 output impedance vs frequency

    Stephanie Hibler
    Stephanie Hibler
    Part Number: TPS7A49 Hi LDO team, For the TPS7A4901DGNR and TPS7A3001DGNR ( https://www.ti.com/product/TPS7A49 and https://www.ti.com/product/TPS7A30 ): do you have any information for the output impedance of these parts vs. frequency? Thank…
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS7A49: TPS7A4901 Input & Output voltage hump

    Taron Hwang
    Taron Hwang
    Part Number: TPS7A49 Hello, I have a challenge about the phenomenon that occurred during experiment.(Vin = 5.5V , Vout= 5V) I tried to find the difference when i change soft start capacitor. And the experiment was successful. However there were some…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A49: Power supply for handheld luminometer

    Danilo A.
    Danilo A.
    Resolved
    Part Number: TPS7A49 Other Parts Discussed in Thread: IVC102 , LM27762 , , TPS7A30 , TPS7A94 Hi Team, This inquiry is related to the other thread below. Our customer is looking for a low noise power supply for IVC102 precision transimpedance amplifier…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS7A49: The TPS7A4901 IC is getting damaged constantly on power up or power off

    Varun M J
    Varun M J
    Part Number: TPS7A49 Hi, We are using a TPS7A4901 IC (DRB package) to generate a 30V regulated output from a 32V supply. The circuit is provided as given below The 32V power supply is provided by a DC source with current limit set to 100mA. …
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A49: TPS7A4901DRBR DRB package information

    Eddie Chou
    Eddie Chou
    Resolved
    Part Number: TPS7A49 Hi Team, May I know TPS7A4901DRBR package information? datasheet only show DGN information but no DRB. and package information link only show one page with package picture. https://www.ti.com/lit/ml/mpds118k/mpds118k.pdf …
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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