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Showing 35 results View by: Thread Post Sort by
  • TPS62843: TPS628438, problem with Enable specifications

    Olivier DAVID
    Olivier DAVID
    TI Thinks Resolved
    Part Number: TPS62843 Hi, I use the buck TPS628438 to transform a 5.4V input to 3.0V. Input comes from a 0.47F super capacitor, so rises very slowly. I would like to enable the buck when I reach around 3.3V/3.5V, to be sure to have 3.0V at the buck output…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS62843: Resistor needed between EN and VIN?

    Christoph Krenn
    Christoph Krenn
    Resolved
    Part Number: TPS62843 Hello, I wonder if a resistor is needed between VIN and EN, since internal FET driven by UVLO/Thermal Shutdown will pull the line directly to GND in case of failure event: In typical application shown in WEBENCH, VIN and EN are…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS62843: several questions

    Given Ding
    Given Ding
    Resolved
    Part Number: TPS62843 Hi Team, below are several questions. 1. can TPS62843x support 2.2uH inductor? Or it can only support 1uH as datasheet mentioned. If it can support 2.2uH, will eff be improved? 2. If Vout is higher than Vin, that is, there is power…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS62843: line/load regulation

    Given Ding
    Given Ding
    Resolved
    Part Number: TPS62843 Hi Team, below are several questions. 1. is there line regulation accuracy on Vout? 2. is there load regulation accuracy on Vout? 3. in datasheet, there is load transient test, what's the slew rate of load change, 1A/us? Thanks…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS62843: TPS62843x & TPS6280x pin compatibilities.

    Koki Tsushima
    Koki Tsushima
    TI Thinks Resolved
    Part Number: TPS62843 Dear expert, My customer considers TPS6280x or TPS62843 for their system. They have concerns that they are not pin compatibility since size seems not to be same exactly. I think it is p2p, but is it correct?
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS62843: Best OPN for 1.8V?

    Cameron Wutzke
    Cameron Wutzke
    TI Thinks Resolved
    Part Number: TPS62843 For a 1.8V rail, appears either version would work. Which would be the best? Any differences between the two? Even a mere 1% efficiency over the other would help us out here. Thanks! Cameron
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS62843: Can we get an unencrypted HSpice model for this component?

    Abhiram Chandrashekar
    Abhiram Chandrashekar
    TI Thinks Resolved
    Part Number: TPS62843 I am trying to simulate the component TPS62843 that my customer is planning to use, but I cannot find an equivalent HSPICE model to perform these simulations. the syntax is quite different for PSpice vs HSpice. I understand from…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS62843: RTM schedule

    Jeff YANG
    Jeff YANG
    TI Thinks Resolved
    Part Number: TPS62843 Hi, May I know the TPS62843 RTM schedule? thanks! Jeff
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS62843: RSET range

    Kurumi Hasegawa
    Kurumi Hasegawa
    Resolved
    Part Number: TPS62843 Hi team, We’d like to use TPS628436 with Vout=0.750V. Table 8-1 on the datasheet states that RSET= 205.0k in that case. But the Recommended Operating Conditions table states that RSET range should be from 4.87kohm to 124kohm.…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS62843: Question regarding the Iq of the TPS628438

    Vlad Gorelov
    Vlad Gorelov
    TI Thinks Resolved
    Part Number: TPS62843 Hello experts, I have a question about the IQ of our TPS628438: The 1500uA relates to -40 +85 deg. I would like to understand what is the IQ (typical and maximum) for 10 – 40 deg. Thank you for your help!
    • over 2 years ago
    • Power management
    • Power management forum
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