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Showing 214 results View by: Thread Post Sort by
    Answered
  • TPS53319: Output voltage at low load is lower than the design voltage

    ichikawa.hide
    ichikawa.hide
    Resolved
    Part Number: TPS53319 入力電圧20V,出力電圧3.8Vで使用しています。 出力電流2A程度で動作している時は出力電圧3.8Vで安定して動作していますが、出力負荷が低くなり、 出力電流が0.3A程度になると出力電圧が2.6V程度に降下してしまいます。 TPS53319は出力電流0Aから使用できる認識ですが、出力電流2Aの設計では出力電流が下がった場合、 動作が不安定になる事があるのでしょうか? また、本事象を回避する方法があれば教えてください。
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS53319: A question for snubber design from application report

    Vince Cheng
    Vince Cheng
    TI Thinks Resolved
    Part Number: TPS53319 Hi TI expert, We have an interesting question from your file ( SLUA851A, on page5, Figure 4), and there is a reference circuit taking about minimizing switch ringing by adding RC snubber. However, the RC snubber was connected…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS53319: Zero output voltage (should be 1.2V)

    Stefan Damkjar
    Stefan Damkjar
    Resolved
    Part Number: TPS53319 Hello, My application is converting voltage from two lithium ion batteries (roughly 5~9 V) to 1.2V, 3.3V and 5.0V. I've got three TPS53319 controllers to do the job. I'm testing the 1.2V one, but it gives zero output. The only…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS53319: TPS53319

    ADARSHA A N
    ADARSHA A N
    TI Thinks Resolved
    Part Number: TPS53319 Hi, i am using TPS53319DQPT part in my design. While checking silicon expert report of TPS53319DQPT i have observed that some RoHS exemption Like it is affected CHINA RoHS and REACH etc... We require that the devices used…
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS53319: TPS53319 startup glitch at 45C ambient

    Neo.Wang
    Neo.Wang
    Part Number: TPS53319 Hi TI experts, i used TPS53319 to convert 11V to 3.3V/10A. Tested transient/stability/ripple/startup/shutdown waveforms at 25C, all looks good. But at 45C, observed 3.3V voltage glitches at ramping up. Planing…
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS53319: question for RCC

    Mark Chen52
    Mark Chen52
    TI Thinks Resolved
    Part Number: TPS53319 Hi Expert, As we know some times we recommend to add ripple injection to improve transient performance. my question is how to select voltage rating for C1? Regards, Mark
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: TPS53319: why the powergood signal of tps53319 is pull down

    zaijun wang
    zaijun wang
    Resolved
    hi sir The problem has solved,I agree with your judgment on this issue. But I have some new questions. I have read the datasheet of TPS53319,it recommends the feedback resistors are 10k+ and I use TI WEBENCH POWER DESIGNER to design buck circuit…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS53319: Regarding Recommended operating condition for EN voltage

    Daisuke Higa
    Daisuke Higa
    Resolved
    Part Number: TPS53319 Hi support team. I have a question regarding Regarding recommended operating condition for EN voltage. I have referred to the following post. https://e2e.ti.com/support/power-management-group/power-management/f/power-management…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS53318: TPS53318 VS TPS53319

    Jimmy Lai
    Jimmy Lai
    TI Thinks Resolved
    Part Number: TPS53318 Other Parts Discussed in Thread: TPS53319 , Dear Team, I would like to ask you about TPS53318 and TPS53319. 1. Are they fully pin to pin? In addition to the current capacity, one is 8A and the other is 14A, what are the main…
    • over 3 years ago
    • Power management
    • Power management forum
  • RE: WEBENCH® Tools/TPS53319: WEBENCH® Tools/ TPS53319

    Praveen Badiger
    Praveen Badiger
    Hi Adarsha, The simulation time on WEBENCH is limited 15mins. The simulation time is dependent on the switching frequency, analysis parameters, type of simulator and operation of the device. For TPS53319, the startup test bench stop time(2.5ms) is…
    • over 4 years ago
    • Power management
    • Power management forum
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