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Showing 25 results View by: Thread Post Sort by
  • Timothy Hegarty
    Timothy Hegarty
    • over 1 year ago
    • Power management
    • Power management forum

    RE: LM5116: Desired Voltage is not reached

    Hi Jordan, Please send a completed quickstart calculator file so we can review component selection, particularly compensation. You can download this from the LM5116 product folder (under Design & Development). Need to know the following: ...
  • Kazuya Nakai59
    Kazuya Nakai59
    • over 2 years ago
    • Power management
    • Power management forum

    LM5145: Could you please tell me any countermeasure to reduse high side gate ringing on EVM board?

    • Resolved
    for Q2 on EVM with TI, CSD19531Q5A for Q1 and CSD19533Q5A for Q2. Also they change the following spec
  • Eason Yuan
    Eason Yuan
    • over 1 year ago
    • Power management
    • Power management forum

    LM5117: LM5117 lock issue

    TI Thinks Resolved
    Part Number: LM5117 Hi there, Could you please help our customer‘s questions as below? Please find the LM5117 quick start file and schematic attached. VCC is powered by external 12V/300mA DCDC. Please help review whether it’s ok. A new...
  • Praveen GD
    Praveen GD
    • over 1 year ago
    • Power management
    • Power management forum

    RE: TPS24700: Schematic Review

    Hi Kevin, Please see my comments below, The schematic and Design calculator you shared still have different FET's. the schematic shows CSD19533Q5A but design calculator has DMT34M1LPS. The SOA of DMT34M1LPS is not good enough. This is the reason...
  • John Wallace1
    John Wallace1
    • over 2 years ago
    • Power management
    • Power management forum

    RE: CSD19534Q5A: Is there any MOSFET which has shorter Td(off) and tf than CSD19534Q5A?

    Hi Nakai san, Thanks for continuing to promote TI FETs at your customer. The switching times published in the FET datasheets are of limited usefulness. The LM5145 includes adaptive dead time control to prevent cross conduction of the FETs. I have also...
  • Timothy Hegarty
    Timothy Hegarty
    • over 2 years ago
    • Power management
    • Power management forum

    RE: LM25116: Help designing application

    Hi Florian, Both the IRF540 and the ST FET have a high gate voltage Miller plateau (resulting in low gate voltage overdrive when the MOSFET is on). Please consider using lower threshold voltage 100V MOSFETs, for example CSD19535Q5A (high-side ) and...
  • Saurabh Tewari
    Saurabh Tewari
    • over 2 years ago
    • Power management
    • Power management forum

    LM5117: Help me tune this snubber

    TI Thinks Resolved
    Part Number: LM5117 Hello everyone, I have a 100W 48V-to-14V Buck converter based on LM5117. I am using CSD19533Q5A for the synchronous FET and CSD18543Q3A for the control FET. I have also used Infineon BSZ099N06LS5ATMA1 for the control FET due to stock...
  • Brett Barr1
    Brett Barr1
    • over 3 years ago
    • Power management
    • Power management forum

    RE: Asking for the alt. solution to replace the fairchild solution

    FDMS86252 - 150V FET, no cross FDMQ8205 - Not a discrete FET, no cross. FDS86242 - 150V FET, no cross FDD86110 - 100V DPAK, nothing P2P, closest would be CSD19534Q5A or CSD19533Q5A FDMS86252 - 150V, no cross
  • Brett Barr1
    Brett Barr1
    • over 3 years ago
    • Power management
    • Power management forum

    RE: BSC123N08NS3G and PSMN4R8

    The Infineon FET is an 80V 5x6 QFN around 12mOhm. We don't have anything in this resistance range in and SON5x6 package at 80V. Closest thing we have would be the 100V CSD19534Q5A or if you want a little better resistance, CSD19533Q5A. Because...
  • John Smeltzer
    John Smeltzer
    • over 5 years ago
    • Power management
    • Power management forum

    TPS40210 MOSFET over heating

    I am using the TPS40210 as a 81V boost circuit. I have used Webench Buck / Boost circuits many time with no problems. But this one is giving me trouble. The MOSFET is running hot, even with no load. At 100ma load it heats up enough to melt the solder...
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