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  • CSD18543Q3A: Looking for a low cost SSR solution to replace a mechanical relay

    TI Thinks Resolved
    Part Number: CSD18543Q3A Hi, Today I am using a mechanical relay as digital input to my board. I want to replace it, cost and size, with an SSR. The application is Unidirectional. I noticed the CSD18543Q3A as an option. Any other suggestion will…
    • Answered

  • TINA/Spice/CSD18534Q5A: Is the web provided Pspice model correct? is it the same as CSD18543Q3A other than the size?

    Resolved
    Part Number: CSD18534Q5A Other Parts Discussed in Thread: TINA-TI , CSD18543Q3A , , CSD18540Q5B Tool/software: TINA-TI or Spice Models We were originally using the MOSFET CSD18543Q3A in parallel with LMS3406 for the fast dimming application for LED control…
    • Resolved

  • LM5141: Switching Loss Calculations

    TI Thinks Resolved
    Part Number: LM5141 Other Parts Discussed in Thread: CSD18543Q3A , Tool/software: For input 8V - 28V and output 3.3@10A. Planning to use LM5141RGET clubbed with CSD18543Q3A high side and low side fet. We need to calculate switching loss for the n-mos…

  • LM5155: Boost converting not boosting

    Part Number: LM5155 Other Parts Discussed in Thread: CSD18543Q3A Tool/software: Hi, I'm using this converter to boost 5V to 30V. But when I measure the output unloaded I get 8.5V on the output. When I load it with a 1K ohm resistor it collapses to…

  • LM5122: LM5122 Low Side FET Source-Drain Short.

    Part Number: LM5122 Other Parts Discussed in Thread: CSD17304Q3 , CSD17577Q3A , CSD18543Q3A Tool/software: Hi. I have some questions about LM5122. Our Operating condition => 15~21V Battery, Output 24V, Current : 3.5A(margin) Web-bench High Side FET…

  • LM5122: Inrush current.

    TI Thinks Resolved
    Part Number: LM5122 Other Parts Discussed in Thread: CSD18543Q3A Tool/software: Hi The inrush current comes out too high when starting up. Is there any way to improve it? The schematic cannot be disclosed for security reasons. Can you tell me how I…
    • Answered

  • OPA2837: MTBF/FIT calculation

    Resolved
    Part Number: OPA2837 Other Parts Discussed in Thread: CSD18543Q3A Tool/software: Hi, I recalculated the MTBF/FIT for component OPA2837IDGKT and it is returning half of the value given by the reliability datasheet. I believe the equation used by TI…
    • Resolved
    • Answered

  • TPS40305: TPS40305 Failure after several seconds/ minutes of running?

    Resolved
    Part Number: TPS40305 Other Parts Discussed in Thread: CSD18543Q3A Tool/software: I'm currently working on a USB hub that utilizes a TPS40305 to regulate the 5V bus voltage from a 12V input. I got the design from WEBENCH, with an IOUT Nominal of 10A…
    • Resolved
    • Answered

  • CSD18534Q5A: For Automotive parts of MOSFET

    Resolved
    Part Number: CSD18534Q5A Other Parts Discussed in Thread: PMP9637 , , CSD18543Q3A Hi, Support Team We saw reference design: PMP9637 is Automotive Boost Power Supply for Audio Application CSD18534Q5A is Automotive parts? if any, Please advsie me…
    • Resolved

  • LM5146-Q1: HO pin voltage is very high for the required MOSFET

    TI Thinks Resolved
    Part Number: LM5146-Q1 Other Parts Discussed in Thread: CSD18543Q3A Hi Experts, Good day. Our customer is asking if the HO pin voltage is okay to switch the required MOSFET. Below is the attached TINA Model. I tried to simulate and get the HO output voltage…

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