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Recent content by krishnakumar.r93

  1. K

    Signal guard for Capacitive touch switch using CAP1298

    Hi I am designing a capacitive touch switch board using CAP1298. It has been mentioned in the datasheet that the CS5 pin be used as a signal guard. In my PCB, i have included the signal guard around all touchpads on oneside of the board. Should i place the signal guard on by board's bottom...
  2. K

    THX203 circuit not working

    let me prepare another board and let you guys know as the one i used blasted near the transformer area.
  3. K

    THX203 circuit not working

    Hi I have given connections as per the circuit, but i don't get output. Few components were not available, so i used some equivalent components. (SR3100 not available so i used MUR4100). Only thing i did not use is the UU9.8 & DR6*8 inductor. Will this affect my output? Is it definitely...
  4. K

    LM5116 buck converter problem - not working

    Hi Please find the schematic in the page.11 of the pdf. Used exactly the same components, except for the inductor.
  5. K

    LM5116 buck converter problem - not working

    Sorry for not mentioning about the inductor. I used two types of inductors. 1. The inductor part number is ETQ-P6F3R2HFA from digikey. (couldn't find the datasheet) 2. I've included the picture of the other inductor (10uH/5A). I got the output using the 1st inductor. Now also i'm getting...
  6. K

    LM5116 buck converter problem - not working

    I've completely soldered 9 board. Out of 9, only 5 boards work good. When the input varies from 14V to 90V, the board outputs 12 to 12.8V. For the remaining 4 boards, there are some problems. The output keeps on increasing with an increase in input voltage and then the LM5116 fuses out. Also...
  7. K

    Need updated library for Altium Designer

    I just mentioned microchip for a reference. I too create many components, footprints manually and add them to the project library. That is why i thought of updating library would work.
  8. K

    Need updated library for Altium Designer

    Hi, I'm new to using Altium designer 14 for PCB Design. I downloaded libraries for Altium designer from: https://techdocs.altium.com/display/ADOH/Download+Libraries But, these libraries does not contain several microcontrollers. For example: PIC16LF1825, PIC18F45k22 etc., I can manually...
  9. K

    LM5116 buck converter problem - not working

    :cry::sad: Well, i've given the bigger pad to accomodate any type of inductor that gives me the outupt. ADDED: Please tell the way to make it perfect.
  10. K

    LM5116 buck converter problem - not working

    Done with vias for C8-C11 as like in C16-C20 - - - Updated - - - All done.? Is the board good enough to be outsourced for fabrication..?
  11. K

    LM5116 buck converter problem - not working

    Done, as per your suggestion. The i/p path C8 to Q1 and o/p path Q2 to L1 is shortenend. R6, R7 and R11. Is it ok?
  12. K

    LM5116 buck converter problem - not working

    I dont get it. Only R6 gets connected to R11, while the other end of R7 and R11 are grounded. What should i change in this?
  13. K

    LM5116 buck converter problem - not working

    Done with the changes. Kindly check it. But I have given ground plane on both sides. Will it cause any trouble?
  14. K

    LM5116 buck converter problem - not working

    As per your suggestion, I have changed the PCB design with a ground plane copper fill. Please check the design and let me know if it is enough.
  15. K

    LM5116 buck converter problem - not working

    Should i design a double-sided board with ground plane on both sides, or is it enough if i just make a single-sided board with ground plane on one side?
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