Search:

Type: Posts; User: krazy707

Search: Search took 0.01 seconds.

  1. Replies
    11
    Views
    645

    Closed: Re: XOR gate IC supply current

    Thank you everybody, so after making the input pins tied to ground, all is normal now, the current draw is at 5ua. the first pcb I made out of general pcb did not show high power usage but the...
  2. Replies
    11
    Views
    645

    Closed: Re: XOR gate IC supply current

    got it, let me check that
  3. Replies
    11
    Views
    645

    Closed: Re: XOR gate IC supply current

    Akanimo,

    Thanks for the reply, I have connected only vcc and ground to test,, rest of pins are floating. so Io should be zero.
  4. Replies
    11
    Views
    645

    Closed: XOR gate IC supply current

    Hi,

    I have a circuit that I need to use XOR gate IC using battery power. The chip in question is 74HC86.

    As per data sheet the supply current should be between 20 to 40 micro amp, but , ...
  5. Replies
    6
    Views
    674

    Closed: Re: xl6009 strange problem

    yes, it's working well now, the in5822 definitely running at lower temp at 2amp load output, pulling 20W at input 10v 2amp delivering 18.5W 13.6v output. , output capacitor after...
  6. Replies
    6
    Views
    674

    Closed: Re: xl6009 strange problem

    sorry my bad , i think what i have is only boost module, this is what i have , nothing related to application just checking voltage regulation range.

    150290
    ...
  7. Replies
    6
    Views
    674

    Closed: xl6009 strange problem

    has been experimenting with xl6009 module, so suddenly the xl6009 started to take 0.8A at no load and was getting hot, the schottky came off the board due to heat and found that it's short, so...
  8. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    yes same ones, need to get them, i had comparators on hand.
  9. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    hello Nikhil, i will try to check that, shall get some op amps.
  10. Closed: Re: Why my Buck converter is undergoing smoke and fire?

    possibly the scenario is two buck converters in series, one charger with load and another converter with a router load, that could be the reason input capacitor blew up. more filtration is...
  11. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    thanks klaus, will try to do that. not sure what means, one ADD one Subtract per sample.
    next is trying to simplify the mains sensor without a transformer, i know the resistive divider has...
  12. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    that's quite sensitive. so powermacs shut down fast, i think computer load also could be factor, a fully loaded pc smps need faster response, than a 30% load.
  13. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    Nikhil, I have tried all different combination of RC filter to get fine DC with no lag, that is just impossible for 4ms counting no matter what, at least i could not, if you keep the capacitor...
  14. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    without capacitor a 4 milli second sample value is quite random, i mean it is expected, ranges from 165 to 220, probably it's fastest way to determine power loss condition i suppose, it works for...
  15. Replies
    14
    Views
    1,297

    Closed: Re: Detection of power failure for ups

    thank you, let me check the unfiltered option with software.
  16. Closed: Re: How to judge the drinkability of water whatever its nature

    RO filter cartridges can filter tds to almost 10 from 200 to 500 level, iron should also get of it i think, post UV should have good water. my fried asked same question to make a gadget to know...
  17. Replies
    14
    Views
    1,297

    Closed: Detection of power failure for ups

    Hi,

    am trying to build a line interactive ups, using arduino as the brain, and at a stage of building the sensors, this one is getting bit complicated, the mains voltage measurement, so I have a...
  18. Closed: [Moved] Seeking commercial quality Sine wave inverter design (India)

    Hello everybody, am looking for a commercial quality sine wave inverter design that has all the data needed for manufacturing a Inverter or UPS based of 16F73 or similar with lcd output. Not...
Results 1 to 18 of 18