Recent content by von

  1. von

    buck/boost converter problem..advise appriciated

    Thanks, (I have made errors in the above threads 1st error I meant connecting the buck/boost in Parallel, & by coils I meant inductors) so still searching for a solution. Correct (I) Amp output (& voltage) is necessary & A x V = W (so Watts will be correct if the A & V output values are...
  2. von

    buck/boost converter problem..advise appriciated

    Thanks AnalogKid My posting spec's above were from my own notes from early searches. Below is the info provided from the seller (the most accurate I think), & below that the same item from another vendor; Technical parameters: DC DC Buck - Boost Module Model Specification DSN6000AUD Automatic...
  3. von

    buck/boost converter problem..advise appriciated

    "the transistor is there to protect the fuse" ;). Big thanks, Makes total sense now. I should be able to id the 1 of 3 transistors & replace the cooked 1. So I could also be able to wire the output of 2 of the DC DC Buck - Boost Modules in series? If each Buck - Boost Module is set at 7volts...
  4. von

    buck/boost converter problem..advise appriciated

    Thanks for your reply, I should add my understanding of electronics is very very basic, but keen to develop, so I probably need things spelt out at my fledgling position :) . So are you suggesting that my amps may be too low? 1.8A which should be 2.3A. I didn't measure the Amps (worried about...
  5. von

    buck/boost converter problem..advise appriciated

    hi I set 2 buck/boost converters (see specs below) powered by a small ~12 volt solar/battery/ regulator system. 2 x 80watt pv's, 1 X12v batt, 1 x 10 amp regulatory. The 2 buck/boost converters - 1 used & set at 10v output for a laptop (solid circuit, no rotating disc) ~2.2A...
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