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| Electronic Projects Design/Ideas/Reviews Are you building an electronic project or want to? Maybe you need some assistance? Come and submit your electronic questions here and let our experienced members find a solution. |
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Thread Tools | Display Modes |
2nd October 2006, 04:40 PM
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bipolar driver with A3986
Do somebody have experience build bipolar driver with A3986?
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2nd October 2006, 05:26 PM
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Quote:
__________________
"Everything that is done in the world is done by hope." -Martin Luther "There are two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle."-Albert Einstein |
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3rd October 2006, 01:03 AM
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The A3986 is designed to be used with mosfets. Why do you want to use bipolar?
__________________
see my website: www.geocities.com/russlk |
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3rd October 2006, 08:19 PM
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Quote:
Last edited by s1axo; 3rd October 2006 at 08:25 PM. |
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6th October 2006, 06:15 PM
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I'm drawing driver on A3986...
 Add or change something there ? Last edited by markcomp77; 7th October 2006 at 06:27 AM. |
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7th October 2006, 06:38 AM
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Thank you.
Add or change something there ?[/quote] Values, R,C,IC1  ) |
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7th October 2006, 10:21 AM
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IC1 - 7805
R1, R5, R6, R8 - ? R2, R4, R7, R9 - ? C7, C5, C6, C4 - ?? 220nf... R10, R3 - (Imax=8A & Vrefmax=2V) => Rsens=2/(8*8) => Rsens=0.0313R... 0.025R (0.05R & 0.05R) C1, C2, C3, C9, C10, C13, C12, C11 - 100nF R12 - 10k RN1 - 2.2K R13, R14, R15 - 330R R16 - ?? (560R) R11 - 10k - 50k (datasheet) Q1, Q1, Q3, Q4, Q5, Q6, Q7, Q8 - irfz24n 17A/55V Rds(on)=0.07R Qg(tot)=20nC |
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8th October 2006, 11:13 AM
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markcomp77
Hi, Thank you very much. Best regards |
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9th October 2006, 11:01 AM
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next version of schemat...
 Last edited by markcomp77; 16th October 2006 at 09:45 AM. |
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10th October 2006, 10:16 AM
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next version of schemat...
 Last edited by markcomp77; 16th October 2006 at 09:44 AM. |
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14th October 2006, 08:40 PM
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Thank you for new version od sch
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24th October 2006, 12:43 PM
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First version of my PCB project
 Preliminary version -->> comments welcome... |
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30th October 2006, 07:50 AM
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markcomp77
Hi, Thank you very much. I find about this on cnczone..... Best regards |
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15th November 2007, 04:30 PM
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hi markcomp77
you preliminare version work ? you have test it i have order 3 from digikey and like to build 3 driver to bipolar stepper motor i have motor 2.5volt and 4.5amp and 6.1amp sorry for my english best regards muale |
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