| Electronics > Beginners |
| Help identifying a 6-pin SMD IC in a power supply. |
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| xavier60:
--- Quote from: GonzoTheGreat on October 19, 2017, 07:25:05 pm --- --- Quote from: xavier60 on October 18, 2017, 10:26:12 pm ---I should have said Current Sense pin 6. --- End quote --- Indeed the voltage is negative on Pin6 while the MOSFET is conducting, --- End quote --- Usually that kind of power supply circuit uses an IC that is also intended for conventional flyback designs which use an isolating transformer. Are you certain that the circuit is drawn correctly? |
| GonzoTheGreat:
--- Quote from: xavier60 on October 19, 2017, 10:01:31 pm ---Are you certain that the circuit is drawn correctly? --- End quote --- Yes, I verified it again. I even took apart the inductor. It consists of 2 windings (25 turns and 103 turns) connected in series. |
| ebclr:
https://www.richtek.com/assets/product_file/RT9013/DS9013-10.pdf |
| xavier60:
--- Quote from: ebclr on October 20, 2017, 09:19:10 pm ---https://www.richtek.com/assets/product_file/RT9013/DS9013-10.pdf --- End quote --- Is that the correct link? |
| ebclr:
Just opened now https://www.richtek.com/assets/product_file/RT9013/DS9013-10.pdf |
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