nqtronix|
JPEG Image - 734.66 kB - 05/31/2022 at 17:38 |
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20220602_full_schematic_by_OneOfEleven.pnglatest revisionPortable Network Graphics (PNG) - 162.34 kB - 06/02/2022 at 16:04 |
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JPEG Image - 11.03 MB - 01/01/2021 at 13:08 |
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JPEG Image - 11.11 MB - 01/01/2021 at 13:08 |
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JPEG Image - 8.06 MB - 01/01/2021 at 13:08 |
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JPEG Image - 7.06 MB - 01/01/2021 at 13:08 |
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5.JPGLikely 47uH nominal inductorJPEG Image - 7.43 MB - 01/01/2021 at 13:08 |
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6.JPGTest setup. Metal box on the left is not much larger than shown on the pictureJPEG Image - 9.23 MB - 01/01/2021 at 13:08 |
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7.JPGTest results after 40min. Upper screen is the electronic load set to 100W, the lower screen belongs to the power supply. The output of the converter was set to 24V, the difference (1.6V) is loss in the cables.JPEG Image - 14.52 MB - 01/01/2021 at 13:08 |
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schematic.pdfCrude schematic. I mostly cared about the power stage and that should be correct, but there are some errors in the feedback section (idc). Designators match those on the PCB, passives around the IC are arranged to mimic the PCB as well.Adobe Portable Document Format - 24.88 kB - 01/01/2021 at 13:07 |
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Adobe Portable Document Format - 1.36 MB - 01/01/2021 at 13:07 |
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Adobe Portable Document Format - 255.98 kB - 01/01/2021 at 13:07 |
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20220531_full_schematic_by_OneOfEleven.pngOLD VERSION, linked to by project logPortable Network Graphics (PNG) - 157.26 kB - 05/31/2022 at 14:50 |
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250W DC-DC Boost Module Test & Reverse Engineering
250W DC-DC Boost Module Test & Reverse Engineering