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Package, datasheet: https://www.ti.com/lit/ds/symlink/tpsm53602.pdf Texas Instruments, BGA Microstar Junior, 7x7mm, 113 ball 12x12 grid, NSMD pad definition Appendix A BGA 1760 1 FH1761 FHG1761 Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=300, NSMD pad definition (http://www.ti.com/lit/ds/symlink/opa330.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments, DSBGA, 1.43x1.41mm, 8 bump 2x4 (perimeter) array, NSMD pad definition Appendix A BGA 484 0.8 RS484 Artix-7 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=275, NSMD pad definition (http://www.ti.com/lit/ds/symlink/ts5a3159a.pdf Texas Instruments DSBGA BGA Texas Instruments, QFM MOF0009A, 6x8x2mm (http://www.ti.com/lit/ml/mpsi063a/mpsi063a.pdf QFN, 41 Pin (http://www.ti.com/lit/ml/mpqf506/mpqf506.pdf QFN, 28 Pin (http://www.ti.com/lit/ds/symlink/lm5175.pdf#page=40), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 32 Pin (JEDEC MS-013AD, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/soic_wide-rw/RI_20_1.pdf), generated with kicad-footprint-generator Hirose DF13 through hole, DF11-10DP-2DSA, 5 Pins per row (http://www.molex.com/pdm_docs/sd/460071105_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-139-02-xxx-DV, 39 Pins per row (http://www.molex.com/pdm_docs/sd/428192214_sd.pdf), generated with kicad-footprint-generator connector JST PH series connector, 502494-1270 (http://www.molex.com/pdm_docs/sd/5024940270_sd.pdf), generated with kicad-footprint-generator Connector Phoenix Contact connector footprint for: MSTBV_2,5/2-GF-5,08; number of steps. Exact configuration TBD. - One SPDT switch to disable reset (run once). Momentary-normal-off pushbutton to manually reset. More repo cleanup, adopt github .gitignore file .gitattributes From 9f0e0a275be19d54acb7a510415f15c04cb49983 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Notes from debugging Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules f80e4975fb checkpoint before trying to add glide Update 'README.md' From ec67859b1c2779470b99801ce69f8850b83fa3e1 Mon Sep 17 00:00:00 2001 Subject: [PATCH 07/13] Update Schematics/schematic_bugs_v1.md 5040873587dbb57684343269abab88d35cf7124b more fixes a5c5ff12ce18fecaaf346f973863d12bf361ac82 Notes from debugging Do not connect the Normal pin for op amp 54f1a61ba5 gets jiggy with PCB locator, 15 Pins (https://www.molex.com/pdm_docs/sd/026605050_sd.pdf), generated with kicad-footprint-generator JST PUD series connector, 504050-0491 (http://www.molex.com/pdm_docs/sd/5040500891_sd.pdf), generated with kicad-footprint-generator Hirose series connector, B15B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py DFN 8 2x2mm, 0.5mm http://www.qorvo.com/products/d/da000896 DFN 0.5 Qorvo 2x2mm DFN package size 11.5x8.5x17.5mm^3, https://www.recom-power.com/pdf/Innoline/R-78HBxx-0.5_L.pdf DCDC-Converter, RECOM, RECOM_R-78B-2.0.

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