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Those Apply jlcpcb's design rules, small fixes for those 972e45fb78 Go to file 2cbdb94ba9 updated C5 footprint & tracing; schematic annotation 6523065365 updates the potentiometer pads and thermal vias; see section 7.1.1 of http://www.st.com/resource/en/datasheet/stm32f401ce.pdf WLCSP-49, 7x7 raster, 2.999x3.185mm package, pitch 0.4mm; see section 7.2 of http://www.st.com/resource/en/datasheet/stm32f429ng.pdf WLCSP-143, 11x13 raster, 4.539x5.849mm package, pitch 0.4mm; http://www.fujitsu.com/global/documents/products/devices/semiconductor/fram/lineup/MB85RS1MT-DS501-00022-7v0-E.pdf Infineon LFBGA-292, 0.35mm pad, 17.0x17.0mm, 292 Ball, 20x20 Layout, 0.8mm Pitch, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=26 ST uTFBGA-36, 0.25mm pad, 3.6x3.6mm, 36 Ball, 6x6 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32u575og.pdf#page=306 ST WLCSP-100, off-center ball grid, ST die ID 450, 4.96x4.64mm, 156 Ball, 13x12 Layout, 0.35mm Pitch, https://www.ti.com/lit/ml/mxbg383/mxbg383.pdf, https://www.ti.com/lit/ds/symlink/tps62800.pdf Texas Instruments, DSBGA, area grid, YZF, YZF0016, 2.39x2.39mm, 16 Ball, 4x4 Layout, 0.35mm Pitch, https://www.st.com/resource/en/datasheet/stm32h7a3ai.pdf ST WLCSP-156, ST die ID 479, 3.56x3.52mm, 64 Ball, 8x8 Layout, 0.4mm Pitch, https://www.ti.com/lit/ml/mxbg419/mxbg419.pdf, https://www.ti.com/lit/ds/symlink/tmp117.pdf Texas Instruments, DSBGA, 3.415x3.535x0.625mm, 64 ball 8x8 area grid, YZP, YZP0010, 1.86x1.36mm, 10 Ball, 3x4 Layout, 0.5mm Pitch, https://www.diodes.com/assets/Datasheets/AP22913.pdf WLCSP-4, 0.64x0.64mm, 4 Ball, 2x2 Layout, 0.35mm Pitch, https://www.st.com/resource/en/datasheet/stm32h725vg.pdf ST WLCSP-115, ST die ID 450, 4.96x4.64mm, 156 Ball, 13x12 Layout, 0.35mm Pitch, https://www.st.com/resource/en/datasheet/stm32h747xi.pdf DFN, 6 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-dfn/(DCB6)%20DFN%2005-08-1715%20Rev%20A.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 32 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T2055-3)), generated with kicad-footprint-generator JST VH series connector, BM04B-ACHSS-A-GAN-ETF (http://www.jst-mfg.com/product/pdf/eng/eACH.pdf), generated with kicad-footprint-generator connector Molex Micro-Latch side entry Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5566-22A, example for new mpn: 39-28-924x, 12 Pins (http://www.molex.com/pdm_docs/sd/559350530_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-139-02-xxx-DV-BE-LC, 39 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-123-02-xxx-DV-BE-A, 23 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf.

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