component
KSZ9031RNX (Gigabit Ethernet PHY, RGMII)
Public Unreviewedby John Lauer
Microchip KSZ9031RNX Gigabit Ethernet PHY (RGMII), QFN-48 7x7mm. KiCad symbol/footprint/3D plus Adom footprint variants: heatsink vias, 300um solder balls, rounded pads.
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{
"schema_version": 1,
"type": "hardware",
"kind": "component",
"slug": "ksz9031rnx",
"title": "KSZ9031RNX (Gigabit Ethernet PHY, RGMII)",
"brief": "Microchip KSZ9031RNX Gigabit Ethernet PHY (RGMII), QFN-48 7x7mm. KiCad symbol/footprint/3D plus Adom footprint variants: heatsink vias, 300um solder balls, rounded pads.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"ethernet",
"phy",
"rgmii",
"ksz9031rnx",
"qfn48",
"microchip",
"footprint-variants"
],
"component": {
"mpn": "KSZ9031RNX",
"manufacturer": "Microchip",
"package": "QFN-48 7x7mm 0.5mm pitch, 5.15mm EP",
"pin_count": 49,
"category": "Interface",
"subcategory": "Ethernet PHY",
"datasheet": "https://www.microchip.com/en-us/product/ksz9031",
"parts": {
"symbol": "ksz9031rnx.kicad_sym",
"footprint": "ksz9031rnx-qfn48-7x7.kicad_mod",
"model_3d": "ksz9031rnx.glb"
},
"footprint_variants": {
"manifest": "ksz9031rnx-qfn48-7x7.variants.json",
"generator": "footprint-widgets/tools/make-variants.py (adom-footprint 1.0.22 rules)"
},
"pins": [
{
"number": "1",
"name": "AVDDH",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "2",
"name": "TXRXP_A",
"type": "io",
"kicad_type": "input"
},
{
"number": "3",
"name": "TXRXM_A",
"type": "io",
"kicad_type": "input"
},
{
"number": "4",
"name": "AVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "5",
"name": "TXRXP_B",
"type": "io",
"kicad_type": "input"
},
{
"number": "6",
"name": "TXRXM_B",
"type": "io",
"kicad_type": "input"
},
{
"number": "7",
"name": "TXRXP_C",
"type": "io",
"kicad_type": "input"
},
{
"number": "8",
"name": "TXRXM_C",
"type": "io",
"kicad_type": "input"
},
{
"number": "9",
"name": "AVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "10",
"name": "TXRXP_D",
"type": "io",
"kicad_type": "input"
},
{
"number": "11",
"name": "TXRXM_D",
"type": "io",
"kicad_type": "input"
},
{
"number": "12",
"name": "AVDDH",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "13",
"name": "NC",
"type": "other",
"kicad_type": "no_connect"
},
{
"number": "14",
"name": "DVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "15",
"name": "LED2/PHYAD1",
"type": "ctrl",
"kicad_type": "bidirectional"
},
{
"number": "16",
"name": "DVDDH",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "17",
"name": "LED1/PHAD0/PME_N1",
"type": "ctrl",
"kicad_type": "bidirectional"
},
{
"number": "18",
"name": "DVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "19",
"name": "TXD0",
"type": "io",
"kicad_type": "input"
},
{
"number": "20",
"name": "TXD1",
"type": "io",
"kicad_type": "input"
},
{
"number": "21",
"name": "TXD2",
"type": "io",
"kicad_type": "input"
},
{
"number": "22",
"name": "TXD3",
"type": "io",
"kicad_type": "input"
},
{
"number": "23",
"name": "DVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "24",
"name": "GTX_CLK",
"type": "clock",
"kicad_type": "input"
},
{
"number": "25",
"name": "TX_EN",
"type": "io",
"kicad_type": "input"
},
{
"number": "26",
"name": "DVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "27",
"name": "RXD3/MODE3",
"type": "io",
"kicad_type": "input"
},
{
"number": "28",
"name": "RXD2/MODE2",
"type": "io",
"kicad_type": "input"
},
{
"number": "29",
"name": "VSS",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "30",
"name": "DVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "31",
"name": "RXD1/MODE1",
"type": "io",
"kicad_type": "input"
},
{
"number": "32",
"name": "RXD0/MODE0",
"type": "io",
"kicad_type": "input"
},
{
"number": "33",
"name": "RX_DV/CLK125_EN",
"type": "clock",
"kicad_type": "input"
},
{
"number": "34",
"name": "DVDDH",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "35",
"name": "RX_CLK/PHYAD2",
"type": "clock",
"kicad_type": "input"
},
{
"number": "36",
"name": "MDC",
"type": "ctrl",
"kicad_type": "input"
},
{
"number": "37",
"name": "MDIO",
"type": "ctrl",
"kicad_type": "input"
},
{
"number": "38",
"name": "INT_N/PME_N2",
"type": "ctrl",
"kicad_type": "input"
},
{
"number": "39",
"name": "DVDDL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "40",
"name": "DVDDH",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "41",
"name": "CLK125_NDO/LED_MODE",
"type": "clock",
"kicad_type": "input"
},
{
"number": "42",
"name": "RESET_N",
"type": "ctrl",
"kicad_type": "input"
},
{
"number": "43",
"name": "LDO_O",
"type": "io",
"kicad_type": "input"
},
{
"number": "44",
"name": "AVDDL_PLL",
"type": "power",
"kicad_type": "power_in"
},
{
"number": "45",
"name": "XO",
"type": "io",
"kicad_type": "input"
},
{
"number": "46",
"name": "XI",
"type": "io",
"kicad_type": "input"
},
{
"number": "47",
"name": "NC",
"type": "other",
"kicad_type": "no_connect"
},
{
"number": "48",
"name": "ISET",
"type": "ctrl",
"kicad_type": "output"
},
{
"number": "49",
"name": "EXPOSED PAD (VSS)",
"type": "power",
"kicad_type": "power_in"
}
],
"provenance": {
"symbol": "KiCad official Interface_Ethernet:KSZ9031RNXCA (CC-BY-SA 4.0)",
"footprint": "KiCad official Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm geometry; square corners + full-paste EP in the baseline, roundrect in -RR",
"model_3d": "KiCad official packages3D STEP; GLB via step2glb",
"pins": {
"total": 49,
"named": 49,
"described": 0,
"source": "KiCad symbol pin names/types joined to footprint pad positions",
"refuses_to_fabricate": true
}
}
},
"metadata": {
"specs": {
"Function": "10/100/1000BASE-T Ethernet PHY with RGMII MAC interface",
"Package": "QFN-48, 7.0 x 7.0 mm, 0.5 mm pitch",
"Exposed pad": "5.15 x 5.15 mm (pad 49, VSS)",
"Pins": "48 + EP",
"Land pattern": "KiCad QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm geometry"
}
},
"discovery_triggers": [
"ksz9031rnx",
"ksz9031",
"gigabit ethernet phy",
"rgmii phy",
"qfn-48 footprint variants",
"heatsink vias footprint",
"solder ball footprint"
],
"discovery_pitch": "Microchip KSZ9031RNX RGMII Gigabit Ethernet PHY with KiCad symbol/footprint/3D and the Adom footprint-variant family (heatsink vias, 300um solder balls, rounded pads), browsable in-page with the adom-footprint-variants widget.",
"author": {
"name": "John Lauer",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"sections": [
"hero",
"readme",
"breadcrumbs",
"info"
],
"files": [
"page.json",
"README.md",
"ksz9031rnx.kicad_sym",
"ksz9031rnx-qfn48-7x7.kicad_mod",
"ksz9031rnx-qfn48-7x7-HV.kicad_mod",
"ksz9031rnx-qfn48-7x7-SB.kicad_mod",
"ksz9031rnx-qfn48-7x7-RR.kicad_mod",
"ksz9031rnx-qfn48-7x7-HV-SB-RR.kicad_mod",
"ksz9031rnx-qfn48-7x7.variants.json",
"ksz9031rnx-qfn48-7x7.heatsink-vias.json",
"ksz9031rnx-qfn48-7x7-SB.solder-balls.json",
"ksz9031rnx-pinout.json",
"ksz9031rnx.glb",
"ksz9031rnx.step",
"docs/hero.png"
],
"source": {
"tool": "kicad",
"url": "https://gitlab.com/kicad/libraries"
},
"updated_at": "2026-08-31T13:44:06.686Z"
}