component
LAN7430-I
Public Made by Adomby adom
Microchip Tech Ethernet ICs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "lan7430-i",
"title": "LAN7430-I",
"brief": "Microchip Tech Ethernet ICs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"interface ics",
"lan7430-i",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LAN7430-I",
"manufacturer": "Microchip Tech",
"package": "QFN-48-EP(7x7)",
"pin_count": 49,
"category": "Interface ICs",
"subcategory": "Ethernet ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5f25e209ec0bef7f473d445a7584229d.pdf",
"parts": {
"symbol": "lan7430-i.kicad_sym",
"footprint": "lan7430-i.kicad_mod",
"model_3d": "lan7430-i-hero.glb",
"model_3d_plain": "lan7430-i-etched.glb",
"model_3d_step": "lan7430-i-etched.step",
"model_3d_step_plain": "lan7430-i.step",
"lbr": "lan7430-i.lbr"
},
"distributor_links": {
"lcsc": "C633485"
},
"distributor_check": {
"checked_at": "2026-11-07T01:05:40Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "AVDDH_1",
"type": "power_in",
"description": "2.5V or 3.3V analog I/O supply powering the Gigabit PHY transmitter, bandgap reference and crystal oscillator amplifier."
},
{
"number": "2",
"name": "TXRXP_A",
"type": "bidirectional",
"description": "Media Dependent Interface[0] positive differential signal (BI_DA+ in MDI, BI_DB+ in MDI-X for 1000BT; TX+/RX+ for 10/100)."
},
{
"number": "3",
"name": "TXRXM_A",
"type": "bidirectional",
"description": "Media Dependent Interface[0] negative differential signal (BI_DA- in MDI, BI_DB- in MDI-X for 1000BT; TX-/RX- for 10/100)."
},
{
"number": "4",
"name": "AVDDL_1",
"type": "power_in",
"description": "1.2V power for the Ethernet PHY analog core."
},
{
"number": "5",
"name": "TXRXP_B",
"type": "bidirectional",
"description": "Media Dependent Interface[1] positive differential signal (BI_DB+ in MDI, BI_DA+ in MDI-X for 1000BT; RX+/TX+ for 10/100)."
},
{
"number": "6",
"name": "TXRXM_B",
"type": "bidirectional",
"description": "Media Dependent Interface[1] negative differential signal (BI_DB- in MDI, BI_DA- in MDI-X for 1000BT; RX-/TX- for 10/100)."
},
{
"number": "7",
"name": "TXRXP_C",
"type": "bidirectional",
"description": "Media Dependent Interface[2] positive differential signal (BI_DC+ in MDI, BI_DD+ in MDI-X for 1000BT); not used in 10/100 modes."
},
{
"number": "8",
"name": "TXRXM_C",
"type": "bidirectional",
"description": "Media Dependent Interface[2] negative differential signal (BI_DC- in MDI, BI_DD- in MDI-X for 1000BT); not used in 10/100 modes."
},
{
"number": "9",
"name": "AVDDL_2",
"type": "power_in",
"description": "Additional 1.2V power pin for the Ethernet PHY analog core."
},
{
"number": "10",
"name": "TXRXP_D",
"type": "bidirectional",
"description": "Media Dependent Interface[3] positive differential signal (BI_DD+ in MDI, BI_DC+ in MDI-X for 1000BT); not used in 10/100 modes."
},
{
"number": "11",
"name": "TXRXM_D",
"type": "bidirectional",
"description": "Media Dependent Interface[3] negative differential signal (BI_DD- in MDI, BI_DC- in MDI-X for 1000BT); not used in 10/100 modes."
},
{
"number": "12",
"name": "AVDDH_2",
"type": "power_in",
"description": "2.5V or 3.3V analog I/O power for the Gigabit PHY transmitter."
},
{
"number": "13",
"name": "VDD12CORE",
"type": "power_in",
"description": "1.2V digital core power input."
},
{
"number": "14",
"name": "VP",
"type": "power_in",
"description": "1.2V PCIe PHY analog and digital power."
},
{
"number": "15",
"name": "GD_1",
"type": "power_in",
"description": "PCIe ground."
},
{
"number": "16",
"name": "PCIE_RX_P",
"type": "input",
"description": "PCIe serial data input positive, a differential receive link running at 2.5 GT/s."
},
{
"number": "17",
"name": "PCIE_RX_M",
"type": "input",
"description": "PCIe serial data input negative, a differential receive link running at 2.5 GT/s."
},
{
"number": "18",
"name": "GD_2",
"type": "power_in",
"description": "PCIe ground."
},
{
"number": "19",
"name": "PCIE_TX_P",
"type": "output",
"description": "PCIe serial data output positive at 2.5 GT/s; a 100nF to 200nF series capacitor is required."
},
{
"number": "20",
"name": "VPTX",
"type": "power_in",
"description": "1.2V PCIe PHY transmit power."
},
{
"number": "21",
"name": "PCIE_TX_M",
"type": "output",
"description": "PCIe serial data output negative at 2.5 GT/s; a 100nF to 200nF series capacitor is required."
},
{
"number": "22",
"name": "GD_3",
"type": "power_in",
"description": "PCIe ground."
},
{
"number": "23",
"name": "VPH",
"type": "power_in",
"description": "2.5V PCIe PHY power."
},
{
"number": "24",
"name": "RESREF",
"type": "passive",
"description": "External reference resistor pin, to be connected to ground through a 200 ohm 1% 100 ppm/°C resistor."
},
{
"number": "25",
"name": "PCIE_CLK_P",
"type": "input",
"description": "PCIe differential reference clock input positive, receiving a 100 MHz differential clock."
},
{
"number": "26",
"name": "PCIE_CLK_M",
"type": "input",
"description": "PCIe differential reference clock input negative, receiving a 100 MHz differential clock."
},
{
"number": "27",
"name": "VDD25_REG_OUT",
"type": "power_out",
"description": "2.5V output from the integrated LDO supplying the PCIe PHY and optionally the Gigabit Ethernet PHY AFE; needs a 1.0uF 0.1-ohm ESR capacitor."
},
{
"number": "28",
"name": "VDD_REG_IN",
"type": "power_in",
"description": "3.3V input supply to the integrated LDO; if set to 2.5V it must be connected externally to VDD25_REG_OUT."
},
{
"number": "29",
"name": "RESET_N",
"type": "input",
"description": "Active-low system reset; must be pulled up to VDDVARIO if unused."
},
{
"number": "30",
"name": "TEST",
"type": "input",
"description": "Enables test modes (internal pull-down); must be connected to ground for proper functional operation."
},
{
"number": "31",
"name": "VDD12CORE",
"type": "power_in",
"description": "1.2V digital core power input."
},
{
"number": "32",
"name": "VDD12_SW_OUT",
"type": "power_out",
"description": "1.2V unfiltered output from the integrated switching regulator, used with a 3.3uH inductor to the 1.2V supply."
},
{
"number": "33",
"name": "VDD_SW_IN",
"type": "power_in",
"description": "1.8V to 3.3V input voltage for the switching regulator."
},
{
"number": "34",
"name": "VDD12_SW_FB",
"type": "input",
"description": "Feedback pin for the integrated switching regulator; tie to VDD_SW_IN to disable the regulator."
},
{
"number": "35",
"name": "VAUX_DET/GPIO3/LED3/TCK",
"type": "bidirectional",
"description": "Auxiliary voltage detect (internal pull-down; tie to 3.3V aux to indicate PME from D3cold support) shared with GPIO3, LED3 and JTAG TCK."
},
{
"number": "36",
"name": "EECLK/GPIO2/LED2/TMS/ADV_PM_DISABLE",
"type": "bidirectional",
"description": "EEPROM clock output shared with GPIO2, LED2, JTAG TMS and the ADV_PM_DISABLE configuration strap latched at reset."
},
{
"number": "37",
"name": "EEDIO/GPIO1/LED1/TDO",
"type": "bidirectional",
"description": "Bidirectional EEPROM data pin (internal pull-down) shared with GPIO1, LED1 and JTAG TDO."
},
{
"number": "38",
"name": "EECS/GPIO0/LED0/TDI",
"type": "bidirectional",
"description": "EEPROM chip-select output (internal pull-down holds low during reset) shared with GPIO0, LED0 and JTAG TDI."
},
{
"number": "39",
"name": "VDDVARIO",
"type": "power_in",
"description": "1.8V to 3.3V variable supply for IOs."
},
{
"number": "40",
"name": "VDD12CORE",
"type": "power_in",
"description": "1.2V digital core power input."
},
{
"number": "41",
"name": "VDD_OTP",
"type": "power_in",
"description": "3.3V supply to the OTP charge pump, also the 3.3V supply for PCIe I/Os (CLKREQ#, WAKE#, PERST#)."
},
{
"number": "42",
"name": "CLKREQ#",
"type": "bidirectional",
"description": "Clock request used to power manage the link clock and for L1 PM sub-state control; Schmitt input / 4 mA open-drain output."
},
{
"number": "43",
"name": "WAKE#",
"type": "bidirectional",
"description": "Driven low when the device detects a wakeup; used as an input for OBFF events in OBFF mode; Schmitt input / 4 mA open-drain output."
},
{
"number": "44",
"name": "PERST#",
"type": "input",
"description": "PCIe reset input indicating both PCIe power and clock are available."
},
{
"number": "45",
"name": "AVDD12",
"type": "power_in",
"description": "1.2V power for the PLL/DLL."
},
{
"number": "46",
"name": "XO",
"type": "output",
"description": "Crystal output connected to one lead of the 25MHz crystal; not connected when an oscillator or external clock is used."
},
{
"number": "47",
"name": "XI",
"type": "input",
"description": "Crystal or oscillator input: one lead of the 25MHz crystal, or the clock source input for a 3.3V oscillator or external clock with ±50ppm tolerance."
},
{
"number": "48",
"name": "ISET",
"type": "passive",
"description": "External PHY bias resistor pin, to be connected to ground through a 6.04K 1% resistor."
},
{
"number": "49",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Exposed pad is not numbered in the datasheet; '49' is an assumed designation for the VSS exposed pad; Datasheet gives buffer types (AI/AIO/P) but not KiCad ERC types; types for analog and mixed pins (RE; Package hint says QFN-48-EP(7x7); the datasheet calls the LAN7430-I package 48-SQFN (Y9X) 7x7 mm wit",
"33/49 pins cited to the wrong page (name found elsewhere): ['9:AVDDL_2@p24', '12:AVDDH_2@p23', '13:VDD12CORE@p24', '14:VP@p24']",
"1/49 pin names appear NOWHERE in the datasheet text: ['46:XO@p21']"
],
"pages_sent": 38,
"cost_usd": 0.2334,
"at": "2026-11-07T01:05:31"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/5f25e209ec0bef7f473d445a7584229d.pdf",
"pages": 77,
"sha256": "3322865bd323f04f",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lan7430-i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
"checked": "2026-11-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lan7430-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e0a72217a3ad3cf0b1c6f4303ad0de3da326612b77f2dcd4d209f61e6191296d",
"checked": "2026-11-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "QFN-48-EP(7x7)",
"Category": "Interface ICs",
"Pins": "49"
},
"appearance": {
"housing": {
"quote": "• Energy Efficient Ethernet (EEE) Support with Low-Power Idle (LPI) Mode and Clock Stoppage for 100BASE-TX/",
"page": 35,
"doc": "ds.pdf",
"material": "ppa"
},
"version": 1,
"datasheet_sha256": "3322865bd323f04f809fa1d01f5c31f8367892367ae4b0e73f1ff9bf23b66d54"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "3322865bd323f04f809fa1d01f5c31f8367892367ae4b0e73f1ff9bf23b66d54",
"rows": [
{
"name": "Supply Voltage (VDD_SW_IN)",
"symbol": "VDD_SW_IN",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Supply Voltage (VDDVARIO, VDDVARIO_B)",
"symbol": "VDDVARIO",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Supply Voltage (VDD_REG_IN, VDD_OTP)",
"symbol": "VDD_REG_IN",
"kind": "recommended_operating",
"unit": "V",
"min": 2.97,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "+2.5/3.3 V Ethernet PHY Analog Supply Voltage (AVDDH_1, AVDDH_2)",
"symbol": "AVDDH_1, AVDDH_2",
"kind": "recommended_operating",
"unit": "V",
"min": 2.33,
"typ": null,
"max": 2.75,
"conditions": "2.5 V option, Note 7-2",
"source_page": 48,
"source": "datasheet"
},
{
"name": "+2.5/3.3 V Ethernet PHY Analog Supply Voltage (AVDDH_1, AVDDH_2)",
"symbol": "AVDDH_1, AVDDH_2",
"kind": "recommended_operating",
"unit": "V",
"min": 2.97,
"typ": null,
"max": 3.63,
"conditions": "3.3 V option",
"source_page": 48,
"source": "datasheet"
},
{
"name": "+2.5 V PCIe PHY Analog Supply Voltage (VPH)",
"symbol": "VPH",
"kind": "recommended_operating",
"unit": "V",
"min": 2.33,
"typ": null,
"max": 2.75,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "+1.2 V PCIe PHY Analog Supply Voltage (VPTX, VP)",
"symbol": "VPTX, VP",
"kind": "recommended_operating",
"unit": "V",
"min": 1.12,
"typ": null,
"max": 1.32,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "+1.2 V Ethernet PHY Analog Supply Voltage (AVDD12, AVDDL_1, AVDDL_2)",
"symbol": "AVDD12, AVDDL_1, AVDDL_2",
"kind": "recommended_operating",
"unit": "V",
"min": 1.14,
"typ": null,
"max": 1.32,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Digital Supply Voltage (VDD12CORE)",
"symbol": "VDD12CORE",
"kind": "recommended_operating",
"unit": "V",
"min": 1.14,
"typ": null,
"max": 1.32,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Ambient Operating Temperature in Still Air",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "industrial version (Note 7-3)",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Positive voltage on input signal pins, with respect to ground (operating)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Negative voltage on input signal pins, with respect to ground (operating)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
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"source_page": 48,
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{
"name": "Supply Voltage (VDDVARIO, VDDVARIO_B, VDD_SW_IN, VDD_REG_IN, VDD_OTP)",
"symbol": "VDDVARIO, VDDVARIO_B, VDD_SW_IN, VDD_REG_IN, VDD_OTP",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 4.6,
"conditions": "Note 7-1",
"source_page": 48,
"source": "datasheet"
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