component
DP83848QSQX
Public Made by Adomby adom
Texas Instruments Ethernet Transceivers, WQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "dp83848qsqx",
"title": "DP83848QSQX",
"brief": "Texas Instruments Ethernet Transceivers, WQFN-40-EP(6x6). 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",
"dp83848qsqx",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DP83848QSQX",
"manufacturer": "Texas Instruments",
"package": "WQFN-40-EP(6x6)",
"pin_count": 41,
"category": "Interface",
"subcategory": "Ethernet Transceivers",
"datasheet": "https://www.ti.com/cn/lit/gpn/dp83848q-q1",
"parts": {
"symbol": "dp83848qsqx.kicad_sym",
"footprint": "dp83848qsqx.kicad_mod",
"model_3d": "dp83848qsqx-hero.glb",
"model_3d_plain": "dp83848qsqx-etched.glb",
"model_3d_step": "dp83848qsqx-etched.step",
"model_3d_step_plain": "dp83848qsqx.step",
"lbr": "dp83848qsqx.lbr"
},
"distributor_links": {
"lcsc": "C2870260"
},
"distributor_check": {
"checked_at": "2026-10-17T19:05:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "IOVDD33",
"type": "power_in",
"description": "I/O 3.3-V supply; the recommended supply voltage is 3.3 V ± 0.3 V."
},
{
"number": "2",
"name": "TX_CLK",
"type": "output",
"description": "MII transmit clock output at 25 MHz in 100 Mb/s mode or 2.5 MHz in 10 Mb/s mode, derived from the 25 MHz reference; unused in RMII mode."
},
{
"number": "3",
"name": "TX_EN",
"type": "input",
"description": "MII transmit enable: active-high input indicating valid data on TXD[3:0] (RMII: valid data on TXD[1:0])."
},
{
"number": "4",
"name": "TXD_0",
"type": "input",
"description": "MII transmit data bit 0, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); in RMII mode, synchronous to the 50 MHz reference clock."
},
{
"number": "5",
"name": "TXD_1",
"type": "input",
"description": "MII transmit data bit 1, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); in RMII mode, synchronous to the 50 MHz reference clock."
},
{
"number": "6",
"name": "TXD_2",
"type": "input",
"description": "MII transmit data bit 2, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); not used in RMII mode."
},
{
"number": "7",
"name": "TXD_3",
"type": "input",
"description": "MII transmit data bit 3, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); not used in RMII mode."
},
{
"number": "8",
"name": "RESERVED",
"type": "unconnected",
"description": "Reserved pin that must be left unconnected."
},
{
"number": "9",
"name": "RESERVED",
"type": "unconnected",
"description": "Reserved pin that must be left unconnected."
},
{
"number": "10",
"name": "RESERVED",
"type": "unconnected",
"description": "Reserved pin that must be left unconnected."
},
{
"number": "11",
"name": "RD-",
"type": "bidirectional",
"description": "Differential receive input (PMD input pair) auto-configured for 100BASE-TX or 10BASE-T; requires 3.3 V bias, and in Auto-MDIX mode may be used as the transmit output pair."
},
{
"number": "12",
"name": "RD+",
"type": "bidirectional",
"description": "Differential receive input (PMD input pair) auto-configured for 100BASE-TX or 10BASE-T; requires 3.3 V bias, and in Auto-MDIX mode may be used as the transmit output pair."
},
{
"number": "13",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "14",
"name": "TD-",
"type": "bidirectional",
"description": "Differential transmit output (PMD output pair) automatically configured for 10BASE-T or 100BASE-TX; requires 3.3 V bias, and in Auto-MDIX mode may be used as the receive input pair."
},
{
"number": "15",
"name": "TD+",
"type": "bidirectional",
"description": "Differential transmit output (PMD output pair) automatically configured for 10BASE-T or 100BASE-TX; requires 3.3 V bias, and in Auto-MDIX mode may be used as the receive input pair."
},
{
"number": "16",
"name": "PFBIN1",
"type": "input",
"description": "Power feedback input fed only from PFBOUT, with a small 0.1 µF capacitor placed close to the pin; do not supply power to this pin from any other source."
},
{
"number": "17",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "18",
"name": "AVDD33",
"type": "power_in",
"description": "Analog 3.3-V supply."
},
{
"number": "19",
"name": "PFBOUT",
"type": "output",
"description": "Power feedback output; parallel 10 µF (tantalum preferred) and 0.1 µF capacitors should be placed close to it, and it connects to PFBIN1 and PFBIN2."
},
{
"number": "20",
"name": "RBIAS",
"type": "input",
"description": "Bias resistor connection: a 4.87 kΩ 1% resistor must be connected from RBIAS to GND."
},
{
"number": "21",
"name": "CLK_OUT",
"type": "output",
"description": "System clock output: 25 MHz in MII mode and 50 MHz in RMII mode; in RMII mode the system clock output is not recommended as the MAC reference clock."
},
{
"number": "22",
"name": "LED_LINK/AN0",
"type": "bidirectional",
"description": "LED_LINK output (ON when link is good; blinks on activity in Mode 2), which doubles as the AN0 strap sampled at hardware reset; it must never be connected directly to GND or VCC, and only a 2.2 kΩ resistor should be used."
},
{
"number": "23",
"name": "RESET_N",
"type": "input",
"description": "Active-low reset input; asserting it low for at least 1 µs forces a reset that re-initializes all registers and re-latches the strap options."
},
{
"number": "24",
"name": "MDIO",
"type": "bidirectional",
"description": "Management data I/O, bidirectional serial data for the station management interface; requires a 1.5 kΩ pull-up resistor."
},
{
"number": "25",
"name": "MDC",
"type": "input",
"description": "Management data clock, synchronous to MDIO; maximum 25 MHz with no minimum clock rate."
},
{
"number": "26",
"name": "IOVDD33",
"type": "power_in",
"description": "I/O 3.3-V supply; the recommended supply voltage is 3.3 V ± 0.3 V."
},
{
"number": "27",
"name": "X2",
"type": "output",
"description": "Crystal output for an external 25 MHz crystal resonator; must be left unconnected when an external CMOS oscillator drives X1."
},
{
"number": "28",
"name": "X1",
"type": "input",
"description": "Primary clock reference input, which must be a 25 MHz ±50 ppm clock source (crystal across X1/X2 or CMOS oscillator on X1); in RMII mode it is a 50 MHz ±50 ppm CMOS oscillator input."
},
{
"number": "29",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "30",
"name": "PFBIN2",
"type": "input",
"description": "Power feedback input fed only from PFBOUT, with a small 0.1 µF capacitor placed close to the pin; do not supply power to this pin from any other source."
},
{
"number": "31",
"name": "RX_CLK",
"type": "output",
"description": "MII receive clock providing 25 MHz recovered clock for 100 Mb/s mode and 2.5 MHz for 10 Mb/s mode; unused in RMII mode."
},
{
"number": "32",
"name": "RX_DV/MII_MODE",
"type": "bidirectional",
"description": "MII receive data valid (RMII: synchronous receive data valid), with MII_MODE strap where 0 selects MII and 1 selects RMII; the internal pull-down makes the default 0."
},
{
"number": "33",
"name": "CRS/CRS_DV/LED_CFG",
"type": "bidirectional",
"description": "MII carrier sense (RMII: combined CRS/receive data valid), with LED_CFG strap selecting LED mode; the default is Mode 1 and the pin has an internal pull-up."
},
{
"number": "34",
"name": "RX_ER/MDIX_EN",
"type": "bidirectional",
"description": "MII receive error output, with MDIX_EN strap where the default enables Auto-MDIX and an external pull-down disables it."
},
{
"number": "35",
"name": "COL/PHYAD0",
"type": "bidirectional",
"description": "MII collision detect output, with PHYAD0 strap sampled at reset (weak internal pull-up)."
},
{
"number": "36",
"name": "RXD_0/PHYAD1",
"type": "bidirectional",
"description": "MII receive data bit 0 (RMII: RXD0), with PHYAD1 strap sampled at reset (weak internal pull-down)."
},
{
"number": "37",
"name": "RXD_1/PHYAD2",
"type": "bidirectional",
"description": "MII receive data bit 1 (RMII: RXD1), with PHYAD2 strap sampled at reset (weak internal pull-down)."
},
{
"number": "38",
"name": "RXD_2/PHYAD3",
"type": "bidirectional",
"description": "MII receive data bit 2, with PHYAD3 strap sampled at reset (weak internal pull-down)."
},
{
"number": "39",
"name": "RXD_3/PHYAD4",
"type": "bidirectional",
"description": "MII receive data bit 3, with PHYAD4 strap sampled at reset (weak internal pull-down)."
},
{
"number": "40",
"name": "IOGND",
"type": "power_in",
"description": "I/O ground."
},
{
"number": "41",
"name": "DAP",
"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-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet says DAP is 'NC or GND' (optional). Typed as passive rather than power_in because it may b; Section 3.10 lists these as type I/O but states they must be left unconnected. Typed as unconnected ; Table 5-5 (page 34) lists PHYAD0-4 as pins 42-46, which do not exist on the 40-pin package. Section ",
"exposed pad 41 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 24,
"cost_usd": 0.1435,
"at": "2026-10-17T19:02:11"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/dp83848q-q1",
"pages": 86,
"sha256": "51891fdd0dd79df6",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "dp83848qsqx.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "dp83848qsqx-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "bb884f71ead1c5ca6333d121930136e4f4e9d1ffd13d17106045aee6818d92f1",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-40-EP(6x6)",
"Category": "Interface",
"Pins": "41"
},
"appearance": {
"housing": {
"quote": "The link pulse generator produces pulses as defined in the IEEE 802.3 10BASE-T standard. Each link pulse is nominally 100 ns in duration and transmitted every 16 ms in the absence of transmit data.",
"page": 44,
"doc": "ds.pdf",
"material": "abs"
},
"version": 1,
"datasheet_sha256": "51891fdd0dd79df697f9e6d9341be2a4fd22d57a18faf58a4c02ba1b20130a2c"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "51891fdd0dd79df697f9e6d9341be2a4fd22d57a18faf58a4c02ba1b20130a2c",
"rows": [
{
"name": "Supply Voltage (VCC)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 4.2,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "DC Input Voltage (VIN)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "DC Output Voltage (VOUT)",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Maximum Case Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 115,
"conditions": "for TA = 105°C",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Maximum Die Temperature (TJ)",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Lead Temp. (TL) soldering",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 sec.",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "ESD Human body model (HBM)",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -4000,
"typ": null,
"max": 4000,
"conditions": "HBM per AEC Q100-002, RZAP = 1.5k, CZAP = 100 pF",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Supply voltage (VCC)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": 3.3,
"max": 0.3,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Ambient Temperature (TA)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Power Dissipation (PD)",
"symbol": "PD",
"kind": "recommended_operating",
"unit": "mW",
"min": null,
"typ": null,
"max": 267,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input High Voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "Nominal VCC",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Input Low Voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Input High Current",
"symbol": "IIH",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VIN = VCC",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Input Low Current",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VIN = GND",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 4 mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "TRI-STATE Leakage",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "VOUT = VCC; VOUT = GND",
"source_page": 12,
"source": "datasheet"
},
{
"name": "100M Transmit Voltage",
"symbol": "VTPTD_100",
"kind": "electrical",
"unit": "V",
"min": 0.95,
"typ": 1,
"max": 1.05,
"conditions": "PMD Output Pair",
"source_page": 12,
"source": "datasheet"
},
{
"name": "100M Transmit Voltage Symmetry",
"symbol": "VTPTDsym",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "PMD Output Pair",
"source_page": 12,
"source": "datasheet"
},
{
"name": "10M Transmit Voltage",
"symbol": "VTPTD_10",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": 2.5,
"max": 2.8,
"conditions": "PMD Output Pair",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Post Power Up Stabilization time prior to MDC preamble",
"symbol": "",
"kind": "timing",
"unit": "ms",
"min": 167,
"typ": null,
"max": null,
"conditions": "MDIO is pulled high for 32-bit serial management initialization",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Hardware Configuration Latch-in Time from power up",
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