DP83848TSQ

{
  "slug": "dp83848tsq",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Ethernet Transceivers, WQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "dp83848tsq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dp83848tsq.kicad_sym",
    "dp83848tsq.kicad_mod",
    "dp83848tsq.glb",
    "dp83848tsq.step",
    "dp83848tsq.lbr",
    "docs/hero.png",
    "docs/dp83848tsq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DP83848TSQ",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Interface",
    "subcategory": "Ethernet Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dp83848t",
    "parts": {
      "symbol": "dp83848tsq.kicad_sym",
      "footprint": "dp83848tsq.kicad_mod",
      "model_3d": "dp83848tsq-etched.glb",
      "model_3d_plain": "dp83848tsq.glb",
      "model_3d_step": "dp83848tsq-etched.step",
      "model_3d_step_plain": "dp83848tsq.step",
      "lbr": "dp83848tsq.lbr"
    },
    "distributor_links": {
      "lcsc": "C92110"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T19:15:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IOVDD33",
        "type": "power_in",
        "description": "I/O 3.3-V Supply"
      },
      {
        "number": "2",
        "name": "TX_CLK",
        "type": "output",
        "description": "MII Transmit Clock output at 25 MHz for 100 Mb/s mode or 2.5 MHz for 10 Mb/s mode."
      },
      {
        "number": "3",
        "name": "TX_EN",
        "type": "input",
        "description": "MII Transmit Enable active high input with internal pulldown indicating valid data on TXD[3:0]."
      },
      {
        "number": "4",
        "name": "TXD_0",
        "type": "input",
        "description": "MII Transmit Data bit 0 input synchronous to TX_CLK."
      },
      {
        "number": "5",
        "name": "TXD_1",
        "type": "input",
        "description": "MII Transmit Data bit 1 input synchronous to TX_CLK."
      },
      {
        "number": "6",
        "name": "TXD_2",
        "type": "input",
        "description": "MII Transmit Data bit 2 input synchronous to TX_CLK."
      },
      {
        "number": "7",
        "name": "TXD_3",
        "type": "input",
        "description": "MII Transmit Data bit 3 input with internal pulldown synchronous to TX_CLK."
      },
      {
        "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) accepting 100BASE-TX or 10BASE-T signaling with 3.3-V bias requirement."
      },
      {
        "number": "12",
        "name": "RD+",
        "type": "bidirectional",
        "description": "Differential receive input (PMD Input Pair) accepting 100BASE-TX or 10BASE-T signaling with 3.3-V bias requirement."
      },
      {
        "number": "13",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog Ground connection."
      },
      {
        "number": "14",
        "name": "TD-",
        "type": "bidirectional",
        "description": "Differential transmit output (PMD Output Pair) configured for 10BASE-T or 100BASE-TX with 3.3-V bias, can be RX pair in Auto-MDIX mode."
      },
      {
        "number": "15",
        "name": "TD+",
        "type": "bidirectional",
        "description": "Differential transmit output (PMD Output Pair) configured for 10BASE-T or 100BASE-TX with 3.3-V bias, can be RX pair in Auto-MDIX mode."
      },
      {
        "number": "16",
        "name": "PFBIN1",
        "type": "input",
        "description": "Power Feedback Input fed from PFBOUT pin requiring 0.1 µF capacitor placed close to pin."
      },
      {
        "number": "17",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog Ground connection."
      },
      {
        "number": "18",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog 3.3-V Supply input."
      },
      {
        "number": "19",
        "name": "PFBOUT",
        "type": "output",
        "description": "Power Feedback Output requiring 10 µF tantalum and 0.1 µF capacitors placed close to pin."
      },
      {
        "number": "20",
        "name": "RBIAS",
        "type": "input",
        "description": "Bias Resistor Connection requiring 4.87-kΩ 1% resistor connected from this pin to GND."
      },
      {
        "number": "21",
        "name": "CLK_OUT",
        "type": "output",
        "description": "25-MHz Clock Output for DP83848T variant eliminating need for additional clock source component."
      },
      {
        "number": "22",
        "name": "LED_LINK/AN0",
        "type": "output",
        "description": "Link LED output with internal pullup indicating LINK status or strapping pin for Auto-Negotiation mode selection."
      },
      {
        "number": "23",
        "name": "RESET_N",
        "type": "input",
        "description": "Active Low hardware reset input with internal pullup requiring minimum 1 µs pulse width to initialize device."
      },
      {
        "number": "24",
        "name": "MDIO",
        "type": "bidirectional",
        "description": "Management Data I/O bi-directional management instruction/data signal requiring 1.5 kΩ external pullup resistor."
      },
      {
        "number": "25",
        "name": "MDC",
        "type": "input",
        "description": "Management Data Clock synchronous clock to MDIO serial interface with maximum 25 MHz rate and no minimum rate."
      },
      {
        "number": "26",
        "name": "IOVDD33",
        "type": "power_in",
        "description": "I/O 3.3-V Supply input."
      },
      {
        "number": "27",
        "name": "X2",
        "type": "output",
        "description": "Crystal Output for external 25-MHz crystal resonator connection or left floating when CMOS oscillator is used."
      },
      {
        "number": "28",
        "name": "X1",
        "type": "input",
        "description": "Crystal/Oscillator Input for 25-MHz reference clock in MII mode or 50-MHz in RMII mode with 0.005% tolerance."
      },
      {
        "number": "29",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground connection."
      },
      {
        "number": "30",
        "name": "PFBIN2",
        "type": "input",
        "description": "Power Feedback Input fed from PFBOUT pin requiring 0.1 µF capacitor placed close to pin."
      },
      {
        "number": "31",
        "name": "RX_CLK",
        "type": "output",
        "description": "MII Receive Clock output at 25 MHz for 100 Mb/s mode or 2.5 MHz for 10 Mb/s mode, unused in RMII mode."
      },
      {
        "number": "32",
        "name": "RX_DV/MII_MODE",
        "type": "output",
        "description": "MII Receive Data Valid output with internal pulldown asserted when valid data present, or MII Mode strapping pin (0=MII, 1=RMII)."
      },
      {
        "number": "33",
        "name": "CRS/CRS_DV/LED_CFG",
        "type": "output",
        "description": "MII Carrier Sense output with internal pullup asserted when receive medium non-idle, or LED Configuration strapping pin."
      },
      {
        "number": "34",
        "name": "RX_ER/MDIX_EN",
        "type": "output",
        "description": "MII Receive Error output with internal pullup asserted high to indicate invalid symbol detected, or Auto-MDIX Enable strapping pin."
      },
      {
        "number": "35",
        "name": "COL/PHYAD0",
        "type": "output",
        "description": "MII Collision Detect output with internal pullup asserted for collision or heartbeat in half-duplex 10 Mb/s, or PHY Address bit 0 strapping pin."
      },
      {
        "number": "36",
        "name": "RXD_0/PHYAD1",
        "type": "output",
        "description": "MII Receive Data bit 0 with internal pulldown driven synchronously to RX_CLK, or PHY Address bit 1 strapping pin."
      },
      {
        "number": "37",
        "name": "RXD_1/PHYAD2",
        "type": "output",
        "description": "MII Receive Data bit 1 with internal pulldown driven synchronously to RX_CLK, or PHY Address bit 2 strapping pin."
      },
      {
        "number": "38",
        "name": "RXD_2/PHYAD3",
        "type": "output",
        "description": "MII Receive Data bit 2 with internal pulldown driven synchronously to RX_CLK, or PHY Address bit 3 strapping pin."
      },
      {
        "number": "39",
        "name": "RXD_3/PHYAD4",
        "type": "output",
        "description": "MII Receive Data bit 3 with internal pulldown driven synchronously to RX_CLK, or PHY Address bit 4 strapping pin."
      },
      {
        "number": "40",
        "name": "IOGND",
        "type": "power_in",
        "description": "I/O Ground connection."
      },
      {
        "number": "41",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: DP83848TSQ (T variant) has CLK_OUT on PIN 21 instead of LED_SPEED which appears on DP83848J/K varian; Multiple pins (22, 32, 33, 34, 35, 36, 37, 38, 39) function as both strapping options during reset a; PMD interface pins (11, 12, 14, 15) are bidirectional for auto-MDIX operation where RD± can transmit",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 87,
        "cost_usd": 0.7673,
        "at": "2026-09-26T19:15:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dp83848t",
        "pages": 87,
        "sha256": "942d2ded17c4be60",
        "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": "dp83848tsq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dp83848tsq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b71b5e456ca74c66e677f7d9d3274f1940189df1f108e059e78a11544d30c46",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}