TDA8034HN

{
  "slug": "tda8034hn",
  "version": "0.1.0",
  "type": "component",
  "description": "NXP Semicon Interface - Specialized, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tda8034hn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tda8034hn.kicad_sym",
    "tda8034hn.kicad_mod",
    "tda8034hn.glb",
    "tda8034hn.step",
    "tda8034hn.lbr",
    "docs/hero.png",
    "docs/tda8034hn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tda8034hn-hero.glb",
    "tda8034hn-hero.overlay.json",
    "tda8034hn-etched.glb"
  ],
  "component": {
    "mpn": "TDA8034HN",
    "manufacturer": "NXP Semicon",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Interface",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.nxp.com/docs/en/data-sheet/TDA8034HN.pdf",
    "parts": {
      "symbol": "tda8034hn.kicad_sym",
      "footprint": "tda8034hn.kicad_mod",
      "model_3d": "tda8034hn-hero.glb",
      "model_3d_plain": "tda8034hn-etched.glb",
      "model_3d_step": "tda8034hn-etched.step",
      "model_3d_step_plain": "tda8034hn.step",
      "lbr": "tda8034hn.lbr"
    },
    "distributor_links": {
      "lcsc": "C515570"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:03:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD(INTF)",
        "type": "power_in",
        "description": "Interface supply voltage; all interface signals to the system controller are referenced to this supply."
      },
      {
        "number": "2",
        "name": "VCC_SEL2",
        "type": "input",
        "description": "5 V or 3 V VCC selection input: active HIGH selects VCC = 5 V, and active LOW selects VCC = 3 V when VCC_SEL1 is HIGH."
      },
      {
        "number": "3",
        "name": "RSTIN",
        "type": "input",
        "description": "Microcontroller card reset input, active HIGH, referenced to VDD(INTF)."
      },
      {
        "number": "4",
        "name": "VCC_SEL1",
        "type": "input",
        "description": "1.8 V VCC selection input: active LOW selects VCC = 1.8 V, and active HIGH disables the 1.8 V selection."
      },
      {
        "number": "5",
        "name": "CMDVCCN",
        "type": "input",
        "description": "Microcontroller input that starts the card activation sequence, active LOW."
      },
      {
        "number": "6",
        "name": "CLKDIV1",
        "type": "input",
        "description": "Sets the card clock frequency on pin CLK together with pin CLKDIV2, per the clock configuration table (Table 4)."
      },
      {
        "number": "7",
        "name": "CLKDIV2",
        "type": "input",
        "description": "Sets the card clock frequency on pin CLK together with pin CLKDIV1, per the clock configuration table (Table 4)."
      },
      {
        "number": "8",
        "name": "PRESN",
        "type": "input",
        "description": "Card presence contact input, active LOW (card considered present when LOW), with built-in debounce typically 8 ms."
      },
      {
        "number": "9",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Card input/output data line (C7), protected half-duplex buffered I/O with an internal 11 kΩ pull-up to VCC."
      },
      {
        "number": "10",
        "name": "AUX1",
        "type": "bidirectional",
        "description": "Auxiliary card input/output data line (C4), protected half-duplex buffered I/O with an internal 11 kΩ pull-up to VCC."
      },
      {
        "number": "11",
        "name": "AUX2",
        "type": "bidirectional",
        "description": "Auxiliary card input/output data line (C8), protected half-duplex buffered I/O with an internal 11 kΩ pull-up to VCC."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "13",
        "name": "CLK",
        "type": "output",
        "description": "Card clock output (C3), with frequency set by CLKDIV1 and CLKDIV2 and up to 20 MHz."
      },
      {
        "number": "14",
        "name": "RST",
        "type": "output",
        "description": "Card reset output (C2), controlled non-inverted by pin RSTIN."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_out",
        "description": "Card supply output (C1) regulated to 5 V, 3 V or 1.8 V ±5 %, to be decoupled to GND with a 470 nF capacitor close to the pin and a 220 nF capacitor near the card socket contact, with ESR below 100 m (unit symbol truncated in the extracted text)."
      },
      {
        "number": "16",
        "name": "VDDP",
        "type": "power_in",
        "description": "Low-dropout regulator input supply: 4.85 V to 5.5 V when VCC_SEL2 is HIGH (VCC = 5 V), and 3 V to 5.5 V when VCC_SEL2 is LOW or VCC_SEL1 is LOW."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply voltage in the range 2.7 V to 3.6 V."
      },
      {
        "number": "18",
        "name": "PORADJ",
        "type": "input",
        "description": "Power-on reset threshold adjustment input using an optional external resistor bridge; connect to VDD(INTF) if the bridge is not required."
      },
      {
        "number": "19",
        "name": "OFFN",
        "type": "output",
        "description": "NMOS interrupt output to the microcontroller, active LOW, with an internal 20 kΩ pull-up to VDD(INTF)."
      },
      {
        "number": "20",
        "name": "I/OUC",
        "type": "bidirectional",
        "description": "Microcontroller input/output data line, with an internal 10 kΩ pull-up to VDD(INTF)."
      },
      {
        "number": "21",
        "name": "AUX1UC",
        "type": "bidirectional",
        "description": "Auxiliary microcontroller input/output data line, with an internal 10 kΩ pull-up to VDD(INTF)."
      },
      {
        "number": "22",
        "name": "AUX2UC",
        "type": "bidirectional",
        "description": "Auxiliary microcontroller input/output data line, with an internal 10 kΩ pull-up to VDD(INTF)."
      },
      {
        "number": "23",
        "name": "XTAL1",
        "type": "input",
        "description": "Crystal connection input, also usable as external clock input up to 26 MHz, referenced to VDD."
      },
      {
        "number": "24",
        "name": "XTAL2",
        "type": "output",
        "description": "Crystal connection output, referenced to VDD."
      },
      {
        "number": "25",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed thermal pad of the HVQFN (thermal enhanced) package is mentioned in the datasheet only a; Package hint 'VQFN-24-EP(4x4)' is taken as matching the datasheet's HVQFN24, body 4 x 4 x 0.85 mm, S; Pin 15 (VCC) is listed as the power_out ERC class because it is the output of the LDO regulator; the",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0798,
        "at": "2026-10-18T00:00:29"
      },
      "datasheet": {
        "url": "https://www.nxp.com/docs/en/data-sheet/TDA8034HN.pdf",
        "pages": 32,
        "sha256": "9170afcb1af97e4b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tda8034hn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tda8034hn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1f285ebcb63dd130052722acd568bfa2a654ec76dee6bb40a41671bbdb9dcc8a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}