ADS7229IPWR

{
  "slug": "ads7229ipwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads7229ipwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads7229ipwr.kicad_sym",
    "ads7229ipwr.kicad_mod",
    "ads7229ipwr.glb",
    "ads7229ipwr.step",
    "ads7229ipwr.lbr",
    "docs/hero.png",
    "docs/ads7229ipwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads7229ipwr-hero.glb",
    "ads7229ipwr-hero.overlay.json",
    "ads7229ipwr-etched.glb"
  ],
  "component": {
    "mpn": "ADS7229IPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads7229.pdf",
    "parts": {
      "symbol": "ads7229ipwr.kicad_sym",
      "footprint": "ads7229ipwr.kicad_mod",
      "model_3d": "ads7229ipwr-hero.glb",
      "model_3d_plain": "ads7229ipwr-etched.glb",
      "model_3d_step": "ads7229ipwr-etched.step",
      "model_3d_step_plain": "ads7229ipwr.step",
      "lbr": "ads7229ipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2670249",
      "digikey": "ADS7229IPWR-ND",
      "mouser": "595-ADS7229IPWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-11T00:43:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADS7229IPWR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS7229IPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+VA",
        "type": "power_in",
        "description": "Analog supply, specified at +2.7V to +5.5VDC."
      },
      {
        "number": "2",
        "name": "RESERVED",
        "type": "input",
        "description": "Reserved pin; connect to AGND or +VA."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Noninverting analog input; the input span [(+IN) - (-IN)] is limited to 0V to VREF."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting analog input, usually connected to ground; its voltage is limited to AGND - 0.2V to AGND + 0.2V."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "6",
        "name": "REF-",
        "type": "input",
        "description": "Reference negative input; connect to AGND through an individual via, with (REF-) - AGND limited to -0.1V to 0.1V."
      },
      {
        "number": "7",
        "name": "REF+ (REFIN)",
        "type": "input",
        "description": "External reference input; VREF [(REF+) - (REF-)] must be within 0.3V to +VA."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "9",
        "name": "CONVST",
        "type": "input",
        "description": "Freezes the sample-and-hold and starts conversion on the next rising edge of the internal clock; requires a low pulse of at least 40 ns."
      },
      {
        "number": "10",
        "name": "EOC/INT/CDI",
        "type": "bidirectional",
        "description": "Status output programmable as EOC (low during conversion by default) or INT with programmable polarity; can also be the chain data input CDI in daisy-chain mode."
      },
      {
        "number": "11",
        "name": "FS/CS",
        "type": "input",
        "description": "Frame sync signal for the TMS320 DSP serial interface, or chip select input for the SPI slave select (SS-)."
      },
      {
        "number": "12",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input, read at the falling edge of SCLK."
      },
      {
        "number": "13",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output; active while FS/CS is low and 3-stated when FS/CS is brought high."
      },
      {
        "number": "14",
        "name": "BDGND",
        "type": "power_in",
        "description": "Interface ground."
      },
      {
        "number": "15",
        "name": "SCLK",
        "type": "input",
        "description": "Clock for the serial interface, up to 50MHz."
      },
      {
        "number": "16",
        "name": "+VBD",
        "type": "power_in",
        "description": "Interface supply, specified at 1.65V to 5.5V."
      }
    ],
    "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 datasheet lists RESERVED with I/O type 'I' but the description says only to connect it to AGND o; The terminal table gives I/O for EOC/INT/CDI; mapped to bidirectional, though its role changes with ; The pin list is for the ADS7229 (single-input) TSSOP variant, which matches MPN ADS7229IPWR (PW, TSS"
        ],
        "pages_sent": 53,
        "cost_usd": 0.2169,
        "at": "2026-11-11T00:43:23"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads7229.pdf",
        "pages": 53,
        "sha256": "1bf0bfdb6f068c2b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads7229ipwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads7229ipwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "08684e11cd22a90ed6fd9948018a557adeee72f95ddf432c042d92ccbdc64481",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "PW0016A",
      "source_page": 50,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          6.2,
          6.6
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ads7229ipwr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}