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Ray Set visibility: public e77b675 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ina203aipwr",
  "title": "INA203AIPWR",
  "brief": "Texas Instruments Current-Sensing Amplifiers, TSSOP-14. 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",
    "amplifiers",
    "ina203aipwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "INA203AIPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Amplifiers",
    "subcategory": "Current-Sensing Amplifiers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina203ai.pdf",
    "parts": {
      "symbol": "ina203aipwr.kicad_sym",
      "footprint": "ina203aipwr.kicad_mod",
      "model_3d": "ina203aipwr-hero.glb",
      "model_3d_plain": "ina203aipwr-etched.glb",
      "model_3d_step": "ina203aipwr-etched.step",
      "model_3d_step_plain": "ina203aipwr.step",
      "lbr": "ina203aipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864395"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:02:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 725 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VS",
        "type": "power_in",
        "description": "Power supply pin, operating range 2.7 V to 18 V."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Current-shunt monitor analog output voltage, limited to GND - 0.3 V to VS + 0.3 V."
      },
      {
        "number": "3",
        "name": "CMP1 IN-/0.6V REF",
        "type": "input",
        "description": "Comparator 1 negative input, can be used to override the internal 0.6-V reference."
      },
      {
        "number": "4",
        "name": "CMP1 IN+",
        "type": "input",
        "description": "Comparator 1 positive input."
      },
      {
        "number": "5",
        "name": "CMP2 IN+",
        "type": "input",
        "description": "Comparator 2 positive input."
      },
      {
        "number": "6",
        "name": "CMP2 IN-/0.6V REF",
        "type": "input",
        "description": "Comparator 2 negative input, can be used to override the internal 0.6-V reference."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "8",
        "name": "CMP1 RESET",
        "type": "input",
        "description": "Comparator 1 output reset, active low."
      },
      {
        "number": "9",
        "name": "CMP2 DELAY",
        "type": "passive",
        "description": "Connect an optional capacitor to adjust comparator 2 delay."
      },
      {
        "number": "10",
        "name": "CMP2 OUT",
        "type": "output",
        "description": "Comparator 2 open-drain output, up to 18 V maximum."
      },
      {
        "number": "11",
        "name": "CMP1 OUT",
        "type": "output",
        "description": "Comparator 1 open-drain output (latching), up to 18 V maximum."
      },
      {
        "number": "12",
        "name": "1.2V REF OUT",
        "type": "output",
        "description": "1.2-V reference output."
      },
      {
        "number": "13",
        "name": "VIN–",
        "type": "power_in",
        "description": "Connect to shunt low side; common-mode range -16 V to 80 V."
      },
      {
        "number": "14",
        "name": "VIN+",
        "type": "power_in",
        "description": "Connect to shunt high side; common-mode range -16 V to 80 V."
      }
    ],
    "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: Pin types for CMP2 DELAY (set as passive since it connects to a capacitor; datasheet lists it as I) "
        ],
        "pages_sent": 9,
        "cost_usd": 0.0994,
        "at": "2026-10-22T23:02:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina203ai.pdf",
        "pages": 39,
        "sha256": "0258939b915a8c9e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ina203aipwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina203aipwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "01e6bfcef79f3198aaafb273a9cb127d2bf95b1a93cd2ad845a4844f727826db",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Amplifiers",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0258939b915a8c9ec470cf4fa988dd54cf55679e78a87723af585cda8de01c7e",
      "rows": [
        {
          "name": "Supply voltage (abs max)",
          "symbol": "VS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Differential input voltage (abs max)",
          "symbol": "VIN+ – VIN–",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "Differential",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common-mode input voltage (abs max)",
          "symbol": "VCM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -16,
          "typ": null,
          "max": 80,
          "conditions": "Common-mode, VIN+ and VIN–",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Comparator output voltage (abs max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "Comparator output, min GND – 0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VREF and CMP2 Delay pin voltage (abs max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "min GND – 0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input current into any pin (abs max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature (abs max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Junction temperature (abs max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common-mode input voltage (recommended)",
          "symbol": "VCM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -16,
          "typ": 12,
          "max": 80,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage (recommended)",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 12,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 112.6,
          "max": null,
          "conditions": "PW (TSSOP) 14 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 37.2,
          "max": null,
          "conditions": "PW (TSSOP) 14 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 55.4,
          "max": null,
          "conditions": "PW (TSSOP) 14 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 2.7,
          "max": null,
          "conditions": "PW (TSSOP) 14 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 54.7,
          "max": null,
          "conditions": "PW (TSSOP) 14 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "PW (TSSOP) 14 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Full-scale sense input voltage",
          "symbol": "VSENSE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.15,
          "max": null,
          "conditions": "VSENSE = VIN+ – VIN–; max printed as (VS – 0.25)/Gain",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Common-mode input range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": -16,
          "typ": null,
          "max": 80,
          "conditions": "TA = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Common-mode rejection ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": 100,
          "max": null,
          "conditions": "VCM = –16 V to 80 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CMRR over temperature",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 123,
          "max": null,
          "conditions": "VCM = 12 V to 80 V, TA = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset voltage, RTI",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -2.5,
          "typ": 0.5,
          "max": 2.5,
          "conditions": "typ ±0.5, max ±2.5",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset voltage, RTI, 25°C to 125°C",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "25°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset voltage, RTI, –40°C to 25°C",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -3.5,
          "typ": null,
          "max": 3.5,
          "conditions": "–40°C to 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset voltage drift, RTI",
          "symbol": "dVOS/dT",
          "kind": "temperature_coefficient",
          "unit": "μV/°C",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "TA = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset voltage vs power supply, RTI",
          "symbol": "PSR",
          "kind": "electrical",
          "unit": "μV/V",
          "min": null,
          "typ": 2.5,
          "max": 100,
          "conditions": "VOUT = 2 V, VCM = 18 V, 2.7 V, TA = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input bias current, VIN– pin",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "μA",
          "min": -16,
          "typ": 9,
          "max": 16,
          "conditions": "TA = –40°C to 125°C; typ ±9, max ±16",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain",
          "symbol": "G",
          "kind": "electrical",
          "unit": "V/V",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "INA203",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain error",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": 0.2,
          "max": 1,
          "conditions": "VSENSE = 20 mV to 100 mV; typ ±0.2%, max ±1%",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain error over temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VSENSE = 20 mV to 100 mV, TA = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total output error",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -2.2,
          "typ": 0.75,
          "max": 2.2,
          "conditions": "VSENSE = 120 mV, VS = 16 V; typ ±0.75%, max ±2.2%",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total output error over temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3.5,
          "typ": null,
          "max": 3.5,
          "conditions": "VSENSE = 120 mV, VS = 16 V, TA = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Nonlinearity error",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.002,
          "max": null,
          "conditions": "VSENSE = 20 mV to 100 mV; ±0.002%",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output impedance, pin 2",
          "symbol": "RO",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum capacitive load",
          "symbol": "",
          "kind": "electrical",
          "unit": "nF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "No sustained oscillation",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output, VSENSE < 20 mV, negative VCM",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "–16 V ≤ VCM < 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "INA203 output, VSENSE < 20 mV",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "0 V ≤ VCM ≤ VS, VS = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output, VSENSE < 20 mV, VCM above VS",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "VS < VCM ≤ 80 V",
          "source_page": 6,
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