INA199A2RSWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina199a2rswr",
  "title": "INA199A2RSWR",
  "brief": "Texas Instruments Current Sense Amplifiers, UQFN-10(1.4x1.8). 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-comparators",
    "ina199a2rswr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "INA199A2RSWR",
    "manufacturer": "Texas Instruments",
    "package": "UQFN-10(1.4x1.8)",
    "pin_count": 10,
    "category": "Amplifiers/Comparators",
    "subcategory": "Current Sense Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina199",
    "parts": {
      "symbol": "ina199a2rswr.kicad_sym",
      "footprint": "ina199a2rswr.kicad_mod",
      "model_3d": "ina199a2rswr-hero.glb",
      "model_3d_plain": "ina199a2rswr.glb",
      "model_3d_step": "ina199a2rswr-etched.step",
      "model_3d_step_plain": "ina199a2rswr.step",
      "lbr": "ina199a2rswr.lbr"
    },
    "distributor_links": {
      "lcsc": "C1879908",
      "digikey": "296-INA199A2RSWRTR-ND",
      "mouser": "595-INA199A2RSWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T19:00:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-INA199A2RSWRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-INA199A2RSWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave floating or connect to any voltage between GND and V+."
      },
      {
        "number": "2",
        "name": "IN+",
        "type": "input",
        "description": "Analog input connected to the supply side of the shunt resistor; both IN+ pins on the RSW package must be tied together, and the INA199A common-mode range is -0.3 V to 26 V."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Analog input connected to the supply side of the shunt resistor; tie to the other IN+ pin (pin 2) on the RSW package, with the INA199A common-mode range of -0.3 V to 26 V."
      },
      {
        "number": "4",
        "name": "IN-",
        "type": "input",
        "description": "Analog input connected to the load side of the shunt resistor; both IN- pins on the RSW package must be tied together, and the INA199A common-mode range is -0.3 V to 26 V."
      },
      {
        "number": "5",
        "name": "IN-",
        "type": "input",
        "description": "Analog input connected to the load side of the shunt resistor; tie to the other IN- pin (pin 4) on the RSW package, with the INA199A common-mode range of -0.3 V to 26 V."
      },
      {
        "number": "6",
        "name": "V+",
        "type": "power_in",
        "description": "Supply pin operating from 2.7 V to 26 V; bypass close to this pin with 0.01 µF to 0.1 µF (0.1 µF recommended)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave floating or connect to any voltage between GND and V+."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "input",
        "description": "Reference voltage input that may be set anywhere from 0 V to V+ and should be buffered by an op amp if driven through a resistor divider; absolute maximum range is GND - 0.3 V to (V+) + 0.3 V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "10",
        "name": "OUT",
        "type": "output",
        "description": "Voltage output whose swing is limited by the supply pin voltage (about 0.2 V below V+ and 0.05 V above GND at 10 kΩ load); absolute maximum range is GND - 0.3 V to (V+) + 0.3 V."
      }
    ],
    "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: Pin mapping was taken from the RSW (UQFN-10) column of the Table 5-1 pin-function table on page 3, c; The datasheet does not give explicit ERC pin types. Types were assigned from its functional labels: ; Pins 2/3 (IN+) and 4/5 (IN-) are each doubled on the RSW package and the datasheet states that each "
        ],
        "pages_sent": 25,
        "cost_usd": 0.12,
        "at": "2026-10-11T19:00:07"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina199",
        "pages": 43,
        "sha256": "f48fb5be37c0cf43",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ina199a2rswr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.4,
          1.8,
          0.57
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "18e8e52c79f660f6db601c893a3ba62a564efea84c0c6dd95908b6b785ca7f2d",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina199a2rswr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.4,
          1.8,
          0.57
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a1b61d60541192610c8486e6f091c929dc2adfd11c2fab3032c4034e4321994c",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "UQFN-10(1.4x1.8)",
      "Category": "Amplifiers/Comparators",
      "Pins": "10"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f48fb5be37c0cf43",
      "rows": [
        {
          "name": "Common-mode input voltage range (version A)",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 26,
          "conditions": "Version A, TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage",
          "symbol": "VS",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 26,
          "conditions": "TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage",
          "symbol": "VS",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 26,
          "conditions": "TA = -20°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 65,
          "max": 100,
          "conditions": "VSENSE = 0mV",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current over temperature range",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 115,
          "conditions": "TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage, RTI",
          "symbol": "VOS",
          "kind": "tolerance",
          "unit": "μV",
          "min": -150,
          "typ": 5,
          "max": 150,
          "conditions": "VSENSE = 0mV",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset voltage drift",
          "symbol": "dVOS/dT",
          "kind": "temperature_coefficient",
          "unit": "μV/°C",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain error (version A)",
          "symbol": "G",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": 0.03,
          "max": 1.5,
          "conditions": "Version A, VSENSE = -5mV to 5mV, TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain error drift",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Common-mode rejection ratio",
          "symbol": "CMR",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 120,
          "max": null,
          "conditions": "VIN+ = 0V to 26V, VSENSE = 0mV, TA = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output swing to GND",
          "symbol": "VGND",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.005,
          "max": 0.05,
          "conditions": "RL = 10kΩ to GND, TA = -40°C to 125°C; printed (VGND)+0.005 and (VGND)+0.05",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output swing to V+ rail",
          "symbol": "V+",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.05,
          "max": -0.2,
          "conditions": "Relative to V+ rail; RL = 10kΩ to GND, TA = -40°C to 125°C; printed (V+)-0.05 and (V+)-0.2",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum capacitive load",
          "symbol": "",
          "kind": "electrical",
          "unit": "nF",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "No sustained oscillation",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Common-mode input voltage (recommended)",
          "symbol": "VCM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "Natural convection ambient unless noted",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage (recommended, applied to V+)",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "Natural convection ambient unless noted",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Natural convection ambient",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Specified temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (RSW, UQFN 10-pin)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 107.3,
          "max": null,
          "conditions": "Thermal table, RSW (UQFN) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (RSW)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 56.5,
          "max": null,
          "conditions": "RSW (UQFN) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (RSW)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 18.7,
          "max": null,
          "conditions": "RSW (UQFN) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (RSW)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "RSW (UQFN) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (RSW)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 18.7,
          "max": null,
          "conditions": "RSW (UQFN) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, UQFN (electrical characteristics table)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "UQFN package",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gain-bandwidth product (INA199x2)",
          "symbol": "GBW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "CLOAD = 10pF, INA199x2",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain (INA199x2)",
          "symbol": "G",
          "kind": "electrical",
          "unit": "V/V",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "INA199x2",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/μs",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage noise density, RTI",
          "symbol": "",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "VSENSE = 0mV",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input offset current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.02,
          "max": null,
          "conditions": "VSENSE = 0mV",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power-supply rejection",
          "symbol": "PSR",
          "kind": "electrical",
          "unit": "μV/V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VS = 2.7V to 18V, VIN+ = 18V, VSENSE = 0mV",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Nonlinearity error",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "VSENSE = -5mV to 5mV",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina199a2rswr"
  ],
  "discovery_pitch": "INA199A2RSWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina199a2rswr.kicad_sym",
    "ina199a2rswr.kicad_mod",
    "ina199a2rswr.glb",
    "ina199a2rswr.step",
    "ina199a2rswr.lbr",
    "docs/hero.png",
    "docs/ina199a2rswr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina199a2rswr-hero.glb",
    "ina199a2rswr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}