INA199

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina199",
  "title": "INA199",
  "brief": "TI bidirectional current-sense amplifier, SC70-6. -0.3 to 26 V common mode, fixed gain, tiny. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifier",
    "current-sense",
    "bidirectional",
    "sc70-6",
    "texas-instruments"
  ],
  "component": {
    "mpn": "INA199",
    "manufacturer": "Texas Instruments",
    "package": "SC70-6",
    "pin_count": 6,
    "category": "Amplifier",
    "subcategory": "Current-sense amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina199.pdf",
    "parts": {
      "symbol": "ina199.kicad_sym",
      "footprint": "ina199.kicad_mod",
      "model_3d": "ina199-etched.glb",
      "model_3d_plain": "ina199.glb",
      "model_3d_step": "ina199-etched.step",
      "model_3d_step_plain": "ina199.step",
      "lbr": "ina199.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference voltage input, 0 V to V+. Sets the output bias for bidirectional current sensing."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Power supply input, 2.7 V to 26 V. Quiescent current 100 uA max. Bypass with 0.01 uF to 0.1 uF to GND."
      },
      {
        "number": "4",
        "name": "IN+",
        "type": "input",
        "description": "Positive analog input. Connect to the supply side of the external shunt resistor. Common-mode range -0.3 V to 26 V (INA199Ax) or -0.1 V to 26 V (INA199Bx/Cx)."
      },
      {
        "number": "5",
        "name": "IN-",
        "type": "input",
        "description": "Negative analog input. Connect to the load side of the external shunt resistor."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Analog output voltage. Output = gain (50/100/200 V/V) x differential shunt voltage, biased around REF."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina199.pdf",
        "pages": 42,
        "sha256": "80b0656c17984904",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ina199.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina199-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "03f1505c1cb7bae844c2d220c385607af3312e0042ee6c62e2f5035b2af82953",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Current-sense amplifier (voltage output)",
      "Common-mode range": "-0.3 V to 26 V",
      "Gain options": "50 / 100 / 200 V/V",
      "Direction": "Bidirectional (via REF)",
      "Offset": "Low (uV-class)",
      "Supply": "2.7-5.5 V",
      "Package": "SC70-6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina199",
    "current sense amplifier",
    "bidirectional shunt monitor",
    "tiny current amp"
  ],
  "discovery_pitch": "TI INA199 bidirectional current-sense amplifier (SC70-6) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "ina199.glb",
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    "ina199.lbr",
    "docs/hero.png",
    "docs/ina199-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina199-etched.step"
  ],
  "variants": [
    {
      "mpn": "INA199A1DCKR (gain 50)",
      "kind": "packaging"
    },
    {
      "mpn": "INA199A2DCKR (gain 100)",
      "kind": "packaging"
    },
    {
      "mpn": "INA199A3DCKR (gain 200)",
      "kind": "packaging"
    }
  ]
}