INA185

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina185",
  "title": "INA185",
  "brief": "TI low-cost current-sense amplifier, SOT-563. -0.2 to 26 V common mode, bidirectional, high bandwidth. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifier",
    "current-sense",
    "shunt-monitor",
    "sot-563",
    "texas-instruments"
  ],
  "component": {
    "mpn": "INA185",
    "manufacturer": "Texas Instruments",
    "package": "SOT-563",
    "pin_count": 6,
    "category": "Amplifier",
    "subcategory": "Current-sense amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina185.pdf",
    "parts": {
      "symbol": "ina185.kicad_sym",
      "footprint": "ina185.kicad_mod",
      "model_3d": "ina185-etched.glb",
      "model_3d_plain": "ina185.glb",
      "model_3d_step": "ina185-etched.step",
      "model_3d_step_plain": "ina185.step",
      "lbr": "ina185.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Analog output voltage. Buffered amplifier output representing the amplified sense-resistor differential voltage referenced to REF."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Current-sense amplifier positive (noninverting) input. For high-side applications, connect to bus-voltage side of sense resistor. For low-side applications, connect to load side of sense resistor. Common-mode range -0.2 V to +26 V."
      },
      {
        "number": "4",
        "name": "IN-",
        "type": "input",
        "description": "Current-sense amplifier negative (inverting) input. For high-side applications, connect to load side of sense resistor. For low-side applications, connect to ground side of sense resistor. Common-mode range -0.2 V to +26 V."
      },
      {
        "number": "5",
        "name": "REF",
        "type": "input",
        "description": "Reference input. Sets the output zero-current reference voltage; typically driven to VS/2 for bidirectional sensing or to GND for unidirectional sensing."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "Power supply, 2.7 V to 5.5 V. Bypass locally with a 0.1-μF ceramic capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina185.pdf",
        "pages": 37,
        "sha256": "d1b65f23841d266c",
        "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"
    },
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "76c34aa4905777c0a8abe4718019904a3a9f8343cab7cc056f4516b7ef5165fc",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "e44f0dac40492e34abc51c0810250a6126cc8b29b497c7f09352bcb02fe4622f",
        "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": "-0.2 V to 26 V",
      "Gain options": "20 / 50 / 100 V/V",
      "Bandwidth": "Up to 350 kHz",
      "Direction": "Bidirectional (via REF)",
      "Supply": "2.7-5.5 V",
      "Package": "SOT-563"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina185",
    "current sense amplifier",
    "tiny shunt monitor",
    "bidirectional current amp"
  ],
  "discovery_pitch": "TI INA185 low-cost current-sense amplifier (SOT-563) 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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    "ina185.lbr",
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  "variants": [
    {
      "mpn": "INA185A1IDRLR (gain 20)",
      "kind": "packaging"
    },
    {
      "mpn": "INA185A2IDRLR (gain 50)",
      "kind": "packaging"
    },
    {
      "mpn": "INA185A3IDRLR (gain 100)",
      "kind": "packaging"
    }
  ]
}