INA281A4IDBVT

{
  "slug": "ina281a4idbvt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Current Sense Amplifiers, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ina281a4idbvt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina281a4idbvt.kicad_sym",
    "ina281a4idbvt.kicad_mod",
    "ina281a4idbvt.glb",
    "ina281a4idbvt.step",
    "ina281a4idbvt.lbr",
    "docs/hero.png",
    "docs/ina281a4idbvt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina281a4idbvt-hero.glb",
    "ina281a4idbvt-hero.overlay.json"
  ],
  "component": {
    "mpn": "INA281A4IDBVT",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Amplifiers/Comparators",
    "subcategory": "Current Sense Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina281",
    "parts": {
      "symbol": "ina281a4idbvt.kicad_sym",
      "footprint": "ina281a4idbvt.kicad_mod",
      "model_3d": "ina281a4idbvt-hero.glb",
      "model_3d_plain": "ina281a4idbvt.glb",
      "model_3d_step": "ina281a4idbvt-etched.step",
      "model_3d_step_plain": "ina281a4idbvt.step",
      "lbr": "ina281a4idbvt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871699",
      "digikey": "296-INA281A4IDBVTTR-ND",
      "mouser": "595-INA281A4IDBVT"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T15:50:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-INA281A4IDBVTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-INA281A4IDBVT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Output voltage pin; with zero shunt current the output sits no higher than GND + 20mV, and the output swing is bounded by the supply pin voltage."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Positive shunt-resistor sense input; common-mode voltage must stay within -4V to 110V (absolute maximum common mode -20V to 120V)."
      },
      {
        "number": "4",
        "name": "IN–",
        "type": "input",
        "description": "Negative shunt-resistor sense input; common-mode voltage must stay within -4V to 110V (absolute maximum common mode -20V to 120V)."
      },
      {
        "number": "5",
        "name": "Vs",
        "type": "power_in",
        "description": "Power supply pin, operating range 2.7V to 20V (absolute maximum -0.3V to 22V)."
      }
    ],
    "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 gives the pinout for the INA281A (Figure 4-1 and Table 4-1) for the DBV 5-pin SOT-23 p; Pin 1 is the OUT pin on the INA281A. Pin 3 is IN+ and pin 4 is IN- on the INA281A. The INA281B swaps; The Vs pin description is taken from the absolute maximum and recommended operating tables (pages 3 "
        ],
        "pages_sent": 30,
        "cost_usd": 0.1193,
        "at": "2026-10-10T15:50:21"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina281",
        "pages": 30,
        "sha256": "b5bbdc809184263b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina281a4idbvt-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": 0.0,
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        "footprint_binding": "identity",
        "sha256": "dee4cc284b6be84b7603163d2897ad2aa57df6d205d0ef83116eb037a8156292",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}