INA381A1QDGSRQ1

{
  "slug": "ina381a1qdgsrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Current Sense Amplifiers, VSSOP-10-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ina381a1qdgsrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "ina381a1qdgsrq1.step",
    "ina381a1qdgsrq1.lbr",
    "docs/hero.png",
    "docs/ina381a1qdgsrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "ina381a1qdgsrq1-hero.overlay.json"
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  "component": {
    "mpn": "INA381A1QDGSRQ1",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-10-0.5mm",
    "pin_count": 10,
    "category": "Amplifiers/Comparators",
    "subcategory": "Current Sense Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina381-q1",
    "parts": {
      "symbol": "ina381a1qdgsrq1.kicad_sym",
      "footprint": "ina381a1qdgsrq1.kicad_mod",
      "model_3d": "ina381a1qdgsrq1-hero.glb",
      "model_3d_plain": "ina381a1qdgsrq1.glb",
      "model_3d_step": "ina381a1qdgsrq1-etched.step",
      "model_3d_step_plain": "ina381a1qdgsrq1.step",
      "lbr": "ina381a1qdgsrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862689",
      "digikey": "296-INA381A1QDGSRQ1TR-ND",
      "mouser": "595-INA381A1QDGSRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:59:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-INA381A1QDGSRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-INA381A1QDGSRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN+",
        "type": "input",
        "description": "Connect to the supply side of the shunt resistor; the common-mode input range is -0.2 V to +26 V and the pins withstand 26 V even with VS removed."
      },
      {
        "number": "2",
        "name": "VS+",
        "type": "power_in",
        "description": "Power supply pin with an operating range of 2.7 V to 5.5 V, bypassed with a 0.1 µF capacitor placed as close to the pin as possible."
      },
      {
        "number": "3",
        "name": "ALERT",
        "type": "output",
        "description": "Active-low, open-drain over-limit alert output that should use a 10 kΩ pull-up and must not be pulled up above 5.5 V."
      },
      {
        "number": "4",
        "name": "RESET",
        "type": "input",
        "description": "Digital input that selects the alert mode, with low for transparent mode and high for latch mode, and an absolute maximum range of GND - 0.3 V to VS + 0.3 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground that should be connected, together with the thermal pad, to a solid ground plane on the PCB."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Internal connection that may be left floating, connected to ground, or connected to the supply."
      },
      {
        "number": "7",
        "name": "CMPREF",
        "type": "input",
        "description": "Comparator reference input that sets the alert threshold through a resistor divider or an external reference, with an absolute maximum range of GND - 0.3 V to VS + 0.3 V."
      },
      {
        "number": "8",
        "name": "CMPIN",
        "type": "input",
        "description": "Comparator input signal that connects directly to VOUT when no extra hysteresis is needed, or through an external RHYS resistor to add hysteresis, with an absolute maximum range of GND - 0.3 V to VS + 0.3 V."
      },
      {
        "number": "9",
        "name": "VOUT",
        "type": "output",
        "description": "Current-sense amplifier output equal to the differential input voltage times the gain of 20, 50, 100, or 200 V/V, with an absolute maximum range of GND - 0.3 V to VS + 0.3 V."
      },
      {
        "number": "10",
        "name": "IN-",
        "type": "input",
        "description": "Connect to the load side of the shunt resistor; the common-mode input range is -0.2 V to +26 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: The datasheet supplied is the Chinese (ZHCSL17A) translation. Pin names and functions were taken fro; The DGS package has an exposed thermal pad that the text refers to (GND and thermal pad to ground pl; Pin 6 (NC) is typed as unconnected because the datasheet states it is an internal connection that ma"
        ],
        "pages_sent": 27,
        "cost_usd": 0.1213,
        "at": "2026-10-07T23:59:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina381-q1",
        "pages": 38,
        "sha256": "9960fd85de1ad05d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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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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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina381a1qdgsrq1-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": -0.0,
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        "sha256": "5dadcdde065ee650310bb47f088e666f2f523bbb4e87c550ebccd83e9a7c563c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}