MAX9919FASA+T

{
  "slug": "max9919fasa-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Maxim Integrated Current-Sensing Amplifiers, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "max9919fasa+t",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "path": "docs/hero.png"
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    "README.md",
    "max9919fasa-t.kicad_sym",
    "max9919fasa-t.kicad_mod",
    "max9919fasa-t.glb",
    "max9919fasa-t.step",
    "max9919fasa-t.lbr",
    "docs/hero.png",
    "docs/max9919fasa-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max9919fasa-t-hero.glb",
    "max9919fasa-t-hero.overlay.json",
    "max9919fasa-t-etched.glb"
  ],
  "component": {
    "mpn": "MAX9919FASA+T",
    "manufacturer": "Maxim Integrated",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Current-Sensing Amplifiers",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max9918-max9920.pdf",
    "parts": {
      "symbol": "max9919fasa-t.kicad_sym",
      "footprint": "max9919fasa-t.kicad_mod",
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      "model_3d_plain": "max9919fasa-t-etched.glb",
      "model_3d_step": "max9919fasa-t-etched.step",
      "model_3d_step_plain": "max9919fasa-t.step",
      "lbr": "max9919fasa-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2057612",
      "digikey": "MAX9919FASA+TTR-ND",
      "mouser": "700-MAX9919FASA+T"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T11:53:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX9919FASA+TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX9919FASA+T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RS+",
        "type": "input",
        "description": "Positive current-sensing input; power side connects to the external sense resistor, with a common-mode range of -20V to +75V."
      },
      {
        "number": "2",
        "name": "RS-",
        "type": "input",
        "description": "Negative current-sensing input; load side connects to the external sense resistor, with a common-mode range of -20V to +75V."
      },
      {
        "number": "3",
        "name": "SHDN",
        "type": "input",
        "description": "Active-high shutdown input (logic high 2.0V min, low 0.8V max); connect to GND for normal operation."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Current-sense output, with VOUT proportional to VSENSE; rail-to-rail output."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that sets gain via a resistive divider on the MAX9918/MAX9920; leave unconnected on the MAX9919 for proper operation."
      },
      {
        "number": "7",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input; set to VCC/2 for bidirectional operation or to GND for unidirectional operation."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "5V supply voltage input (4.5V to 5.5V); bypass to GND with a 0.1µF capacitor."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 labels the exposed pad \"—\" in the pin table and \"EP\" elsewhere, so the number \"EP\" is ; MAX9919FASA+T is the fixed-gain 45V/V variant, so FB should be left unconnected. The pinout is share"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1754,
        "at": "2026-10-30T11:52:49"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max9918-max9920.pdf",
        "pages": 19,
        "sha256": "f62a520074711291",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "checked": "2026-10-30",
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      {
        "file": "max9919fasa-t-etched.step",
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        "sha256": "9a3f774b54e6e7076f32653a40e64a996d5009caba257482cc8a59cef0368a54",
        "checked": "2026-10-30",
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  }
}