MT9523CT-20BF3

{
  "slug": "mt9523ct-20bf3",
  "version": "0.1.0",
  "type": "component",
  "description": "Magn Tek Current Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "mt9523ct-20bf3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mt9523ct-20bf3.kicad_sym",
    "mt9523ct-20bf3.kicad_mod",
    "mt9523ct-20bf3.glb",
    "mt9523ct-20bf3.step",
    "mt9523ct-20bf3.lbr",
    "docs/hero.png",
    "docs/mt9523ct-20bf3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mt9523ct-20bf3-hero.glb",
    "mt9523ct-20bf3-hero.overlay.json",
    "mt9523ct-20bf3-etched.glb"
  ],
  "component": {
    "mpn": "MT9523CT-20BF3",
    "manufacturer": "Magn Tek",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905774313467904",
    "parts": {
      "symbol": "mt9523ct-20bf3.kicad_sym",
      "footprint": "mt9523ct-20bf3.kicad_mod",
      "model_3d": "mt9523ct-20bf3-hero.glb",
      "model_3d_plain": "mt9523ct-20bf3-etched.glb",
      "model_3d_step": "mt9523ct-20bf3-etched.step",
      "model_3d_step_plain": "mt9523ct-20bf3.step",
      "lbr": "mt9523ct-20bf3.lbr"
    },
    "distributor_links": {
      "lcsc": "C5124629"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:03:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Positive input current terminal: pins 1 and 2 are the entry of the internal low-resistance conductor path (typically 1.0 mΩ), which is electrically isolated from the signal pins 5 to 8 (2.5 kVrms isolation, 1 min)."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Positive input current terminal, internally paired with pin 1; the sensed current flows from pins 1 and 2 through the conductor to pins 3 and 4, and the output has a positive slope for that direction."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Negative input current terminal, internally paired with pin 4; it is the exit of the internal conductor path from pins 1 and 2, and is electrically isolated from the signal pins 5 to 8."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Negative input current terminal, internally paired with pin 3; it is the exit of the internal conductor path from pins 1 and 2, and is electrically isolated from the signal pins 5 to 8."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground reference for the sensor IC, used as the reference for the analog output VOUT and reference output VZCR."
      },
      {
        "number": "6",
        "name": "VZCR",
        "type": "output",
        "description": "Zero-current reference voltage output: it is 0.5×VCC (ratiometric variants, BR/UR) or a fixed 2.5 V / 1.65 V / 0.5 V / 0.33 V (fixed variants, BF/UF), and is used with VOUT for single-ended or differential measurement of the zero-current output."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Analog voltage output that is proportional to the sensed input current, with zero-current output VOQ of 0.5×VCC for bidirectional ratiometric parts (0.1×VCC for unidirectional) or a fixed 2.5 V (bidirectional) / 0.5 V (unidirectional) in fixed-output mode."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, specified for 5.0 V or 3.3 V DC operation (the 3.3 V variant is designated by the \"3\" in the part number)."
      }
    ],
    "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 pin table on page 3 lists the pins as IP+ (1,2), IP- (3,4), GND (5), VZCR (6), VOUT (7), VCC (8); Pins 1 and 2 (IP+) and pins 3 and 4 (IP-) share the same function and are internally connected in pa; The MPN MT9523CT-20BF3 (20 A, bidirectional, fixed output, 3.3 V) is not listed explicitly in the vi"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0484,
        "at": "2026-10-18T19:59:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905774313467904",
        "pages": 35,
        "sha256": "08a948fe97e0d65b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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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": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mt9523ct-20bf3-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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        "sha256": "86b6f5c1c6a596158a8f37d775f2759b4c90bb01424d83472b29f1cabc0403df",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}