HX712-20-S

{
  "slug": "hx712-20-s",
  "version": "0.1.0",
  "type": "component",
  "description": "ZHHXDZ Current Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "hx712-20-s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hx712-20-s.kicad_sym",
    "hx712-20-s.kicad_mod",
    "hx712-20-s.glb",
    "hx712-20-s.step",
    "hx712-20-s.lbr",
    "docs/hero.png",
    "docs/hx712-20-s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hx712-20-s-hero.glb",
    "hx712-20-s-hero.overlay.json",
    "hx712-20-s-etched.glb"
  ],
  "component": {
    "mpn": "HX712-20-S",
    "manufacturer": "ZHHXDZ",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602958367346475008",
    "parts": {
      "symbol": "hx712-20-s.kicad_sym",
      "footprint": "hx712-20-s.kicad_mod",
      "model_3d": "hx712-20-s-hero.glb",
      "model_3d_plain": "hx712-20-s-etched.glb",
      "model_3d_step": "hx712-20-s-etched.step",
      "model_3d_step_plain": "hx712-20-s.step",
      "lbr": "hx712-20-s.lbr"
    },
    "distributor_links": {
      "lcsc": "C19186035"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:32:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Primary sampling-current positive terminal of the internal low-resistance conductor (0.9 mΩ typical); the 20 series measures ±20 A and the absolute continuous input current is 40 A with 100 A peak for 3 s."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Second primary sampling-current positive terminal, electrically paired with pin 1 for the same ±20 A current path with 40 A continuous and 100 A peak (3 s) limits."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Primary sampling-current negative terminal, the return side of the measured current path with the same ±20 A range and 40 A continuous / 100 A peak (3 s) limits."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Second primary sampling-current negative terminal, electrically paired with pin 3 as the return side of the measured current path."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the sensor; the datasheet lists it only as 地 (ground) with no further electrical limit."
      },
      {
        "number": "6",
        "name": "VZCR",
        "type": "output",
        "description": "Zero-current reference output that provides 0.5 VCC; the datasheet gives an internal reference of 2.470-2.530 V (2.500 V typical), with reference sink current up to 3000 µA and source current of 400 µA."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Signal output that is 50% VCC at zero current and swings linearly with the measured current; sensitivity is 100 mV/A for the 20 series, the absolute output range is -0.3 V to VCC+0.3 V, and the datasheet specifies 6 mA source and 30 mA sink current limits with a 1 nF capacitive and 1.5 kΩ resistive load."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input with an operating range of 4.5-5.5 V (5 V typical) and an absolute maximum of 7 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 is in Chinese and the pin table lists IP+ twice (pins 1, 2) and IP- twice (pins 3, 4);; The datasheet's SOP-8 ordering table (page 2) shows HX712-20-S as SOP-8, 2500 pcs tape-and-reel, so ; Pin types are inferred for KiCad ERC: IP+/IP- set as passive (current conductor, not a signal pin), "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0352,
        "at": "2026-10-18T21:30:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602958367346475008",
        "pages": 6,
        "sha256": "92b187c705401c57",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "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": "hx712-20-s-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,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1ad0fd1a40a48b6c025aecf48614a596a110c223a1185fa07444625505439649",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}