CH70120CB3PR

{
  "slug": "ch70120cb3pr",
  "version": "0.1.0",
  "type": "component",
  "description": "COSEMITECH Current Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "ch70120cb3pr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch70120cb3pr.kicad_sym",
    "ch70120cb3pr.kicad_mod",
    "ch70120cb3pr.glb",
    "ch70120cb3pr.step",
    "ch70120cb3pr.lbr",
    "docs/hero.png",
    "docs/ch70120cb3pr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch70120cb3pr-hero.glb",
    "ch70120cb3pr-hero.overlay.json",
    "ch70120cb3pr-etched.glb"
  ],
  "component": {
    "mpn": "CH70120CB3PR",
    "manufacturer": "COSEMITECH",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944212284329984",
    "parts": {
      "symbol": "ch70120cb3pr.kicad_sym",
      "footprint": "ch70120cb3pr.kicad_mod",
      "model_3d": "ch70120cb3pr-hero.glb",
      "model_3d_plain": "ch70120cb3pr-etched.glb",
      "model_3d_step": "ch70120cb3pr-etched.step",
      "model_3d_step_plain": "ch70120cb3pr.step",
      "lbr": "ch70120cb3pr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2841900"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:14:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; current flows from pins 1 and 2 to pins 3 and 4 and gives a positive output slope."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; current flows from pins 1 and 2 to pins 3 and 4 and gives a positive output slope."
      },
      {
        "number": "3",
        "name": "IP–",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; the primary conductor path (1-2 to 3-4) has about 0.8 mΩ typical internal resistance."
      },
      {
        "number": "4",
        "name": "IP–",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; the primary conductor path (1-2 to 3-4) has about 0.8 mΩ typical internal resistance."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal; the primary conductor terminals (pins 1-4) are electrically isolated from the sensor leads (pins 5-8)."
      },
      {
        "number": "6",
        "name": "FILTER",
        "type": "passive",
        "description": "Terminal for an external capacitor that sets the bandwidth of the device."
      },
      {
        "number": "7",
        "name": "VIOUT",
        "type": "output",
        "description": "Analog output signal, ratio-metric to the supply; absolute maximum output voltage is VCC + 0.5 V and reverse output voltage is -0.1 V minimum."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply terminal; absolute maximum supply voltage is 6 V and reverse supply voltage is -0.1 V minimum."
      }
    ],
    "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 MPN decodes as CH701 / 20 (±20 A) / C (VIOUT set to 1.65 V/0.33 V) / B (bidirectional AC) / 3 (3; Only 8 of 62 pages were provided. The pin definitions on page 6 are the only pinout source in this t; The datasheet does not state the MPN's specific pinout beyond the family-wide table, and the Figure "
        ],
        "pages_sent": 8,
        "cost_usd": 0.034,
        "at": "2026-10-19T01:13:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944212284329984",
        "pages": 62,
        "sha256": "bc54e9c5ff632dd6",
        "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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        "file": "ch70120cb3pr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch70120cb3pr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c00a4ed69b7d9bd81aa0db26179a59b719bc7fa47cbfdb49d50324c03b0866f3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}