CC6937S8-3FB020

{
  "slug": "cc6937s8-3fb020",
  "version": "0.1.0",
  "type": "component",
  "description": "Cross chip Current Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "cc6937s8-3fb020",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cc6937s8-3fb020.kicad_sym",
    "cc6937s8-3fb020.kicad_mod",
    "cc6937s8-3fb020.glb",
    "cc6937s8-3fb020.step",
    "cc6937s8-3fb020.lbr",
    "docs/hero.png",
    "docs/cc6937s8-3fb020-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cc6937s8-3fb020-hero.glb",
    "cc6937s8-3fb020-hero.overlay.json",
    "cc6937s8-3fb020-etched.glb"
  ],
  "component": {
    "mpn": "CC6937S8-3FB020",
    "manufacturer": "Cross chip",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bc144f4d97403e87df5f3ba46974bc15.pdf",
    "parts": {
      "symbol": "cc6937s8-3fb020.kicad_sym",
      "footprint": "cc6937s8-3fb020.kicad_mod",
      "model_3d": "cc6937s8-3fb020-hero.glb",
      "model_3d_plain": "cc6937s8-3fb020-etched.glb",
      "model_3d_step": "cc6937s8-3fb020-etched.step",
      "model_3d_step_plain": "cc6937s8-3fb020.step",
      "lbr": "cc6937s8-3fb020.lbr"
    },
    "distributor_links": {
      "lcsc": "C41421919"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:24:46Z",
      "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 current input (positive side, paired with pin 2) that carries the measured current, which is positive when it flows from IP+ to IP-, and the primary is isolated 3750 VRMS from pins 5-8 for this -20A to +20A (66 mV/A) variant."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Primary current input (positive side, paired with pin 1) that carries the measured current, which is positive when it flows from IP+ to IP-, and the primary is isolated 3750 VRMS from pins 5-8 for this -20A to +20A (66 mV/A) variant."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Primary current return (negative side, paired with pin 4) that completes the series current path through the chip, and the primary is isolated 3750 VRMS from pins 5-8."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Primary current return (negative side, paired with pin 3) that completes the series current path through the chip, and the primary is isolated 3750 VRMS from pins 5-8."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the supply, the VREF output and the VOUT output, with VOUT and VREF filter capacitors (1 to 2.2 nF) specified from their pins to GND."
      },
      {
        "number": "6",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference pin used as an output at 1.60 to 1.70 V (1.65 V typical) for the 3.3 V series with a 1 to 2.2 nF filter to GND and at least 1.5 kΩ load, or as an input accepting 0 to 4 V to set the quiescent output VOUT(Q)."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Single-ended analog output whose quiescent value equals VREF (1.65 V at zero current for the 3.3 V series), with a 1 to 2.2 nF filter to GND, at least 1.5 kΩ load, and a 30 mA short-circuit limit."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input with 3.0 to 3.6 V nominal (3.3 V typical) for the 3.3 V series, an absolute maximum of 6.5 V, and an undervoltage lockout threshold of 2.8 V with 0.16 V hysteresis."
      }
    ],
    "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 gives a single SOP8 pinout (page 3) that applies to every CC6937S8 variant, including ; Pin 6 (VREF) is documented as both an output and an input, so 'bidirectional' is a judgement call. P; The pinout table names the two IP+ pins (1, 2) and two IP- pins (3, 4) as separate entries without g"
        ],
        "pages_sent": 40,
        "cost_usd": 0.108,
        "at": "2026-10-18T21:22:35"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bc144f4d97403e87df5f3ba46974bc15.pdf",
        "pages": 40,
        "sha256": "7e94e7934f32e852",
        "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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        "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)"
      },
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        "file": "cc6937s8-3fb020-etched.step",
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}