main
Ray cse7759b: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 2c2f743
{
  "schema_version": 1,
  "type": "component",
  "slug": "cse7759b",
  "title": "CSE7759B",
  "brief": "CHIPSEA Energy Metering, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "cse7759b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CSE7759B",
    "manufacturer": "CHIPSEA",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Data Acquisition",
    "subcategory": "Energy Metering",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602907777916280832",
    "parts": {
      "symbol": "cse7759b.kicad_sym",
      "footprint": "cse7759b.kicad_mod",
      "model_3d": "cse7759b-etched.glb",
      "model_3d_plain": "cse7759b.glb",
      "model_3d_step": "cse7759b-etched.step",
      "model_3d_step_plain": "cse7759b.step",
      "lbr": "cse7759b.lbr"
    },
    "distributor_links": {
      "lcsc": "C19274461"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply, recommended operating voltage 4.5-5.5 V."
      },
      {
        "number": "2",
        "name": "V1P",
        "type": "input",
        "description": "Current differential signal positive input, maximum differential input signal ±43.75 mV; should be shorted to VSS when current signal is not used."
      },
      {
        "number": "3",
        "name": "V1N",
        "type": "input",
        "description": "Current differential signal negative input, maximum differential input signal ±43.75 mV; should be shorted to VSS when current signal is not used."
      },
      {
        "number": "4",
        "name": "V2P",
        "type": "input",
        "description": "Positive voltage signal input, maximum input signal ±700 mV; should be shorted to VSS when voltage signal is not used."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "6",
        "name": "TI",
        "type": "output",
        "description": "UART transmission port, serial data output at 4800 bps (±2%)."
      },
      {
        "number": "7",
        "name": "CF",
        "type": "output",
        "description": "Active high-frequency pulse output for active power metering, 50% duty cycle."
      },
      {
        "number": "8",
        "name": "RI",
        "type": "input",
        "description": "UART reception port, reserved for future use."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 17,
        "cost_usd": 0.1498,
        "at": "2026-09-22T02:38:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602907777916280832",
        "pages": 17,
        "sha256": "846fe22fe9357e8e",
        "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": [
      {
        "file": "cse7759b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cse7759b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "01401574c3cf3875129fb2c9df8989ff4c8b61a5e32fd211218ef17e21fc993e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CHIPSEA",
      "Package": "SOP-8",
      "Category": "Data Acquisition",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cse7759b"
  ],
  "discovery_pitch": "CSE7759B (CHIPSEA) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cse7759b.kicad_sym",
    "cse7759b.kicad_mod",
    "cse7759b.glb",
    "cse7759b.step",
    "cse7759b.lbr",
    "docs/hero.png",
    "docs/cse7759b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:34:22.717Z"
}