CSE7761-SSOP16

{
  "schema_version": 1,
  "type": "component",
  "slug": "cse7761-ssop16",
  "title": "CSE7761-SSOP16",
  "brief": "CHIPSEA Energy Metering, SSOP-16. 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",
    "cse7761-ssop16",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CSE7761-SSOP16",
    "manufacturer": "CHIPSEA",
    "package": "SSOP-16",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "Energy Metering",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906302778724352",
    "parts": {
      "symbol": "cse7761-ssop16.kicad_sym",
      "footprint": "cse7761-ssop16.kicad_mod",
      "model_3d": "cse7761-ssop16-etched.glb",
      "model_3d_plain": "cse7761-ssop16.glb",
      "model_3d_step": "cse7761-ssop16-etched.step",
      "model_3d_step_plain": "cse7761-ssop16.step",
      "lbr": "cse7761-ssop16.lbr"
    },
    "distributor_links": {
      "lcsc": "C19193569"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input for 4.5V to 5.5V or 3.0V to 3.6V with internal brown-out detection at 2.9V power-on and 2.7V power-off thresholds."
      },
      {
        "number": "2",
        "name": "V1P",
        "type": "input",
        "description": "Current channel A positive input of differential pair with 12MΩ equivalent input impedance and ±700mV differential range (PGA=1) for power and RMS measurements."
      },
      {
        "number": "3",
        "name": "V1N",
        "type": "input",
        "description": "Current channel A negative input of differential pair paired with V1P for active power calculation and waveform sampling."
      },
      {
        "number": "4",
        "name": "V2P",
        "type": "input",
        "description": "Current channel B positive input in differential configuration with selectable PGA gain 1/2/4/8/16 for power measurement or internal temperature sensor input."
      },
      {
        "number": "5",
        "name": "V2N",
        "type": "input",
        "description": "Current channel B negative input of differential pair paired with V2P for dual-channel energy calculation and reactive power measurement."
      },
      {
        "number": "6",
        "name": "V3P",
        "type": "input",
        "description": "Voltage channel positive input in differential configuration with ±700mV range at PGA=1 and 12MΩ input impedance for voltage RMS and frequency measurement."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground and analog signal reference for all analog and digital circuits."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "Internal 1.25V reference voltage output with ±1% accuracy and 5-15ppm/°C temperature coefficient over -40°C to +85°C operating range."
      },
      {
        "number": "9",
        "name": "SDO/TX",
        "type": "output",
        "description": "SPI serial data output when SPIEN=1 and SCSN=0, UART TX output when SPIEN=0, or high-impedance when SCSN=1 with optional open-drain output mode via register."
      },
      {
        "number": "10",
        "name": "SDI/RX",
        "type": "input",
        "description": "SPI serial data input when SPIEN=1 (up to 890kHz clock) or UART RX input when SPIEN=0 supporting 9600baud or 4800baud configuration."
      },
      {
        "number": "11",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock input up to 890kHz when SPIEN=1, or UART baud rate selector (high=9600Hz, low=4800Hz) when SPIEN=0."
      },
      {
        "number": "12",
        "name": "SCSN",
        "type": "input",
        "description": "SPI chip select input (active low to enable SPI) when SPIEN=1, or UART baud rate control signal when SPIEN=0."
      },
      {
        "number": "13",
        "name": "SPIEN",
        "type": "input",
        "description": "Interface mode selector - set high for SPI mode (up to 890kHz) or low for UART mode (4800/9600 baud)."
      },
      {
        "number": "14",
        "name": "CLKI",
        "type": "input",
        "description": "External 3.579MHz oscillator input pin for crystal clock detection when sine wave signal applied, or internal oscillator mode when tied low."
      },
      {
        "number": "15",
        "name": "CLKO/PULSE1",
        "type": "output",
        "description": "External oscillator output when external clock applied to CLKI, or selectable digital function output for energy pulses (PFA/PFB), interrupts, and status signals via register."
      },
      {
        "number": "16",
        "name": "PULSE2",
        "type": "output",
        "description": "Programmable digital output pin for energy pulse signals, interrupt flags, or detection status outputs configurable via Pulse1Sel register (0x1DH)."
      }
    ],
    "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": [
          "extractor flagged: Voltage channel appears to use full differential input but only V3P pin is exposed; V3N likely inter; CLKO/PULSE1 (pin 15) marked as input in table header but described as output in functional descripti",
          "5/16 pins cited to the wrong page (name found elsewhere): ['10:SDI/RX@p7', '11:SCLK@p7', '12:SCSN@p7', '14:CLKI@p7']"
        ],
        "pages_sent": 51,
        "cost_usd": 0.5184,
        "at": "2026-09-22T12:06:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906302778724352",
        "pages": 51,
        "sha256": "34fe9858ff9bf92b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cse7761-ssop16.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cse7761-ssop16-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6e786c71dc3045adf8cc6af836bc9cfb4049bd2e4cf44a2278d46b3ecda2effa",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CHIPSEA",
      "Package": "SSOP-16",
      "Category": "Data Acquisition",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cse7761-ssop16"
  ],
  "discovery_pitch": "CSE7761-SSOP16 (CHIPSEA) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cse7761-ssop16.kicad_sym",
    "cse7761-ssop16.kicad_mod",
    "cse7761-ssop16.glb",
    "cse7761-ssop16.step",
    "cse7761-ssop16.lbr",
    "docs/hero.png",
    "docs/cse7761-ssop16-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:34:30.669Z"
}