main
Ray Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") 7949a4a 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "rn8209d",
  "title": "RN8209D",
  "brief": "RENERGY Energy Metering, SSOP-24. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "rn8209d"
  ],
  "component": {
    "mpn": "RN8209D",
    "manufacturer": "RENERGY",
    "package": "SSOP-24",
    "pin_count": 24,
    "category": "Data Acquisition",
    "subcategory": "Energy Metering",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882165929562112",
    "parts": {
      "symbol": "rn8209d.kicad_sym",
      "footprint": "rn8209d.kicad_mod",
      "model_3d": "rn8209d-etched.glb",
      "model_3d_plain": "rn8209d.glb",
      "model_3d_step": "rn8209d-etched.step",
      "model_3d_step_plain": "rn8209d.step",
      "lbr": "rn8209d.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply for the analog portion of the chip. Requires 10µF + 0.1µF decoupling. Normal application range 3V-5.5V, typical 3.3V or 5V ±10%."
      },
      {
        "number": "2",
        "name": "RST_N",
        "type": "input",
        "description": "Active-low reset pin. When held low the chip is in reset. Requires an external pull-up resistor."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "4",
        "name": "V1P",
        "type": "input",
        "description": "Positive analog input of current Channel A. Fully differential input, max normal Vpp ±1000mV, max withstand ±6V."
      },
      {
        "number": "5",
        "name": "V1N",
        "type": "input",
        "description": "Negative analog input of current Channel A. Fully differential input, max normal Vpp ±1000mV, max withstand ±6V."
      },
      {
        "number": "6",
        "name": "V2P",
        "type": "input",
        "description": "Positive analog input of current Channel B. Fully differential input, max normal Vpp ±1000mV, max withstand ±6V."
      },
      {
        "number": "7",
        "name": "V2N",
        "type": "input",
        "description": "Negative analog input of current Channel B. Fully differential input, max normal Vpp ±1000mV, max withstand ±6V."
      },
      {
        "number": "8",
        "name": "V3P",
        "type": "input",
        "description": "Positive analog input of the voltage channel. Fully differential input, max normal Vpp ±1000mV, max withstand ±6V."
      },
      {
        "number": "9",
        "name": "V3N",
        "type": "input",
        "description": "Negative analog input of the voltage channel. Fully differential input, max normal Vpp ±1000mV, max withstand ±6V."
      },
      {
        "number": "10",
        "name": "REFV",
        "type": "bidirectional",
        "description": "1.25V reference voltage input/output. Internal or external reference can be used; decouple with 1µF + 0.1µF capacitors to AGND."
      },
      {
        "number": "11",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "12",
        "name": "IS",
        "type": "input",
        "description": "Serial interface select. IS=0 → UART interface; IS=1 → SPI interface. Pin is internally floating; an external pull-up or pull-down is required."
      },
      {
        "number": "13",
        "name": "SDO/TX",
        "type": "output",
        "description": "Multiplexed serial output: SPI SDO when IS=1 (high-impedance after reset) or UART TX data output when IS=0."
      },
      {
        "number": "14",
        "name": "SDI/RX/RST_N",
        "type": "input",
        "description": "Multiplexed serial input: SPI SDI when IS=1 (3.3V/5V-compatible), or UART RX when IS=0. Also acts as an independent reset pin (equivalent to the dedicated RST_N pin) when held low."
      },
      {
        "number": "15",
        "name": "SCLK/B0",
        "type": "input",
        "description": "Multiplexed pin: SPI serial clock input when IS=1 (3.3V/5V-compatible); when IS=0 acts as B0, combined with B1 to select UART baud rate ({B1,B0}=00/01/10/11 → 2400/4800/9600/19200 bps)."
      },
      {
        "number": "16",
        "name": "SCSN/B1",
        "type": "input",
        "description": "Multiplexed pin: SPI chip-select (active low) when IS=1 (3.3V/5V-compatible, requires external pull-up); when IS=0 acts as B1 baud-select bit for UART (see B0)."
      },
      {
        "number": "17",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "18",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply for the digital portion of the chip. Requires 10µF + 0.1µF decoupling. Normal application range 3V-5.5V, typical 3.3V or 5V ±10%."
      },
      {
        "number": "19",
        "name": "OSCI",
        "type": "input",
        "description": "External crystal input / external clock input. Typical crystal frequency 3.579545MHz, external capacitor 15pF-22pF. Internal ~4MΩ feedback resistor is present (no external resistor needed); crystal ESR must be <50Ω."
      },
      {
        "number": "20",
        "name": "OSCO",
        "type": "output",
        "description": "External crystal output."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "22",
        "name": "IRQ_N/ZX",
        "type": "output",
        "description": "Interrupt or zero-crossing indicator output. After reset acts as interrupt request IRQ_N (Zxcfg=EMUCON bit7 = 0). When Zxcfg=1, outputs a zero-crossing indication (ZX) on the voltage channel."
      },
      {
        "number": "23",
        "name": "PF",
        "type": "output",
        "description": "Active energy pulse output, low-level output by default. Pulse frequency indicates transient active power. Capable of 5mA output/sink."
      },
      {
        "number": "24",
        "name": "QF",
        "type": "output",
        "description": "Reactive energy pulse output or user-defined pulse output, low-level output by default. Frequency indicates transient reactive or user-defined power. User-defined source can be Channel-B active power or vector sum of the two channels. Capable of 5mA output/sink."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882165929562112",
        "pages": 47,
        "sha256": "98eac50d43fd9f51",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENERGY",
      "Package": "SSOP-24",
      "Category": "Data Acquisition",
      "Pins": "24"
    }
  },
  "variants": [
    {
      "mpn": "RN8209D",
      "kind": "packaging"
    },
    {
      "mpn": "RN8209C",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "rn8209d"
  ],
  "discovery_pitch": "RN8209D (RENERGY) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "rn8209d.kicad_mod",
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    "rn8209d.step",
    "rn8209d.lbr",
    "docs/hero.png",
    "docs/rn8209d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T04:54:13.749Z"
}