STPM10BTR

{
  "slug": "stpm10btr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Energy Metering, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "stpm10btr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stpm10btr.kicad_sym",
    "stpm10btr.kicad_mod",
    "stpm10btr.glb",
    "stpm10btr.step",
    "stpm10btr.lbr",
    "docs/hero.png",
    "docs/stpm10btr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stpm10btr-hero.glb",
    "stpm10btr-hero.overlay.json"
  ],
  "component": {
    "mpn": "STPM10BTR",
    "manufacturer": "STMicroelectronics",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Data Acquisition",
    "subcategory": "Energy Metering",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930968589094912",
    "parts": {
      "symbol": "stpm10btr.kicad_sym",
      "footprint": "stpm10btr.kicad_mod",
      "model_3d": "stpm10btr-hero.glb",
      "model_3d_plain": "stpm10btr.glb",
      "model_3d_step": "stpm10btr-etched.step",
      "model_3d_step_plain": "stpm10btr.step",
      "lbr": "stpm10btr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653431",
      "digikey": "497-11291-2-ND",
      "mouser": "511-STPM10BTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T04:20:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-11291-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "511-STPM10BTR",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "WDG",
        "type": "output",
        "description": "Watchdog output that gives a 16 ms positive pulse every 1.6 s while the host keeps latching data, and goes active high if latching requests are not made within 1.6 s."
      },
      {
        "number": "2",
        "name": "ZCR",
        "type": "output",
        "description": "Zero-crossing signal output (see Section 7.4 for the ZCR signal)."
      },
      {
        "number": "3",
        "name": "SCS",
        "type": "input",
        "description": "SPI interface enable pin: SPI operation is enabled when SCS is low, and SCS is also the idle-state control for the SPI pins."
      },
      {
        "number": "4",
        "name": "VDDD",
        "type": "power_out",
        "description": "1.8 V output of the internal low-drop regulator that supplies the digital core; a 100 nF low-ESR capacitor to VSS should be placed close to the pin."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground and reference point for all internal signals."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply voltage input; the DC input is rated -0.3 to 6 V and the device is held in reset when VCC is below 2.5 V."
      },
      {
        "number": "7",
        "name": "VO",
        "type": "power_out",
        "description": "Output of the internal low-drop regulator."
      },
      {
        "number": "8",
        "name": "VDDA",
        "type": "power_out",
        "description": "3 V output of the internal low-drop regulator that supplies the analog part; a 100 nF low-ESR capacitor to VSS should be placed close to the pin."
      },
      {
        "number": "9",
        "name": "IIP1",
        "type": "input",
        "description": "Positive input of the primary current channel; analog input voltage is limited to -0.7 to 0.7 V."
      },
      {
        "number": "10",
        "name": "IIN1",
        "type": "input",
        "description": "Negative input of the primary current channel; analog input voltage is limited to -0.7 to 0.7 V."
      },
      {
        "number": "11",
        "name": "IIP2",
        "type": "input",
        "description": "Positive input of the secondary current channel; analog input voltage is limited to -0.7 to 0.7 V."
      },
      {
        "number": "12",
        "name": "IIN2",
        "type": "input",
        "description": "Negative input of the secondary current channel; analog input voltage is limited to -0.7 to 0.7 V."
      },
      {
        "number": "13",
        "name": "VIP",
        "type": "input",
        "description": "Positive input of the voltage channel; analog input voltage is limited to -0.7 to 0.7 V."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Negative input of the voltage channel; analog input voltage is limited to -0.7 to 0.7 V."
      },
      {
        "number": "15",
        "name": "SYN",
        "type": "bidirectional",
        "description": "SPI interface pin used for latching and read/write mode selection; the pin table lists it as I/O while Section 7.19 describes it as an input."
      },
      {
        "number": "16",
        "name": "CLKIN",
        "type": "input",
        "description": "Crystal oscillator input, used when the crystal oscillator is selected (RC bit = 0)."
      },
      {
        "number": "17",
        "name": "CKOUT",
        "type": "output",
        "description": "Crystal oscillator output, used when the crystal oscillator is selected."
      },
      {
        "number": "18",
        "name": "SCL",
        "type": "bidirectional",
        "description": "SPI interface clock pin; the pin table lists it as I/O while Section 7.19 describes it as an input clock."
      },
      {
        "number": "19",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SPI interface data pin: input in write mode and output in read mode, with an internal weak pull-up of about 15 µA."
      },
      {
        "number": "20",
        "name": "LED",
        "type": "output",
        "description": "Active energy pulsed output whose pulse rate is proportional to energy and is used for calibration."
      }
    ],
    "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: Pin table (page 7) lists SYN and SCL as type I/O, but Section 7.19 (page 31) states SCS, SYN and SCL; Pin table lists SCS as type D IN; typed as input. Only the enable function is described in the provi; Only pages 1-9, 21-28 and 44-45 of the 47-page datasheet were provided. Pin descriptions were taken "
        ],
        "pages_sent": 21,
        "cost_usd": 0.0776,
        "at": "2026-10-12T04:20:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930968589094912",
        "pages": 47,
        "sha256": "0b752c6906935caa",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stpm10btr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stpm10btr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cc805816b48ed561cbca8ab6271b3631dce2931da95d045bb64930da9150b228",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}