BL0906

{
  "schema_version": 1,
  "type": "component",
  "slug": "bl0906",
  "title": "BL0906",
  "brief": "BL Shanghai Belling Energy Metering, LQFP-32(7x7). 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",
    "bl0906",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BL0906",
    "manufacturer": "BL Shanghai Belling",
    "package": "LQFP-32(7x7)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Energy Metering",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839480867237888",
    "parts": {
      "symbol": "bl0906.kicad_sym",
      "footprint": "bl0906.kicad_mod",
      "model_3d": "bl0906-etched.glb",
      "model_3d_plain": "bl0906.glb",
      "model_3d_step": "bl0906-etched.step",
      "model_3d_step_plain": "bl0906.step",
      "lbr": "bl0906.lbr"
    },
    "distributor_links": {
      "lcsc": "C2999148"
    },
    "pins": [
      {
        "number": "1",
        "name": "IP4",
        "type": "input",
        "description": "Channel #4 current positive input with programmable gain (x1, x2, x4, x16), maximum differential voltage ±700mV."
      },
      {
        "number": "2",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage input/output terminal for 1.2V internal reference."
      },
      {
        "number": "3",
        "name": "IN5",
        "type": "input",
        "description": "Channel #5 current negative input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "4",
        "name": "IP5",
        "type": "input",
        "description": "Channel #5 current positive input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "5",
        "name": "IN6",
        "type": "input",
        "description": "Channel #6 current negative input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "6",
        "name": "IP6",
        "type": "input",
        "description": "Channel #6 current positive input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "7",
        "name": "VN",
        "type": "input",
        "description": "Channel #7 voltage negative input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "8",
        "name": "VP",
        "type": "input",
        "description": "Channel #7 voltage positive input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "9",
        "name": "NRST",
        "type": "input",
        "description": "Reset pin, active low."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "11",
        "name": "CS",
        "type": "input",
        "description": "SPI chip select signal pin, active low."
      },
      {
        "number": "12",
        "name": "TX/SDO",
        "type": "output",
        "description": "SPI/UART transmit data output, 2.6V high at VDD=3.3V±2.5%."
      },
      {
        "number": "13",
        "name": "RX/SDI",
        "type": "input",
        "description": "SPI/UART receive data input, minimum 2.6V high at VDD=3.3V±2.5%."
      },
      {
        "number": "14",
        "name": "SCLK",
        "type": "input",
        "description": "SPI communication clock input pin."
      },
      {
        "number": "15",
        "name": "_IRQ",
        "type": "output",
        "description": "Interrupt output pin, active low."
      },
      {
        "number": "16",
        "name": "VPP",
        "type": "input",
        "description": "OTP programming voltage pin (±7V range), can float during normal operation."
      },
      {
        "number": "17",
        "name": "M1",
        "type": "output",
        "description": "Channel 1 overcurrent detection output indicator."
      },
      {
        "number": "18",
        "name": "M2",
        "type": "output",
        "description": "Channel 2 overcurrent detection output indicator."
      },
      {
        "number": "19",
        "name": "M3",
        "type": "output",
        "description": "Channel 3 overcurrent detection output indicator."
      },
      {
        "number": "20",
        "name": "M4",
        "type": "output",
        "description": "Channel 4 overcurrent detection output indicator."
      },
      {
        "number": "21",
        "name": "M5",
        "type": "output",
        "description": "Channel 5 overcurrent detection output indicator."
      },
      {
        "number": "22",
        "name": "M6",
        "type": "output",
        "description": "Channel 6 overcurrent detection output indicator."
      },
      {
        "number": "23",
        "name": "DVDD18",
        "type": "power_out",
        "description": "Digital 1.8V output from internal LDO regulator, supplies digital circuitry."
      },
      {
        "number": "24",
        "name": "SEL",
        "type": "input",
        "description": "UART/SPI mode selection pin, default internal pull-down selects UART, SEL=1 selects SPI."
      },
      {
        "number": "25",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, 3.0V to 3.6V operating range."
      },
      {
        "number": "26",
        "name": "IN1",
        "type": "input",
        "description": "Channel #1 current negative input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "27",
        "name": "IP1",
        "type": "input",
        "description": "Channel #1 current positive input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "28",
        "name": "IN2",
        "type": "input",
        "description": "Channel #2 current negative input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "29",
        "name": "IP2",
        "type": "input",
        "description": "Channel #2 current positive input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "30",
        "name": "IN3",
        "type": "input",
        "description": "Channel #3 current negative input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "31",
        "name": "IP3",
        "type": "input",
        "description": "Channel #3 current positive input with programmable gain, maximum differential voltage ±700mV."
      },
      {
        "number": "32",
        "name": "IN4",
        "type": "input",
        "description": "Channel #4 current negative input with programmable gain, maximum differential voltage ±700mV."
      }
    ],
    "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": 61,
        "cost_usd": 0.7237,
        "at": "2026-09-21T18:53:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839480867237888",
        "pages": 61,
        "sha256": "54f02036438ea64e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bl0906.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl0906-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b766ab23e284497327f560cdd2e100cbfe749eb63a6b315d63bd4b8925a46be0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "LQFP-32(7x7)",
      "Category": "Data Acquisition",
      "Pins": "32"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl0906"
  ],
  "discovery_pitch": "BL0906 (BL Shanghai Belling) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl0906.kicad_sym",
    "bl0906.kicad_mod",
    "bl0906.glb",
    "bl0906.step",
    "bl0906.lbr",
    "docs/hero.png",
    "docs/bl0906-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:45:21.140Z"
}