main
Ray Set visibility: public f23dadc 6d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "bm14270amuv-lbe2",
  "title": "BM14270AMUV-LBE2",
  "brief": "ROHM Semicon Current Sensors, VQFN-20(3.5x3.5). 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",
    "sensors",
    "bm14270amuv-lbe2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BM14270AMUV-LBE2",
    "manufacturer": "ROHM Semicon",
    "package": "VQFN-20(3.5x3.5)",
    "pin_count": 21,
    "category": "Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/81ce1a792a7b20fe832de50223e20c82.pdf",
    "parts": {
      "symbol": "bm14270amuv-lbe2.kicad_sym",
      "footprint": "bm14270amuv-lbe2.kicad_mod",
      "model_3d": "bm14270amuv-lbe2-hero.glb",
      "model_3d_plain": "bm14270amuv-lbe2-etched.glb",
      "model_3d_step": "bm14270amuv-lbe2-etched.step",
      "model_3d_step_plain": "bm14270amuv-lbe2.step",
      "lbr": "bm14270amuv-lbe2.lbr"
    },
    "distributor_links": {
      "lcsc": "C510546",
      "digikey": "846-BM14270AMUV-LBE2TR-ND",
      "mouser": "755-BM14270AMUV-LBE2"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T00:01:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "846-BM14270AMUV-LBE2TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "755-BM14270AMUV-LBE2",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, operating range 2.7 V to 5.5 V (5.0 V typ); place a bypass capacitor between VDD and GND as close as possible to the IC."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "VREG",
        "type": "power_out",
        "description": "Internal regulator output; set a 0.22 μF bypass capacitor between VREG and GND as close as possible to the IC."
      },
      {
        "number": "10",
        "name": "TEST",
        "type": "passive",
        "description": "Test pin; connect to GND."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "16",
        "name": "ALERT",
        "type": "output",
        "description": "ALERT output pin; when ALERT_EN=1 in CNTL2 it outputs the RD_DRDY data-ready signal."
      },
      {
        "number": "17",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input; SCL clock frequency up to 400 kHz."
      },
      {
        "number": "18",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output."
      },
      {
        "number": "19",
        "name": "ADDR",
        "type": "input",
        "description": "I2C programmable address bit; connect to VDD or GND to select slave address 0001111 (ADDR=H) or 0001110 (ADDR=L)."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; set to open."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The EXP-PAD (exposed thermal pad) is listed in the pin description table with no pin number printed,; TEST pin type is not stated in the datasheet; it is classed as passive because the datasheet only sa; ALERT output driver type (push-pull vs open-drain) is not stated in the text; classed as output.",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0808,
        "at": "2026-11-05T00:01:33"
      },
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        "pages": 23,
        "sha256": "6894921f4ef78520",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "752272881d2bc41ec07fccc42c7a6f33e769ae7131e032cf804ce7535002f6f6",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "bm14270amuv-lbe2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fb8714c3b6b51df4005ba2faf70e83bd368d60ffa684099fc401c063775605f1",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "VQFN-20(3.5x3.5)",
      "Category": "Sensors",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6894921f4ef78520730bff06424f8496692ecbbc1580596a24574aefe460c9ad",
      "rows": [
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          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Ta=25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Ta=25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "Tjmax",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Ta=25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Exposed Field",
          "symbol": "Mef",
          "kind": "absolute_maximum",
          "unit": "mT",
          "min": -1000,
          "typ": null,
          "max": 1000,
          "conditions": "Ta=25 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 5,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "I2C Clock Frequency",
          "symbol": "fSCL",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
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        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Average Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 70,
          "max": 140,
          "conditions": "Output Data Rate = 20 SPS",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Power Down Mode Current",
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          "kind": "electrical",
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          "conditions": "ALL Power Down",
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        {
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          "kind": "electrical",
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          "min": -10,
          "typ": null,
          "max": 0,
          "conditions": "VIL = GND",
          "source_page": 5,
          "source": "datasheet"
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          "name": "High-level Input Current",
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          "kind": "electrical",
          "unit": "µA",
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          "max": 10,
          "conditions": "VIH = VDD",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Measurable Range",
          "symbol": "RM",
          "kind": "electrical",
          "unit": "µT",
          "min": -280,
          "typ": null,
          "max": 280,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Linearity",
          "symbol": "LIN",
          "kind": "electrical",
          "unit": "%FS",
          "min": null,
          "typ": 0.5,
          "max": 2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Offset",
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          "kind": "electrical",
          "unit": "LSB",
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          "typ": 0,
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          "source": "datasheet"
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        {
          "name": "Magnetic Sensitivity",
          "symbol": "DELTAV",
          "kind": "electrical",
          "unit": "µT/LSB",
          "min": null,
          "typ": 0.045,
          "max": null,
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          "source": "datasheet"
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        {
          "name": "Measurement Time",
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          "source_page": 5,
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        {
          "name": "SCL Clock Frequency",
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          "kind": "timing",
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          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "'L' Period of the SCL Clock",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
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        },
        {
          "name": "'H' Period of the SCL Clock",
          "symbol": "tHIGH",
          "kind": "timing",
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          "min": 0.6,
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          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Setup Time for Repeated START Condition",
          "symbol": "tSU;STA",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
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          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Hold Time (Repeated) START Condition",
          "symbol": "tHD;STA",
          "kind": "timing",
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          "min": 0.6,
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        {
          "name": "Data Setup Time",
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          "kind": "timing",
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          "min": 100,
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        },
        {
          "name": "Data Hold Time",
          "symbol": "tHD;DAT",
          "kind": "timing",
          "unit": "µs",
          "min": 0,
          "typ": null,
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          "conditions": "",
          "source_page": 8,
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        },
        {
          "name": "Setup Time for STOP Condition",
          "symbol": "tSU;STO",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
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          "source_page": 8,
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        {
          "name": "Bus Free Time between a STOP and START Condition",
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          "kind": "timing",
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          "min": 1.3,
          "typ": null,
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          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient (1s board, JESD51-3)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 181.9,
          "max": null,
          "conditions": "1s board (JESD51-3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient (2s2p board, JESD51-5, 7)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50.5,
          "max": null,
          "conditions": "2s2p board (JESD51-5, 7)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction to Top Characterization Parameter (1s board, JESD51-3)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "1s board (JESD51-3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction to Top Characterization Parameter (2s2p board, JESD51-5, 7)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "2s2p board (JESD51-5, 7)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "BM14270AMUV-LBE2 (ROHM Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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