main
Ray Set visibility: public 622507e 23d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bl78m15",
  "title": "BL78M15",
  "brief": "GME(银河微电) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. 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",
    "power management (pmic)",
    "bl78m15",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BL78M15",
    "manufacturer": "GME(银河微电)",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921425081614336",
    "parts": {
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      "footprint": "bl78m15.kicad_mod",
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      "model_3d_plain": "bl78m15-etched.glb",
      "model_3d_step": "bl78m15-etched.step",
      "model_3d_step_plain": "bl78m15.step",
      "lbr": "bl78m15.lbr"
    },
    "distributor_links": {
      "lcsc": "C21882712"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:21:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VI",
        "type": "power_in",
        "description": "Unregulated input voltage pin (I), rated for a maximum of 35 V and used with a 0.33 µF input capacitor Ci in the test circuit."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground pin (G), connected to the ground return of both the input capacitor Ci and the output capacitor Co."
      },
      {
        "number": "3",
        "name": "VO",
        "type": "power_out",
        "description": "Regulated 15 V output pin (O), typically 15 V with 0.1 µF output capacitor Co, delivering over 0.5 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The schematic shows only numbers 1 (Vi) and 2 (ground). The photo labels the leads I, G and O. Pin 3; The datasheet doesn't say how the TO-252 metal tab is connected. It is normally ground on 78xx regul",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1382,
        "at": "2026-10-17T18:20:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921425081614336",
        "pages": 3,
        "sha256": "04cce74d99c92782",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bl78m15.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl78m15-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "0c71db0aa8eeac1daeee29ee75ec6b3476096e5bde1c4fa3be8e819c5c08acbf",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GME(银河微电)",
      "Package": "TO-252",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "04cce74d99c9278266232fb4d167718ded854e0b056d962fd0e9d684a68c7270",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 92,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tj,Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 14.4,
          "typ": 15,
          "max": 15.6,
          "conditions": "IO=350mA,VIN=23V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 14.25,
          "typ": null,
          "max": 15.75,
          "conditions": "5mA≤IO≤350mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "△Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "5mA≤IO≤500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "△Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "5mA≤IO≤200mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "△Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "17.5V≤VIN≤30V,IO=200mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "△Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "20V≤VIN≤30V, IO=200mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.1,
          "max": 6,
          "conditions": "VIN=23V,IO=350mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "△IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "5mA≤IO≤350mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "△IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "17.5V≤VIN≤30V,IO=200mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 54,
          "typ": null,
          "max": null,
          "conditions": "f=120Hz,IO=300mA,VI=18.5V to 28.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Drift",
          "symbol": "ΔV/ΔT",
          "kind": "electrical",
          "unit": "mV/℃",
          "min": null,
          "typ": -1,
          "max": null,
          "conditions": "IO=5mA, TJ=0 to+125℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "μV/VO",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "10Hz≤f≤100KHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "TA=+25℃,IO=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "VI=35V,TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Current",
          "symbol": "IPK",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 700,
          "max": null,
          "conditions": "TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl78m15"
  ],
  "discovery_pitch": "BL78M15 (GME(银河微电)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  ],
  "visibility": {
    "public": true
  }
}