main
Ray bl8072cotr50: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain S… 278cfe0 24d ago
{
  "slug": "bl8072cotr50",
  "version": "0.1.0",
  "type": "component",
  "description": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "pmic",
    "bl8072cotr50"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl8072cotr50.kicad_sym",
    "bl8072cotr50.kicad_mod",
    "bl8072cotr50.glb",
    "bl8072cotr50.step",
    "bl8072cotr50.lbr",
    "docs/hero.png",
    "docs/bl8072cotr50-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl8072cotr50-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "component": {
    "mpn": "BL8072COTR50",
    "manufacturer": "BL Shanghai Belling",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "parts": {
      "symbol": "bl8072cotr50.kicad_sym",
      "footprint": "bl8072cotr50.kicad_mod",
      "model_3d": "bl8072cotr50-etched.glb",
      "model_3d_plain": "bl8072cotr50.glb",
      "model_3d_step": "bl8072cotr50-etched.step",
      "model_3d_step_plain": "bl8072cotr50.step",
      "lbr": "bl8072cotr50.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "Vss/ADJ",
        "type": "power_in",
        "description": "Ground / adjust pin. In fixed-voltage application this pin is tied to GND (0V). In the adjustable configuration it becomes the ADJ feedback node connected to the R1/R2 divider from Vout; the internal reference (VRef) is regulated between Vout and this pin (Vout = VRef*(1+R2/R1) + IAdj*R2, with IAdj ~2uA). A 0.1uF bypass capacitor from ADJ to GND is recommended to improve ripple rejection."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage pin. Delivers up to 2A with ±2% accuracy (±1% option). For the -50 suffix Vout = 5.0V typical. Requires a 1uF ceramic output capacitor to GND for stability."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply pin. Recommended operating input voltage up to 18V, absolute maximum 20V. Requires a 1uF ceramic bypass capacitor to GND. Dropout typical 850mV @ 1.5A for Vout ≥ 2.0V."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:54:20Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "bl8072cotr50.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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl8072cotr50-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c0a339888f00090b95a40a0701bea253b2408d4d8cc0527e75c2787b26eb605e",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": null,
      "rows": [
        {
          "name": "Output voltage accuracy (default, no voltage-accuracy suffix)",
          "symbol": "Vout",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Voltage accuracy blank (default) = ±2%; suffix 1 would be ±1%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "Iout(Max.)",
          "kind": "electrical",
          "unit": "A",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Vin-Vout=1V, Vout ≥ 2.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 850,
          "max": 950,
          "conditions": "Iout=1.5A, Vout ≥ 2.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "Iout=10mA, Set Vout+1V≤Vin≤18V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "1mA≤Iout≤1.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3,
          "max": 5,
          "conditions": "Vin=Set Vout+1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "T",
          "kind": "temperature_coefficient",
          "unit": "ppm/C",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Iout=100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (TO-252)",
          "symbol": "",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "Junction to case, TO-252",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range (recommended)",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature (recommended)",
          "symbol": "Ta",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature (absolute maximum)",
          "symbol": "Ta",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  }
}