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Ray Set visibility: public 5f6c29b 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "gr7144",
  "title": "GR7144",
  "brief": "GR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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)",
    "gr7144",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GR7144",
    "manufacturer": "GR",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602690333977563136",
    "parts": {
      "symbol": "gr7144.kicad_sym",
      "footprint": "gr7144.kicad_mod",
      "model_3d": "gr7144-hero.glb",
      "model_3d_plain": "gr7144-etched.glb",
      "model_3d_step": "gr7144-etched.step",
      "model_3d_step_plain": "gr7144.step",
      "lbr": "gr7144.lbr"
    },
    "distributor_links": {
      "lcsc": "C19631766"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:37:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground terminal (芯片接地端) for the GR7144 regulator in the SOT89-3 package."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Start-up input terminal (启动输入端); the GR7144 accepts a maximum input voltage of 18 V, with an absolute maximum rating of 20 V."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Chip output terminal (芯片输出端) delivering the regulated 4.4 V output (4.268 V to 4.532 V at IOUT = 1 mA, VIN = 6 V) with up to 100 mA typical output current."
      }
    ],
    "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 datasheet lists the package options (TO-92, SOT89-3, SOT23-3) for the whole GR71xx series in the; The datasheet's pin table gives pin names and functions only, not KiCad ERC types. VIN is typed powe; Pin 2 and pin 3 are swapped between the SOT89-3 and SOT23-3 columns (SOT89-3: VIN=2, VOUT=3; SOT23-3"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0231,
        "at": "2026-10-17T22:33:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602690333977563136",
        "pages": 9,
        "sha256": "8e23a109ba34970e",
        "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": "gr7144.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gr7144-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "23aab55c606866fe767c858dfe670b509381cad24b1e991d26bd3876f416fc6d",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GR",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8e23a109ba34970efa1a601f352e8b33a0d65075d4063cd710eec69f3662cce1",
      "rows": [
        {
          "name": "输出电压 Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.268,
          "typ": 4.4,
          "max": 4.532,
          "conditions": "VIN=6V,IOUT=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出电流 Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 60,
          "typ": 100,
          "max": null,
          "conditions": "VIN=6.4V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "负载调节 Load regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 60,
          "max": 150,
          "conditions": "VIN=6.4V,1mA≤IOUT≤30mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "跌落电压 Dropout voltage",
          "symbol": "VDIF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "静态电流 Quiescent current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": 3,
          "conditions": "VIN=6.4V,空载",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "线性调整率 Line Regulation",
          "symbol": "ΔVOUT /(ΔVIN * VOUT)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "5.4V≤VIN≤18V,IOUT=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入电压 Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出电压温度系数 Output voltage temperature coefficient",
          "symbol": "ΔVOUT /ΔTa",
          "kind": "temperature_coefficient",
          "unit": "mV/℃",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "VIN=6.4V,IOUT=10mA,0℃≤Ta≤70℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出电压容差 Output voltage tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "最大输入电压 Maximum input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "功耗 Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "工作温度 Operating temperature",
          "symbol": "Tw",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -25,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "存储温度 Storage temperature",
          "symbol": "Tc",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -50,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "焊接温度 Soldering temperature",
          "symbol": "Th",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gr7144"
  ],
  "discovery_pitch": "GR7144 (GR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gr7144.kicad_sym",
    "gr7144.kicad_mod",
    "gr7144.glb",
    "gr7144.step",
    "gr7144.lbr",
    "docs/hero.png",
    "docs/gr7144-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gr7144-hero.glb",
    "gr7144-hero.overlay.json",
    "gr7144-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}