GR2188A28M3G

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  "schema_version": 1,
  "type": "component",
  "slug": "gr2188a28m3g",
  "title": "GR2188A28M3G",
  "brief": "GR DC-DC Converters, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "gr2188a28m3g",
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  "component": {
    "mpn": "GR2188A28M3G",
    "manufacturer": "GR",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602690342034550784",
    "parts": {
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      "lbr": "gr2188a28m3g.lbr"
    },
    "distributor_links": {
      "lcsc": "C19631818"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:17:07Z",
      "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); the datasheet gives no further electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "Lx",
        "type": "output",
        "description": "Inductor connection pin (电感接入端); the absolute maximum LX current is 1000 mA and the maximum voltage on LX is 6 V."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Voltage output pin (电压输出端); the absolute maximum voltage on VOUT and LX is 6 V, and the output is specified at 1.8 V to 3.6 V in 0.1 V steps."
      }
    ],
    "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 MPN code 'M3' is not one of the package codes defined in the datasheet's naming rule (MR = SOT23; The pin-type classes are my interpretation, not stated in the datasheet. Lx is classed as output bec; Pin 1 (GND) in the SOT23-3 column has no stated electrical limit beyond being the chip ground. The s"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0364,
        "at": "2026-10-17T18:15:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602690342034550784",
        "pages": 9,
        "sha256": "7f53c339422b1063",
        "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": "gr2188a28m3g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gr2188a28m3g-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "77a57312dcf03ae3f46c3aed4d0d5cd8c61c690ac453b2c286bf8340376275ef",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GR",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7f53c339422b10637d681a68baf0422a356722ec74937d24e9ab82686c4c28c5",
      "rows": [
        {
          "name": "Maximum voltage on VOUT and LX pins",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "供给 VOUT 和 LX 端的最大电压值",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "LX pin maximum current",
          "symbol": "ILXmax",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "LX 端最大电流",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "Tw",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -20,
          "typ": null,
          "max": 70,
          "conditions": "工作温度范围",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tc",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "存储温度范围",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "Th",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "GR2188A28M3G (GR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}