SR2LARU

{
  "schema_version": 1,
  "type": "component",
  "slug": "sr2laru",
  "title": "SR2LARU",
  "brief": "STMicroelectronics Monitors & Reset Circuits, UDFN-6(1.3x1.6). 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 supply chip",
    "sr2laru",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SR2LARU",
    "manufacturer": "STMicroelectronics",
    "package": "UDFN-6(1.3x1.6)",
    "pin_count": 6,
    "category": "Power Supply Chip",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040962798014464",
    "parts": {
      "symbol": "sr2laru.kicad_sym",
      "footprint": "sr2laru.kicad_mod",
      "model_3d": "sr2laru-hero.glb",
      "model_3d_plain": "sr2laru.glb",
      "model_3d_step": "sr2laru-etched.step",
      "model_3d_step_plain": "sr2laru.step",
      "lbr": "sr2laru.lbr"
    },
    "distributor_links": {
      "lcsc": "C2066501",
      "digikey": "497-14627-2-ND",
      "mouser": "511-SR2LARU"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:31:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-14627-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-SR2LARU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin for the device; a 0.1 µF ceramic decoupling capacitor is recommended between VCC and VSS, as close to the device as possible."
      },
      {
        "number": "2",
        "name": "SR1",
        "type": "input",
        "description": "Secondary push-button Smart Reset input, active low, which must be held active together with SR0 for at least tSRC (6.0 s typ. for SR2LARU) to assert RST; VIH is 0.85 V to 5.5 V and VIL is up to 0.3 V."
      },
      {
        "number": "3",
        "name": "RST",
        "type": "output",
        "description": "Active-low open-drain reset output with no internal pull-up on this variant, so an external pull-up is required; VOL is 0.3 V max when sinking 3.2 mA at VCC ≤ 4.5 V, and the output stays valid down to VCC = 1 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (not bonded internally); the datasheet says it should be connected to VSS."
      },
      {
        "number": "5",
        "name": "SR0",
        "type": "input",
        "description": "Primary push-button Smart Reset input, active low, which must be held active together with SR1 for at least tSRC to assert RST; driving it to VCC + 0.9 V to VCC + 1.4 V enters test mode."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 1.65 V to 5.5 V (absolute maximum -0.3 V to 7 V), with a 0.1 µF ceramic decoupling capacitor recommended between VCC and VSS."
      }
    ],
    "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: Figure 2 (page 4) pin-connection labels are garbled in the text extraction and do not map cleanly to; Table 1 describes the SR inputs and RST as having optional pull-ups and RST as push-pull or open-dra; Package hint UDFN-6 (1.3x1.6) matches the datasheet's UDFN6 1.6 x 1.3 mm package; this datasheet cov"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0638,
        "at": "2026-10-08T18:31:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040962798014464",
        "pages": 22,
        "sha256": "08d927275f1457ef",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sr2laru.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.62,
          1.3,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fc8217f2b0653ea1af480aa1ae5969acb0d6d1cb63064499e4a5d9d51ed94652",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sr2laru-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.62,
          1.3,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f49ef9f6b365708289131b31aa6c1effb1fd3bca46c4abb49aa9d732934e467d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "UDFN-6(1.3x1.6)",
      "Category": "Power Supply Chip",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sr2laru"
  ],
  "discovery_pitch": "SR2LARU (STMicroelectronics) 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",
    "sr2laru.kicad_sym",
    "sr2laru.kicad_mod",
    "sr2laru.glb",
    "sr2laru.step",
    "sr2laru.lbr",
    "docs/hero.png",
    "docs/sr2laru-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sr2laru-hero.glb",
    "sr2laru-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}