SY6281AAC

{
  "slug": "sy6281aac",
  "version": "0.1.0",
  "type": "component",
  "description": "Silergy Corp Power Distribution Switches, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sy6281aac",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sy6281aac.kicad_sym",
    "sy6281aac.kicad_mod",
    "sy6281aac.glb",
    "sy6281aac.step",
    "sy6281aac.lbr",
    "docs/hero.png",
    "docs/sy6281aac-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sy6281aac-hero.glb",
    "sy6281aac-hero.overlay.json",
    "sy6281aac-etched.glb"
  ],
  "component": {
    "mpn": "SY6281AAC",
    "manufacturer": "Silergy Corp",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944599314542592",
    "parts": {
      "symbol": "sy6281aac.kicad_sym",
      "footprint": "sy6281aac.kicad_mod",
      "model_3d": "sy6281aac-hero.glb",
      "model_3d_plain": "sy6281aac-etched.glb",
      "model_3d_step": "sy6281aac-etched.step",
      "model_3d_step_plain": "sy6281aac.step",
      "lbr": "sy6281aac.lbr"
    },
    "distributor_links": {
      "lcsc": "C2844078"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:27:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin of the power switch; at shutdown OUT can be forced higher than IN without back-feeding (reverse blocking), and the output is discharged through RDIS (150 Ω typ) during shutdown."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; per Note 2 it is also the case position used for the θJC measurement of the SOT-23-5 package."
      },
      {
        "number": "3",
        "name": "ISET",
        "type": "passive",
        "description": "Current limit programming pin; connect a resistor Rset from this pin to GND, with Ilim (A) = 6800 / Rset (Ω), giving 0.75 to 1.25 A at Rset = 6.8 kΩ and a stated Ilim range of 0.4 A (min) to 2 A (max)."
      },
      {
        "number": "4",
        "name": "ENB",
        "type": "input",
        "description": "Active-low ON/OFF control: pull low to enable the IC and do not float the pin; ENB rising threshold is 2 V and falling threshold is 0.8 V, with 1 µA max leakage at 5.5 V."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; operating range is 2.4 V to 5.5 V, with an IN UVLO threshold of 2.3 V and 0.1 V hysteresis."
      }
    ],
    "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 is marked 'TARGET DESIGN SPECIFICATION / Preliminary Spec' (Rev. 0.1), so the pinout a; Pin types are inferred from function, not stated by the datasheet: OUT is typed power_out, IN and GN; The pin table lists pin numbers and descriptions only; the datasheet does not give a voltage limit f"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0271,
        "at": "2026-10-17T14:24:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944599314542592",
        "pages": 4,
        "sha256": "0ed88887c9dc3202",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sy6281aac.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sy6281aac-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "36e9f69742908d9a0e708d449f6b16484a796d909830c9932f3cc41e8d0de49e",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}