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Ray Set visibility: public 2051f6a 7h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sy6281aac",
  "title": "SY6281AAC",
  "brief": "Silergy Corp Power Distribution Switches, SOT-23-5. 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)",
    "sy6281aac",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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"
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    "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,
        "centre_offset_mm": 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": [
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          1.55
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "36e9f69742908d9a0e708d449f6b16484a796d909830c9932f3cc41e8d0de49e",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Silergy Corp",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0ed88887c9dc32029e1787ee144379263e008d7fa81436e7711b0a37e7d9a53b",
      "rows": [
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Input Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "Open load, IC Disabled.",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Over Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 0.75,
          "typ": 1,
          "max": 1.25,
          "conditions": "RSET=6.8kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Over Current Limit minimum",
          "symbol": "ILIM(min)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Over Current Limit maximum",
          "symbol": "ILIM(max)",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": 5.5,
          "conditions": "IN pin",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "All other pins voltage (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "All other pins",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range (recommended)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "All pins voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "All pins",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "TA = 25°C, SOT23-5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance junction-to-case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "Open load, IC Enabled.",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FET RON",
          "symbol": "RDS(ON)1",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ENB Rising Threshold",
          "symbol": "VENB(H)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ENB Falling Threshold",
          "symbol": "VENB(L)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ENB Leakage",
          "symbol": "IENB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VENB=5.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IN UVLO Threshold",
          "symbol": "VIN,UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.3,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IN UVLO Hysteresis",
          "symbol": "VIN,HYS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-ON Time",
          "symbol": "TON",
          "kind": "electrical",
          "unit": "us",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "RL=10Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-OFF Time",
          "symbol": "TOFF",
          "kind": "electrical",
          "unit": "us",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "RL=10Ω, CL=1uF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "OUT Shutdown Discharge Resistance",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SY6281AAC (Silergy Corp) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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