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Ray Set visibility: public 88a9a89 16d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sgm2551ayn5g",
  "title": "SGM2551AYN5G",
  "brief": "SGMICRO 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)",
    "sgm2551ayn5g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SGM2551AYN5G",
    "manufacturer": "SGMICRO",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918842105585664",
    "parts": {
      "symbol": "sgm2551ayn5g.kicad_sym",
      "footprint": "sgm2551ayn5g.kicad_mod",
      "model_3d": "sgm2551ayn5g-hero.glb",
      "model_3d_plain": "sgm2551ayn5g-etched.glb",
      "model_3d_step": "sgm2551ayn5g-etched.step",
      "model_3d_step_plain": "sgm2551ayn5g.step",
      "lbr": "sgm2551ayn5g.lbr"
    },
    "distributor_links": {
      "lcsc": "C699876"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T11:54:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Switch input; a 0.1μF or larger ceramic capacitor must be added between the IN pin and GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input; logic high enables the device (VIH min 1.4V, VIL max 0.3V)."
      },
      {
        "number": "4",
        "name": "ILIM",
        "type": "passive",
        "description": "Programmable current limit pin; an external resistor with 20kΩ ≤ RILIM ≤ 387kΩ sets the current limit threshold."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Switch output."
      }
    ],
    "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 SOT-23-5 pin mapping is taken from the PIN DESCRIPTION table on page 3, which lists TDFN and SOT; The ordering table lists the SOT-23-5 variant as SGM2551AYN5G/TR (marking SKEXX). The supplied MPN o"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0372,
        "at": "2026-10-17T11:52:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918842105585664",
        "pages": 11,
        "sha256": "6a0dc1d2b28116fd",
        "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": "sgm2551ayn5g.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": "sgm2551ayn5g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "31611d7da8030c41a14f622937e59cb06ae326bc6e98a2af04fe51d3ca0cf717",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SGMICRO",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6a0dc1d2b28116fd053fa28d6c65fb656ae26586ce697e04c844adbb7fa7ab87",
      "rows": [
        {
          "name": "High-side MOSFET On Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 90,
          "max": 130,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Rise Time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1.8,
          "max": 3.5,
          "conditions": "VIN = 5.5V, CL = 1μF, RL = 100Ω, Figure 2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Rise Time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1.1,
          "max": 2.5,
          "conditions": "VIN = 2.5V, CL = 1μF, RL = 100Ω, Figure 2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Fall Time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 0.3,
          "max": 0.4,
          "conditions": "VIN = 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic High of Enable Pin",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Low of Enable Pin",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VEN = 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 3,
          "max": 5,
          "conditions": "CL = 1μF, RL = 100Ω, Figure 2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Time",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1.6,
          "max": 2.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit Threshold (Maximum DC output current IOUT delivered to load)",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 460,
          "typ": 545,
          "max": 610,
          "conditions": "OUT connected to GND through 4Ω; VIN = 3V, RILIM = 68kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse-Voltage Comparator Trip Point (VOUT - VIN)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 115,
          "typ": 160,
          "max": 205,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Time from Reverse-Voltage Condition to MOSFET Turn-Off",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": 3.5,
          "typ": 5.5,
          "max": 7.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, Low-Level Output",
          "symbol": "IIN(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 2.5,
          "conditions": "VIN = 5.5V, No load on OUT, VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, High-Level Output",
          "symbol": "IIN(ON)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 71,
          "max": 105,
          "conditions": "RILIM = 36kΩ, VIN = 5.5V, No load on OUT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, High-Level Output",
          "symbol": "IIN(ON)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 62,
          "max": 95,
          "conditions": "RILIM = 68kΩ, VIN = 5.5V, No load on OUT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IREV",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VOUT = 5.5V, VIN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (Under-Voltage Lockout)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable Voltage Range",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Output Current Range",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit Threshold Resistor Range",
          "symbol": "RILIM",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 20,
          "typ": null,
          "max": 387,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum Input Decoupling Capacitance",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "μF",
          "min": 0.1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VIN, VOUT, EN and ILIM to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ILIM Source Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOT-23-5 junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "SOT-23-5",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "SGM2551AYN5G (SGMICRO) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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