SGM2037-3.3XN5G

{
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  "type": "component",
  "slug": "sgm2037-3-3xn5g",
  "title": "SGM2037-3.3XN5G",
  "brief": "SGMICRO SGM2037 3 3XN5G TR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "SGM2037-3.3XN5G",
    "manufacturer": "SGMICRO SGM2037 3 3XN5G TR",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2209281430_SGMICRO-SGM2037-3-3XN5G-TR_C5152766.pdf",
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      "lbr": "sgm2037-3-3xn5g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply pin. Operating range 0.8V to 5.5V; must be at least VOUT(NOM)+VDROP_IN. Recommended input effective capacitance CIN >= 0.5 uF (1 uF typical)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. Return path for input, bias, and output currents."
      },
      {
        "number": "3",
        "name": "BIAS",
        "type": "power_in",
        "description": "Bias voltage supply for the internal control circuits. Operating range 2.5V to 5.5V and must satisfy (VOUT(NOM)+1.4) >= 2.5V. Monitored by the internal UVLO (VUVLO ~1.6V rising). Recommended bias effective capacitance CBIAS >= 0.1 uF."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable input. Drive EN high (VIH >= 1.2V) to turn on the regulator; drive low (VIL <= 0.25V) to disable. An internal pull-down (~580 kOhm) ensures the device is off when EN is floated."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 3.3V output pin (SGM2037-3.3 fixed variant). Delivers up to 500mA nominal with 120mV typical dropout at 500mA. Requires an output capacitor with effective capacitance of 1 uF to 10 uF (2.2 uF typical). Automatic discharge (~120 Ohm) pulls OUT down when EN=0."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
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        "pages": 18,
        "sha256": "2a5238ec70146888",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
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        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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          2.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
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        "sha256": "c4537be93d82151c872d91bd46ecd7055cc500b707d720eb8c9575c9873c5ae2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SGMICRO",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "SGM2037-3.3XN5G (SGMICRO SGM2037 3 3XN5G TR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "files": [
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  "visibility": {
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  "variants": [
    {
      "mpn": "SGM2037-3.3XN5G/TR",
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    },
    {
      "mpn": "SGM2037-3.3XN5GADJXN6G/TR",
      "kind": "packaging"
    },
    {
      "mpn": "SGM2037-3.3XN5GXUDX6G/TR",
      "kind": "packaging"
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  "updated_at": "2026-09-25T05:47:05.999Z"
}