main
Ray Set visibility: public f4fe50b 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ds8571-18s5",
  "title": "DS8571-18S5",
  "brief": "DSTECH Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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)",
    "ds8571-18s5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS8571-18S5",
    "manufacturer": "DSTECH",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3e040ee0f1bc3c44999e362f2c652574.pdf",
    "parts": {
      "symbol": "ds8571-18s5.kicad_sym",
      "footprint": "ds8571-18s5.kicad_mod",
      "model_3d": "ds8571-18s5-hero.glb",
      "model_3d_plain": "ds8571-18s5-etched.glb",
      "model_3d_step": "ds8571-18s5-etched.step",
      "model_3d_step_plain": "ds8571-18s5.step",
      "lbr": "ds8571-18s5.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533024"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T20:50:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input of supply voltage; the datasheet gives a recommended input range of 2.3V to 6V, with an absolute maximum of -0.3V to 7V to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator; input and output capacitor ground connections should return to this pin through short, wide copper traces."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; the datasheet gives an EN rising threshold (VIH) of 1.0V and a falling threshold (VIL) of 0.4V, with an absolute maximum of -0.3V to 6V to GND."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the DS8571 (non-SNS) SOT-23-5 variant."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output of the regulator, rated up to 300mA output current, with an absolute maximum of -0.3V to 6V to GND."
      }
    ],
    "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 DS8571 functional pin table (page 3) is garbled in the extracted text: the SOT-23-5 pin-number c; Pin 4 is listed as NC for the DS8571 (non-SNS) part. The SNS pin at pin 4 belongs to the DS8571N var; The MPN DS8571-18S5 was decoded as output voltage 1.8V (AA=18, a 2-digit code following the 05/08/33"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0497,
        "at": "2026-11-04T20:50:03"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3e040ee0f1bc3c44999e362f2c652574.pdf",
        "pages": 18,
        "sha256": "481282d70f89eeec",
        "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": "ds8571-18s5.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": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds8571-18s5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "688baf3960411d124f4244e3eaea1c220f31a70468e1aa432ecfc8ed6d334cdf",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DSTECH",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "must be back to the DS8571 ground pin using as wide and as short of a copper trace as is practical.",
        "page": 12,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "481282d70f89eeec4bc91d699d422d76c2f70f8ef27cd5d55f24379339b7f2b5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "481282d70f89eeec4bc91d699d422d76c2f70f8ef27cd5d55f24379339b7f2b5",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "DC Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "ILOAD = 0.1mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (VOUT = 1.8V)",
          "symbol": "VDROP_1.8V",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.09,
          "conditions": "VOUT = 1.8V, ILOAD = 100mA (Note 3)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "ILOAD = 0mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Ground Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "VEN = 0V, VOUT = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage (EN rising)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "EN rising",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage (EN falling)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "EN falling",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 100,
          "conditions": "VEN = 5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔLINE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "ILOAD = 30mA, 2.5V ≤ VIN ≤ 5.5V or (VOUT + 0.2V) ≤ VIN ≤ 5.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load Line Regulation",
          "symbol": "ΔLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "1mA ≤ ILOAD ≤ 300mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 301,
          "typ": 550,
          "max": null,
          "conditions": "VOUT = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN to GND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VOUT, EN to GND",
          "symbol": "VOUT, EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "to GND",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VOUT to VIN",
          "symbol": "VOUT-VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body model",
          "source_page": 6,
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        },
        {
          "name": "ESD MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine model",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Charged device model",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOT-23-5",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "TA = 25°C, DSTECH EVB board (Note 2)",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "DS8571-18S5 (DSTECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}