OC5820

{
  "schema_version": 1,
  "type": "component",
  "slug": "oc5820",
  "title": "OC5820",
  "brief": "OCX(欧创芯) DC-DC Converters, ESOP-8. 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)",
    "oc5820",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "OC5820",
    "manufacturer": "OCX(欧创芯)",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603202612028055552",
    "parts": {
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      "footprint": "oc5820.kicad_mod",
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      "model_3d_plain": "oc5820-etched.glb",
      "model_3d_step": "oc5820-etched.step",
      "model_3d_step_plain": "oc5820.step",
      "lbr": "oc5820.lbr"
    },
    "distributor_links": {
      "lcsc": "C19711673"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T07:04:33Z",
      "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": "Chip supply input, operating range 6-40V (abs max 45V), with UVLO rising threshold 5.5V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Chip enable pin, rising threshold 1.1V and falling threshold 0.8V; tie to VIN if unused and do not leave floating."
      },
      {
        "number": "3",
        "name": "FS",
        "type": "input",
        "description": "Switching frequency set pin, 140kHz when floating or set by a resistor to ground (450kHz with 470kΩ), recommended max 500kHz."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output feedback voltage pin with 0.82V typical reference (0.8-0.84V), connected to the R1/R2 divider."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin, internally common with pin 6."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin, internally common with pin 5."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "output",
        "description": "Switch output pin to the inductor and Schottky diode, internal 40V/3A power MOSFET, voltage -0.3V to VIN+0.3V."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switch output pin to the inductor and Schottky diode, internal 40V/3A power MOSFET, voltage -0.3V to VIN+0.3V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet shows only a SOP8 package, with no ESOP-8 or exposed pad. The pinout is for SOP8; confirm ",
          "exposed pad 9 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.1912,
        "at": "2026-11-02T07:04:18"
      },
      "datasheet": {
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        "pages": 9,
        "sha256": "b1f4149bcc5f6175",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-11-02",
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        "sha256": "01ed693e662c1530b7b751ab67a7d1057076c05f78eeca0787c3a863cca96b7d",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "OCX(欧创芯)",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b1f4149bcc5f617594fe0ad582e6b5538b55f69b86742d091bfe758610bdd72d",
      "rows": [
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 0.82,
          "max": 0.84,
          "conditions": "6V< VIN < 40V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN, EN pin operating voltage range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW pin operating voltage range",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Printed max is VIN+0.3 V (expression, not a number)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB, FS pin operating voltage range",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN pin sink current",
          "symbol": "IEN_SINK",
          "kind": "absolute_maximum",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SOP8 package maximum power dissipation",
          "symbol": "PSOP8",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "SOP8 package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -45,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature range",
          "symbol": "TSD",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Time less than 30 s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Human body model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.15,
          "max": 0.2,
          "conditions": "VEN = 2V, VFB = 1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Feedback current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VFB = 0.85V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switch leakage current",
          "symbol": "ISW_LKG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VEN = 0V, VSW = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current limit threshold",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4.2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "FS floating",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 450,
          "max": null,
          "conditions": "FS connected to GND through 470kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "VFB = 0.6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum on time",
          "symbol": "τON",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UVLO rising voltage",
          "symbol": "UUVLO_R",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UVLO hysteresis voltage",
          "symbol": "UUVLO_HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 700,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN rising threshold",
          "symbol": "VEN_R",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN falling threshold",
          "symbol": "VEN_F",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN hysteresis threshold",
          "symbol": "VEN_HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN output current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VEN = 2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN shutdown current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "oC",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TSD_HYS",
          "kind": "thermal",
          "unit": "oC",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "info"
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  "discovery_triggers": [
    "oc5820"
  ],
  "discovery_pitch": "OC5820 (OCX(欧创芯)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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