main
Ray Set visibility: public 1a704e5 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "rt8290zsp",
  "title": "RT8290ZSP",
  "brief": "Richtek Tech DC-DC Converters, SOP-8-EP. 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)",
    "rt8290zsp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "RT8290ZSP",
    "manufacturer": "Richtek Tech",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8601071931634700288",
    "parts": {
      "symbol": "rt8290zsp.kicad_sym",
      "footprint": "rt8290zsp.kicad_mod",
      "model_3d": "rt8290zsp-hero.glb",
      "model_3d_plain": "rt8290zsp-etched.glb",
      "model_3d_step": "rt8290zsp-etched.step",
      "model_3d_step_plain": "rt8290zsp.step",
      "lbr": "rt8290zsp.lbr"
    },
    "distributor_links": {
      "lcsc": "C6461050",
      "digikey": "1028-1149-2-ND",
      "mouser": "835-RT8290ZSP"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:06:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1028-1149-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT8290ZSP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "power_out",
        "description": "Bootstrap supply for the high-side gate driver; connect a 10nF or greater ceramic capacitor from BOOT to SW."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Voltage supply input with a range of 4.5V to 23V; a suitably large capacitor must be bypassed with this pin."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switching node; connect the output LC filter between SW and the output load."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connect to the exposed pad and a large PCB ground for maximum power dissipation."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input with a 0.925V typical reference (0.911V to 0.939V over 4.5V to 23V VIN)."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Loop compensation node; a series RC network is required from COMP to GND, with an optional additional capacitor from COMP to GND."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input: logic high enables the converter, logic low forces shutdown with supply current below 3µA; tie to VIN through a 100k pull-up for automatic startup."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control; a capacitor from SS to GND sets the soft-start period, with 0.1µF giving 15.5ms typical."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad that must be soldered to a large PCB and connected to GND for maximum power dissipation."
      }
    ],
    "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: Pin 9 is the exposed thermal pad (printed as '4, 9 (Exposed Pad)' for GND); it is listed as a separa; Pin types for BOOT (power_out), COMP (passive) and SS (passive) are inferred from their described fu; The datasheet's EN description prints the shutdown current as '3A'; the Electrical Characteristics a"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0582,
        "at": "2026-10-21T01:02:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8601071931634700288",
        "pages": 12,
        "sha256": "86e7690908efc448",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt8290zsp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt8290zsp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "00efb13f46d2d40e017106d7e97dfbb477783b5a3886194db9a40cc1a5f92750",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "SOP-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "86e7690908efc4483b7bce86a126ede3a21fb37dfedf41606b02b7990f041521",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Voltage",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as (VIN + 0.3V)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW (AC) 30ns",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": 30,
          "conditions": "30ns",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "The Other Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.333,
          "conditions": "TA = 25°C, SOP-8 (Exposed Pad)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering, 10 sec",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 23,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Voltage",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "TA = 25°C, four-layer JEDEC 51-7 board",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to Case Thermal Resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "measured at exposed pad",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.3,
          "max": 3,
          "conditions": "VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": 1.2,
          "conditions": "VEN = 3V, VFB = 1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.911,
          "typ": 0.925,
          "max": 0.939,
          "conditions": "4.5V ≤ VIN ≤ 23V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High Side Switch Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0,
          "max": 10,
          "conditions": "VEN = 0V, VSW = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillation Frequency",
          "symbol": "fOSC1",
          "kind": "electrical",
          "unit": "kHz",
          "min": 300,
          "typ": 340,
          "max": 380,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input Threshold Logic-High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input Threshold Logic-Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Under Voltage Lockout Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": 4.2,
          "max": 4.5,
          "conditions": "VIN Rising",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "RT8290ZSP (Richtek Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}