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Ray Set visibility: public 16a17d5 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "rt7300bgs",
  "title": "RT7300BGS",
  "brief": "Richtek Tech AC-DC Controllers & Regulators, SOP-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": [
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    "power supply chip",
    "rt7300bgs",
    "factory-2.0.0",
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  "component": {
    "mpn": "RT7300BGS",
    "manufacturer": "Richtek Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bb33df27f79c4c3a9b93e3469be21d78.pdf",
    "parts": {
      "symbol": "rt7300bgs.kicad_sym",
      "footprint": "rt7300bgs.kicad_mod",
      "model_3d": "rt7300bgs-hero.glb",
      "model_3d_plain": "rt7300bgs-etched.glb",
      "model_3d_step": "rt7300bgs-etched.step",
      "model_3d_step_plain": "rt7300bgs.step",
      "lbr": "rt7300bgs.lbr"
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    "distributor_links": {
      "lcsc": "C3031678"
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    "distributor_check": {
      "checked_at": "2026-10-22T23:00:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 725 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
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        "number": "1",
        "name": "INV",
        "type": "input",
        "description": "Inverting input of the internal error amplifier (1.5V reference) connected to the output voltage divider, also used for OVP (1.65V threshold) and UVP detection."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "output",
        "description": "Output of the internal error amplifier, where a compensation network to GND sets dynamic load performance; maximum COMP voltage is 4.25V min."
      },
      {
        "number": "3",
        "name": "FF",
        "type": "input",
        "description": "Feed-forward input for line voltage sensed via a resistive divider, with a capacitor to filter line ripple and noise."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input where the sense resistor to GND sets the current limit, with a 0.4V typical threshold."
      },
      {
        "number": "5",
        "name": "ZCD",
        "type": "input",
        "description": "Zero current detection input from the PFC choke secondary winding for demagnetization timing, which also enables or disables the controller (disabled below 250mV)."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground of the controller."
      },
      {
        "number": "7",
        "name": "GD",
        "type": "output",
        "description": "Gate driver output for the external power MOSFET, with 600mA source and 800mA sink capability and a 13V typical clamp."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input of 12V to 25V recommended, enabled above 16V typ. and disabled below 9V typ."
      }
    ],
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      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 14,
        "cost_usd": 0.1238,
        "at": "2026-10-22T22:59:53"
      },
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        "pages": 14,
        "sha256": "7a20e186868d2510",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "rt7300bgs.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "rt7300bgs-etched.step",
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        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "1c495340ce0925357b024c9f6d4fdd3582cf1201f20df72a7165e7b8fd897dcd",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "SOP-8",
      "Category": "Power Supply Chip",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7a20e186868d2510e7f6ab9d8400c782da8e838eb5757b59125207c6b9cfe6a2",
      "rows": [
        {
          "name": "VDD OVP Threshold Voltage",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 25.5,
          "typ": 27,
          "max": 28.5,
          "conditions": "VDD = 15V, TA = 25C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDD On Threshold Voltage",
          "symbol": "VON_TH",
          "kind": "electrical",
          "unit": "V",
          "min": 15,
          "typ": 16,
          "max": 17,
          "conditions": "VDD = 15V, TA = 25C",
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          "source": "datasheet"
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        {
          "name": "VDD Off Threshold Voltage",
          "symbol": "VOFF_TH",
          "kind": "electrical",
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          "typ": 9,
          "max": 10,
          "conditions": "VDD = 15V, TA = 25C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Zener Voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 29,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IDD_OP",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "IZCD = 0, and GD open",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "At burst mode, and GD open",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "PFC is disabled",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Start-Up Current",
          "symbol": "IDD_ST",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Before VON_TH",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ZCD Upper Clamp Voltage",
          "symbol": "VZC_DH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 4.8,
          "max": 5.5,
          "conditions": "IZCD = 2.5mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ZCD Lower Clamp Voltage",
          "symbol": "VZC_DL",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.65,
          "max": null,
          "conditions": "IZCD = 2.5mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Delay Time Between Trigger Point and Gate Turn On",
          "symbol": "",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": 170,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "ZCD Sourcing Current Capability",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "ZCD Sinking Current Capability",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "ZCD Disable Voltage",
          "symbol": "VZCD_DIS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ZCD Restart Voltage",
          "symbol": "VZCD_EN",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ZCD Pull-High Current After Disable",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": 30,
          "typ": 75,
          "max": 100,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "FF Input Bias Current",
          "symbol": "IBIAS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Leakage Current of FF Pin",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Non-Inverting Input Reference",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.47,
          "typ": 1.5,
          "max": 1.53,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "INV Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Transconduction",
          "symbol": "gm",
          "kind": "electrical",
          "unit": "µA/V",
          "min": 80,
          "typ": 100,
          "max": 120,
          "conditions": "|VERROR| < 0.25V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "COMP Maximum Voltage",
          "symbol": "VCOMP_OP",
          "kind": "electrical",
          "unit": "V",
          "min": 4.25,
          "typ": null,
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          "source": "datasheet"
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        {
          "name": "INV OVP Threshold Voltage",
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          "typ": 1.65,
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        {
          "name": "Burst Mode Entry Level High",
          "symbol": "VBURST_H",
          "kind": "electrical",
          "unit": "V",
          "min": 1.85,
          "typ": 2.15,
          "max": 2.45,
          "conditions": "Measure at COMP Pin",
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        },
        {
          "name": "Burst Mode Entry Level Low",
          "symbol": "VBURST_L",
          "kind": "electrical",
          "unit": "V",
          "min": 1.75,
          "typ": 2.05,
          "max": 2.35,
          "conditions": "Measure at COMP Pin",
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          "source": "datasheet"
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        {
          "name": "De-bounce Time of Burst Mode",
          "symbol": "",
          "kind": "electrical",
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          "typ": 2,
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        {
          "name": "Minimum On-Time",
          "symbol": "tON(MIN)_PFC",
          "kind": "electrical",
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          "min": 4.4,
          "typ": 5.4,
          "max": 6.4,
          "conditions": "= 3pF x 2.5V / (IZCD x 0.02), IZCD = 75µA",
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        {
          "name": "Leading Edge Blanking Time",
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          "conditions": "LEB + Delay (Note 6)",
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        {
          "name": "Current Sense Threshold Voltage",
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        {
          "name": "Gate Driver Rising Time",
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          "conditions": "CL = 1nF",
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        {
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        {
          "name": "Valley Mask Time",
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          "name": "Duration of Starter",
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        {
          "name": "Supply Voltage",
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        {
          "name": "Gate Driver Output",
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        {
          "name": "Other Pins",
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          "name": "Power Dissipation",
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          "conditions": "SOP-8, TA = 25°C",
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          "name": "Junction Temperature",
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          "name": "Lead Temperature",
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        {
          "name": "Storage Temperature Range",
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          "name": "ESD Susceptibility HBM",
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        {
          "name": "Supply Voltage",
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        {
          "name": "Package Thermal Resistance, Junction to Ambient",
          "symbol": "θJA",
          "kind": "thermal",
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          "max": null,
          "conditions": "SOP-8, JEDEC 51-3 single-layer test board, TA = 25°C",
          "source_page": 7,
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        },
        {
          "name": "VDD OVP De-bounce Time",
          "symbol": "",
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        },
        {
          "name": "ZCD Arming Voltage",
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