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Ray Set visibility: public 353669a 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "gr8875nrkag",
  "title": "GR8875NRKAG",
  "brief": "Grenergy DC-DC Converters, SOP-7. 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 supply chip",
    "gr8875nrkag",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GR8875NRKAG",
    "manufacturer": "Grenergy",
    "package": "SOP-7",
    "pin_count": 7,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884953912250368",
    "parts": {
      "symbol": "gr8875nrkag.kicad_sym",
      "footprint": "gr8875nrkag.kicad_mod",
      "model_3d": "gr8875nrkag-hero.glb",
      "model_3d_plain": "gr8875nrkag-etched.glb",
      "model_3d_step": "gr8875nrkag-etched.step",
      "model_3d_step_plain": "gr8875nrkag.step",
      "lbr": "gr8875nrkag.lbr"
    },
    "distributor_links": {
      "lcsc": "C436832"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:26:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RTL",
        "type": "input",
        "description": "Latch trigger pin: a voltage above 3.5V latches off for OVP and below 1.05V latches off for OTP, after a 100 uS debounce, with an output current of 92-108 uA and a clamped voltage of 2.2V."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "input",
        "description": "Voltage feedback pin, connected to a photo-coupler to control the duty cycle; open-loop voltage is 4.5V typical and open-loop protection is delayed by 50 mS."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin that senses MOSFET current, with current limit of 0.80-0.90V at low line and 0.7V at high line and 250 nS leading-edge blanking."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Gate driver output for driving the external MOSFET, with output high of 8V typical, output low of 1V typical at 20 mA, and gate clamp of 11-15V at VCC = 25V."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin with UVLO on at 16-18V and off at 8-10V, OVP threshold of 27-29V, and an absolute maximum rating of 30V."
      },
      {
        "number": "8",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage pin that provides the startup current (absolute maximum 500V) and turns off its startup loop once UVLO (on) is tripped to limit startup power loss."
      }
    ],
    "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 SOP-7 drawing shows only seven labeled leads (RTL, COMP, CS, HV, VCC, OUT, GND) on the same 1-8 ; The page 2 pin table with explicit numbers is written for the SOP-8 package (which includes NC on pi; Pin types (input, power_in, output) were assigned by me using KiCad classes. The datasheet does not "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0492,
        "at": "2026-10-19T07:26:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884953912250368",
        "pages": 13,
        "sha256": "098d9713992dcd77",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gr8875nrkag.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4c9435ffd3683a4ae45655e397c25900eda4f6782a526780f4f7b7b99a32dca7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gr8875nrkag-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "820504720144355ac4029a8fbb3db3ee8c71cded212983106c59d1c8651640d7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Grenergy",
      "Package": "SOP-7",
      "Category": "Power Supply Chip",
      "Pins": "7"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "098d9713992dcd77d7083d5381ccae53f40be26c64bb988d819e5479a5c8a3c3",
      "rows": [
        {
          "name": "Brownout Threshold (see below equation 1)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 92,
          "typ": 102,
          "max": 112,
          "conditions": "DC source R=125KΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Brownin Threshold (see below equation 2)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 104,
          "typ": 114,
          "max": 124,
          "conditions": "DC source R=125KΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Startup Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO (off)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": 9,
          "max": 10,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO (on)",
          "symbol": "",
          "kind": "electrical",
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          "min": 16,
          "typ": 17,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OVP on VCC Pin",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 27,
          "typ": 28,
          "max": 29,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit @ Low Line (Vac=86V) VDC=122 Series RHV=125k to HV",
          "symbol": "Vcs-H",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 0.85,
          "max": 0.9,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Normal PWM Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "KHz",
          "min": 60,
          "typ": 65,
          "max": 70,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Jitter Range",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output High Level",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "VCC = 15V, IO = 20mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Low Level",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VCC = 15V, IO = 20mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VGATE-Clamp",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 13,
          "max": 15,
          "conditions": "VCC = 25V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 70,
          "typ": 75,
          "max": 80,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Over Voltage Protection Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.2,
          "typ": 3.5,
          "max": 3.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Over Temperature Protection Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.95,
          "typ": 1.05,
          "max": 1.15,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current from RTL Pin",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": 92,
          "typ": 100,
          "max": 108,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute maximum Supply Voltage VCC",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Voltage Pin, HV",
          "symbol": "HV",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "COMP, RTL, CS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (SOP-7/SOP-8)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Ambient Temperature = 85℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (SOP-7/SOP-8, soldering, 10sec)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 230,
          "conditions": "10 sec soldering",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (All Pb free packages, soldering, 10sec)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec soldering",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Voltage Protection, Human Body Model (except HV pin)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Voltage Protection, Machine Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance (SOP-7/SOP-8)",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Off-State Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 36,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-Voltage Current Source (VDC=370, R=125k, Vcc=0V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.96,
          "typ": null,
          "max": 4,
          "conditions": "VDC=370, R=125k, Vcc=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PWM Turn-Off Debounce Time - Normal Operation",
          "symbol": "",
          "kind": "timing",
          "unit": "mS",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Current (with 1nF load on OUT pin), Vcomp = 0V",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "1nF load on OUT pin, Vcomp = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Current (with 1nF load on OUT pin), Vcomp = 2.5V",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": null,
          "conditions": "1nF load on OUT pin, Vcomp = 2.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Current (with 1nF load on OUT pin), Protection Tripped (OLP, OVP)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "1nF load on OUT pin, protection tripped (OLP, OVP)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Open Loop Voltage, Comp Pin Open",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "Comp pin open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Delay Time of Comp Pin Open Loop Protection",
          "symbol": "",
          "kind": "timing",
          "unit": "mS",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current limit @ High Line (Vac=259V) VDC=366 Series RHV=125k to HV",
          "symbol": "Vcs-L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "Vac=259V, VDC=366, RHV=125k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Leading-Edge Blanking Time without Tpd",
          "symbol": "",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "without Tpd",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Impedance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Delay to Output",
          "symbol": "",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Green Mode Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temp. Stability",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "-40°C ~ 105°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Stability",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCC = 11V ~ 25V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Rising Time",
          "symbol": "",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "Load Capacitance = 1000pF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Falling Time",
          "symbol": "",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Load Capacitance = 1000pF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time (Freq=65kHz)",
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