AP3776BMTR-G1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ap3776bmtr-g1",
  "title": "AP3776BMTR-G1",
  "brief": "Diodes Incorporated 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": [
    "component",
    "power management ics",
    "ap3776bmtr-g1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AP3776BMTR-G1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP3776BMTR-G1.pdf",
    "parts": {
      "symbol": "ap3776bmtr-g1.kicad_sym",
      "footprint": "ap3776bmtr-g1.kicad_mod",
      "model_3d": "ap3776bmtr-g1-hero.glb",
      "model_3d_plain": "ap3776bmtr-g1-etched.glb",
      "model_3d_step": "ap3776bmtr-g1-etched.step",
      "model_3d_step_plain": "ap3776bmtr-g1.step",
      "lbr": "ap3776bmtr-g1.lbr"
    },
    "distributor_links": {
      "lcsc": "C559577",
      "digikey": "AP3776BMTR-G1DITR-ND",
      "mouser": "621-AP3776BMTR-G1"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:13:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AP3776BMTR-G1DITR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "621-AP3776BMTR-G1",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IS",
        "type": "input",
        "description": "Primary current sensing pin; connected with the EM pin through the internal startup switch, and its voltage is limited to -0.3 to 7 V."
      },
      {
        "number": "2",
        "name": "EM",
        "type": "passive",
        "description": "Connected to the source of the external power MOSFET; the voltage is kept below 1 V in normal operation and is rated -0.3 to 23 V."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin with a startup threshold of 13 V typ (11 to 14 V), minimal operating voltage of 6.1 V typ, and an absolute maximum of 28 V."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "output",
        "description": "Drives the base of the external power MOSFET (gate clamp 14 to 16 V, source current 67 mA typ, sink current 500 mA typ), rated -0.3 to 23 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, reference for all voltage ratings."
      },
      {
        "number": "6",
        "name": "VCS",
        "type": "input",
        "description": "Current sensing voltage pin with a 450 mV typ (425 to 465 mV) current sense threshold, rated -0.3 to 7 V."
      },
      {
        "number": "7",
        "name": "CPC",
        "type": "passive",
        "description": "Connects a capacitor for output cable compensation, with voltage rated -0.3 to 7 V."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input from the auxiliary winding divider with a 3.7 V typ threshold, 0.7 MΩ typ input resistance, and a rated input of -40 to 10 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: EM and CPC types are inferred (passive) because the datasheet gives only functional descriptions, no"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1264,
        "at": "2026-10-27T01:13:13"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP3776BMTR-G1.pdf",
        "pages": 17,
        "sha256": "7942b1b87d81a450",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "ap3776bmtr-g1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap3776bmtr-g1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "614d9b1b5bd270504545d6d9bec1e3019144622472c31b73cd7001d5bb8cb581",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOP-8",
      "Category": "Power Management ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7942b1b87d81a450982cf4c8f42416c35794ec286b3b7d377708ef1e9b8487d4",
      "rows": [
        {
          "name": "Startup Threshold",
          "symbol": "VTH(ST)",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 13,
          "max": 14,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimal Operating Voltage",
          "symbol": "VOPR(Min)",
          "kind": "electrical",
          "unit": "V",
          "min": 5.3,
          "typ": 6.1,
          "max": 7,
          "conditions": "After turning on",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Startup Current",
          "symbol": "IST",
          "kind": "electrical",
          "unit": "µA",
          "min": 0,
          "typ": 0.2,
          "max": 0.6,
          "conditions": "VCC = VTH(ST)-1V, Before turning on",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby Mode Quiescent Current",
          "symbol": "ICC(STB)",
          "kind": "electrical",
          "unit": "µA",
          "min": 60,
          "typ": 100,
          "max": 130,
          "conditions": "No load at OUT pin, Standby Mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Normal Mode Quiescent Current",
          "symbol": "ICC(QST)",
          "kind": "electrical",
          "unit": "µA",
          "min": 160,
          "typ": 280,
          "max": 330,
          "conditions": "No load at OUT pin, Normal Mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Sense Threshold",
          "symbol": "VCS",
          "kind": "electrical",
          "unit": "mV",
          "min": 425,
          "typ": 450,
          "max": 465,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Leading Edge Blanking",
          "symbol": "tLEB",
          "kind": "electrical",
          "unit": "ns",
          "min": 300,
          "typ": 500,
          "max": 700,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Resistance of FB Pin",
          "symbol": "RFB",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 0.5,
          "typ": 0.7,
          "max": 0.9,
          "conditions": "VFB = 4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback Threshold Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 3.64,
          "typ": 3.7,
          "max": 3.76,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Compensation Transconductance",
          "symbol": "gm",
          "kind": "electrical",
          "unit": "µS",
          "min": 0.55,
          "typ": 0.7,
          "max": 0.85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Cable Compensation Voltage",
          "symbol": "VFB_CABLE/VFB",
          "kind": "electrical",
          "unit": "%",
          "min": 2,
          "typ": 3,
          "max": 4,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gate Clamp Voltage",
          "symbol": "VGATE_CLAMP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 14,
          "max": 16,
          "conditions": "VCC = 20V, CL = 1nF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Source Current",
          "symbol": "ISOURCE",
          "kind": "electrical",
          "unit": "mA",
          "min": 55,
          "typ": 67,
          "max": 80,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sink Current",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "mA",
          "min": 400,
          "typ": 500,
          "max": 600,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Off Time",
          "symbol": "tOFF(MAX)",
          "kind": "electrical",
          "unit": "ms",
          "min": 15,
          "typ": 19,
          "max": 30,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Delay Time for Dynamic Function",
          "symbol": "tD",
          "kind": "electrical",
          "unit": "µs",
          "min": 100,
          "typ": 140,
          "max": 220,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Trigger Voltage for Dynamic Function",
          "symbol": "VTRIGGER",
          "kind": "electrical",
          "unit": "mV",
          "min": 60,
          "typ": 100,
          "max": 120,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum On-Time of Primary Side",
          "symbol": "tonp(MAX)",
          "kind": "electrical",
          "unit": "µs",
          "min": 16,
          "typ": 25,
          "max": 40,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage Protection",
          "symbol": "VFB(OVP)",
          "kind": "electrical",
          "unit": "V",
          "min": 6.5,
          "typ": 7.5,
          "max": 8.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Protection",
          "symbol": "VFB(SCP)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.38,
          "typ": 2.5,
          "max": 2.62,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature Protection",
          "symbol": "",
          "kind": "electrical",
          "unit": "ºC",
          "min": 110,
          "typ": 130,
          "max": 150,
          "conditions": "Junction Temperature",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "ºC",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage at VCC to GND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage at OUT, EM to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 23,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage at IS, VCS, CPC to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB Input",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10 Sec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6000,
          "conditions": "Human Body Model",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged Device Model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2500,
          "conditions": "Charged Device Model",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD Machine Model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "ºC/W",
          "min": null,
          "typ": 190,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Ordering information",
          "source_page": 14,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ap3776bmtr-g1"
  ],
  "discovery_pitch": "AP3776BMTR-G1 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ap3776bmtr-g1.kicad_sym",
    "ap3776bmtr-g1.kicad_mod",
    "ap3776bmtr-g1.glb",
    "ap3776bmtr-g1.step",
    "ap3776bmtr-g1.lbr",
    "docs/hero.png",
    "docs/ap3776bmtr-g1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ap3776bmtr-g1-hero.glb",
    "ap3776bmtr-g1-hero.overlay.json",
    "ap3776bmtr-g1-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}