IP2736U_EF

{
  "schema_version": 1,
  "type": "component",
  "slug": "ip2736u-ef",
  "title": "IP2736U_EF",
  "brief": "INJOINIC USB PD, QFN-24-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "ip2736u_ef"
  ],
  "component": {
    "mpn": "IP2736U_EF",
    "manufacturer": "INJOINIC",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "USB PD",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fa546fa55e17fb06f11f04b1719b76c3.pdf",
    "parts": {
      "symbol": "ip2736u-ef.kicad_sym",
      "footprint": "ip2736u-ef.kicad_mod",
      "model_3d": "ip2736u-ef-etched.glb",
      "model_3d_plain": "ip2736u-ef.glb",
      "model_3d_step": "ip2736u-ef-etched.step",
      "model_3d_step_plain": "ip2736u-ef.step",
      "lbr": "ip2736u-ef.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal LDO power output rail. Requires a 2.2uF external bypass capacitor to GND."
      },
      {
        "number": "2",
        "name": "CMPV",
        "type": "passive",
        "description": "Optocoupler feedback loop voltage compensation node. Connects to the RC compensation network for the voltage loop."
      },
      {
        "number": "3",
        "name": "CMPI/SDA",
        "type": "bidirectional",
        "description": "Muxed pin: optocoupler feedback loop current compensation node, or I2C bus data (SDA). Function depends on selected control mode."
      },
      {
        "number": "4",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C bus clock. Can be reconfigured as general-purpose I/O GPIO3."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "output",
        "description": "Feedback loop drive output. Drives the external optocoupler / PWM controller feedback network for regulating output voltage."
      },
      {
        "number": "6",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose I/O 1. Configurable as ADC input."
      },
      {
        "number": "7",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose I/O 0. Configurable as ADC input."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating."
      },
      {
        "number": "10",
        "name": "CSN",
        "type": "input",
        "description": "Low-side current-sense negative input. Connects to the ground-side terminal of the current-sense resistor (typically ~5 mOhm)."
      },
      {
        "number": "11",
        "name": "CSP",
        "type": "input",
        "description": "Low-side current-sense positive input. Connects to the high-side terminal of the current-sense resistor for output current measurement."
      },
      {
        "number": "12",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "General-purpose I/O 11."
      },
      {
        "number": "13",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "General-purpose I/O 10."
      },
      {
        "number": "14",
        "name": "CC2",
        "type": "bidirectional",
        "description": "USB Type-C Configuration Channel 2. Used for Type-C cable orientation, attach detection, and PD BMC communication. 20V high-voltage tolerant."
      },
      {
        "number": "15",
        "name": "DP",
        "type": "bidirectional",
        "description": "USB D+ data line. Used for BC1.2/QC/AFC/FCP/SCP protocol handshakes. Configurable as UART_TX, UART_RX, or GPIO. 20V high-voltage tolerant."
      },
      {
        "number": "16",
        "name": "DM",
        "type": "bidirectional",
        "description": "USB D- data line. Used for BC1.2/QC/AFC/FCP/SCP protocol handshakes. Configurable as UART_TX, UART_RX, or GPIO. 20V high-voltage tolerant."
      },
      {
        "number": "17",
        "name": "CC1",
        "type": "bidirectional",
        "description": "USB Type-C Configuration Channel 1. Used for Type-C cable orientation, attach detection, and PD BMC communication. 20V high-voltage tolerant."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the IC."
      },
      {
        "number": "19",
        "name": "NTC",
        "type": "input",
        "description": "Temperature ADC input for NTC thermistor (recommended 10kOhm, B=3380K). Configurable internal pull-up current source; can be reused as general-purpose I/O."
      },
      {
        "number": "20",
        "name": "VOUT2",
        "type": "input",
        "description": "Power-path 2 output voltage detection pin. Senses the output rail on the second power path."
      },
      {
        "number": "21",
        "name": "VOUT2G",
        "type": "output",
        "description": "Power-path 2 external NMOS gate driver. Controls the second power-path pass NMOS (Vds >= 30V recommended)."
      },
      {
        "number": "22",
        "name": "VOUT1",
        "type": "input",
        "description": "Power-path 1 output voltage detection pin. Senses the output rail on the first power path."
      },
      {
        "number": "23",
        "name": "VOUT1G",
        "type": "output",
        "description": "Power-path 1 external NMOS gate driver. Controls the first power-path pass NMOS (Vds >= 30V recommended)."
      },
      {
        "number": "24",
        "name": "VIN",
        "type": "power_in",
        "description": "Main chip power input from the adapter/converter output (typically 3.3V-5V from LDO for EPR28V modes, or from VBUS via drop)."
      },
      {
        "number": "25",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed thermal pad on package bottom. Must be soldered to the PCB ground plane for electrical ground and thermal dissipation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fa546fa55e17fb06f11f04b1719b76c3.pdf",
        "pages": 20,
        "sha256": "96dad82baf2d1887",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ip2736u-ef.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ip2736u-ef-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e2abcb1ccd0f78cf612d5c4de0bbc653c064fb99ae3bbb7126bc37094f171c0b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "INJOINIC",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Power Management (PMIC)",
      "Pins": "25"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ip2736u_ef"
  ],
  "discovery_pitch": "IP2736U_EF (INJOINIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ip2736u-ef.kicad_sym",
    "ip2736u-ef.kicad_mod",
    "ip2736u-ef.glb",
    "ip2736u-ef.step",
    "ip2736u-ef.lbr",
    "docs/hero.png",
    "docs/ip2736u-ef-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T22:46:26.964Z"
}