ea3058qdr

{
  "slug": "ea3058qdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Everanalog IC design DC-DC Converters, QFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "pmic",
    "ea3058qdr"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ea3058qdr.kicad_sym",
    "ea3058qdr.kicad_mod",
    "ea3058qdr.glb",
    "ea3058qdr.step",
    "ea3058qdr.lbr",
    "docs/hero.png",
    "docs/ea3058qdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ea3058qdr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "EA3058QDR",
    "manufacturer": "Everanalog IC design",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "DC-DC Converters",
    "parts": {
      "symbol": "ea3058qdr.kicad_sym",
      "footprint": "ea3058qdr.kicad_mod",
      "model_3d": "ea3058qdr-etched.glb",
      "model_3d_plain": "ea3058qdr.glb",
      "model_3d_step": "ea3058qdr-etched.step",
      "model_3d_step_plain": "ea3058qdr.step",
      "lbr": "ea3058qdr.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND3",
        "type": "power_in",
        "description": "Power ground pin of CH3. Return path for CH3 buck regulator low-side MOSFET; connect directly to ground plane."
      },
      {
        "number": "2",
        "name": "FB3",
        "type": "input",
        "description": "Feedback input of CH3. Connect to CH3 output voltage via a resistor divider (VOUT = 0.6 × R1/R2 + 0.6V); reference voltage is 0.6V typical."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin for the internal control circuit. Operating range 2.7V to 5.5V; typically bypassed with a 0.1uF ceramic capacitor to AGND."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin. Connect directly to the internal ground layer via a dedicated via for a clean reference."
      },
      {
        "number": "5",
        "name": "FB2",
        "type": "input",
        "description": "Feedback input of CH2. Connect to CH2 output voltage via a resistor divider (VOUT = 0.6 × R1/R2 + 0.6V); reference voltage is 0.6V typical."
      },
      {
        "number": "6",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground pin of CH2. Return path for CH2 buck regulator low-side MOSFET; connect directly to ground plane."
      },
      {
        "number": "7",
        "name": "LX2",
        "type": "output",
        "description": "Internal MOSFET switching output of CH2. Connect to the LC low-pass filter (inductor + output capacitor) to obtain a stable DC output voltage; high dV/dt node."
      },
      {
        "number": "8",
        "name": "VIN2",
        "type": "power_in",
        "description": "Power input pin of CH2 buck converter (2.7V to 5.5V). Recommended to place a 10uF MLCC capacitor between VIN2 and PGND2."
      },
      {
        "number": "9",
        "name": "EN2",
        "type": "input",
        "description": "CH2 turn on/off control input. Do not leave floating; VIH ≥ 2V, VIL ≤ 0.4V. Can be RC-delayed for programmable soft-start timing."
      },
      {
        "number": "10",
        "name": "EN1",
        "type": "input",
        "description": "CH1 turn on/off control input. Do not leave floating; VIH ≥ 2V, VIL ≤ 0.4V. Can be RC-delayed for programmable soft-start timing."
      },
      {
        "number": "11",
        "name": "VIN1",
        "type": "power_in",
        "description": "Power input pin of CH1 buck converter (2.7V to 5.5V). Recommended to place a 10uF MLCC capacitor between VIN1 and PGND1."
      },
      {
        "number": "12",
        "name": "LX1",
        "type": "output",
        "description": "Internal MOSFET switching output of CH1. Connect to the LC low-pass filter (inductor + output capacitor) to obtain a stable DC output voltage; high dV/dt node."
      },
      {
        "number": "13",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground pin of CH1. Return path for CH1 buck regulator low-side MOSFET; connect directly to ground plane."
      },
      {
        "number": "14",
        "name": "FB1",
        "type": "input",
        "description": "Feedback input of CH1. Connect to CH1 output voltage via a resistor divider (VOUT = 0.6 × R1/R2 + 0.6V); reference voltage is 0.6V typical."
      },
      {
        "number": "15",
        "name": "FB4",
        "type": "input",
        "description": "Feedback input of CH4. Connect to CH4 output voltage via a resistor divider (VOUT = 0.6 × R1/R2 + 0.6V); reference voltage is 0.6V typical."
      },
      {
        "number": "16",
        "name": "PGND4",
        "type": "power_in",
        "description": "Power ground pin of CH4. Return path for CH4 buck regulator low-side MOSFET; connect directly to ground plane."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to ground per PCB layout convenience."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to ground per PCB layout convenience."
      },
      {
        "number": "19",
        "name": "LX4",
        "type": "output",
        "description": "Internal MOSFET switching output of CH4. Connect to the LC low-pass filter (inductor + output capacitor) to obtain a stable DC output voltage; high dV/dt node."
      },
      {
        "number": "20",
        "name": "VIN4",
        "type": "power_in",
        "description": "Power input pin of CH4 buck converter (2.7V to 5.5V). Recommended to place a 10uF MLCC capacitor between VIN4 and PGND4."
      },
      {
        "number": "21",
        "name": "EN4",
        "type": "input",
        "description": "CH4 turn on/off control input. Do not leave floating; VIH ≥ 2V, VIL ≤ 0.4V. Can be RC-delayed for programmable soft-start timing."
      },
      {
        "number": "22",
        "name": "EN3",
        "type": "input",
        "description": "CH3 turn on/off control input. Do not leave floating; VIH ≥ 2V, VIL ≤ 0.4V. Can be RC-delayed for programmable soft-start timing."
      },
      {
        "number": "23",
        "name": "VIN3",
        "type": "power_in",
        "description": "Power input pin of CH3 buck converter (2.7V to 5.5V). Recommended to place a 10uF MLCC capacitor between VIN3 and PGND3."
      },
      {
        "number": "24",
        "name": "LX3",
        "type": "output",
        "description": "Internal MOSFET switching output of CH3. Connect to the LC low-pass filter (inductor + output capacitor) to obtain a stable DC output voltage; high dV/dt node."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad. Must be soldered to a large PCB copper plane and connected to GND for appropriate heat dissipation."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C575412",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:57:09Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "ea3058qdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ea3058qdr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1084473bc4ee18282f51136dc2ecdc16712c1c9b2c54e70f9b02c156fc7932e6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}