PAM8019KGR

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  "slug": "pam8019kgr",
  "title": "PAM8019KGR",
  "brief": "Diodes Incorporated Global Sourcing Parts, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "PAM8019KGR",
    "manufacturer": "Diodes Incorporated",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913960350965760",
    "parts": {
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      "lbr": "pam8019kgr.lbr"
    },
    "distributor_links": {
      "lcsc": "C507850"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:05:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "ROUTN",
        "type": "output",
        "description": "Right-channel class-D power amplifier output, which the datasheet describes as the positive output (label and description conflict with pin 19; see review)."
      },
      {
        "number": "2",
        "name": "HPROUT",
        "type": "output",
        "description": "Headphone right-channel output of the Class AB headphone amplifier, used when HP/SPK is high."
      },
      {
        "number": "3",
        "name": "SD",
        "type": "input",
        "description": "Full-chip shutdown control input, active low, with an internal pullup so it may be left floating; VIH min 1.4 V and VIL max 0.6 V."
      },
      {
        "number": "4",
        "name": "Bypass",
        "type": "passive",
        "description": "Bias voltage for the power amplifier; a ceramic bypass capacitor of 0.47 µF to 1.0 µF is recommended, and its value sets the startup rate."
      },
      {
        "number": "5",
        "name": "RIN",
        "type": "input",
        "description": "Negative (inverting) input of the right-channel power amplifier."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "7",
        "name": "LIN",
        "type": "input",
        "description": "Negative (inverting) input of the left-channel power amplifier."
      },
      {
        "number": "8",
        "name": "Volume",
        "type": "input",
        "description": "Internal gain setting input; connect to VDD to set the maximum gain to +20 dB."
      },
      {
        "number": "9",
        "name": "Mute",
        "type": "input",
        "description": "Mute control input, active high: logic high disables the class-D outputs and logic low enables them; VIH min 1.4 V, VIL max 0.6 V, with internal pulldown so it may be left floating."
      },
      {
        "number": "10",
        "name": "HP/SPK",
        "type": "input",
        "description": "Output mode control input: high selects headphone mode and low selects speaker mode; high threshold 0.8 x VDD to VDD, low threshold 0 to 1.0 V."
      },
      {
        "number": "11",
        "name": "PL",
        "type": "passive",
        "description": "Power limit reference voltage for the non-clip power limit (NCPL) function, set through the resistor network described in the application information; NCPL is disabled when PL is floating."
      },
      {
        "number": "12",
        "name": "UVP",
        "type": "input",
        "description": "Undervoltage protection input with a 1.2 V shutdown threshold, set externally by a resistor divider that also sets hysteresis."
      },
      {
        "number": "13",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, 2.8 V to 5.5 V."
      },
      {
        "number": "14",
        "name": "HPLOUT",
        "type": "output",
        "description": "Headphone left-channel output of the Class AB headphone amplifier, used when HP/SPK is high."
      },
      {
        "number": "15",
        "name": "LOUTN",
        "type": "output",
        "description": "Left-channel class-D power amplifier negative output."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, 2.8 V to 5.5 V."
      },
      {
        "number": "17",
        "name": "LOUTP",
        "type": "output",
        "description": "Left-channel class-D power amplifier positive output."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "19",
        "name": "ROUTP",
        "type": "output",
        "description": "Right-channel class-D power amplifier output, which the datasheet describes as the negative output (label and description conflict with pin 1; see review)."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, 2.8 V to 5.5 V."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
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        "at": "2026-10-17T23:04:07"
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  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "QFN-20-EP(4x4)",
      "Category": "Global Sourcing Parts",
      "Pins": "21"
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    "email": "[email protected]"
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