VA2101CSG9

{
  "slug": "va2101csg9",
  "version": "0.1.0",
  "type": "component",
  "description": "VIVA(昱盛) Audio Amplifiers, WLCSP-9. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "va2101csg9.step",
    "va2101csg9.lbr",
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    "docs/va2101csg9-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "va2101csg9-hero.glb",
    "va2101csg9-hero.overlay.json",
    "va2101csg9-etched.glb"
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  "component": {
    "mpn": "VA2101CSG9",
    "manufacturer": "VIVA(昱盛)",
    "package": "WLCSP-9",
    "pin_count": 9,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602767272217747456",
    "parts": {
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      "footprint": "va2101csg9.kicad_mod",
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      "model_3d_plain": "va2101csg9-etched.glb",
      "model_3d_step": "va2101csg9-etched.step",
      "model_3d_step_plain": "va2101csg9.step",
      "lbr": "va2101csg9.lbr"
    },
    "distributor_links": {
      "lcsc": "C19673790"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:13:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "A1",
        "name": "INP",
        "type": "input",
        "description": "Positive audio signal input of the differential pair; the datasheet limits its input voltage to 0 to VDD."
      },
      {
        "number": "C1",
        "name": "INN",
        "type": "input",
        "description": "Negative audio signal input of the differential pair; the datasheet limits its input voltage to 0 to VDD."
      },
      {
        "number": "C2",
        "name": "SD_B",
        "type": "input",
        "description": "Active-low shutdown control; it should be held high during normal operation, and pulling it low or leaving it floating mutes the outputs and puts the amplifier in its low-current state."
      },
      {
        "number": "C3",
        "name": "OUTP",
        "type": "output",
        "description": "Positive BTL (bridge-tied load) output, which drives the speaker together with OUTN."
      },
      {
        "number": "A3",
        "name": "OUTN",
        "type": "output",
        "description": "Negative BTL (bridge-tied load) output, which drives the speaker together with OUTP."
      },
      {
        "number": "B1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin; the supply range is 2.8 V to 5.5 V and this pin is one of two VDD balls that must be decoupled close to the package."
      },
      {
        "number": "B2",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin; the supply range is 2.8 V to 5.5 V and this pin is one of two VDD balls that must be decoupled close to the package."
      },
      {
        "number": "A2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for the amplifier output stage and supply return."
      },
      {
        "number": "B3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for the amplifier output stage and supply return."
      }
    ],
    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        ],
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        "at": "2026-10-18T18:13:33"
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        "pages": 15,
        "sha256": "fe1091f67289e19f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "checked": "2026-10-18",
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        "checked": "2026-10-18",
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}