NSP171A

{
  "slug": "nsp171a",
  "version": "0.1.0",
  "type": "component",
  "description": "Nuvoton Tech Audio Interface ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "nsp171a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "nsp171a.kicad_sym",
    "nsp171a.kicad_mod",
    "nsp171a.glb",
    "nsp171a.step",
    "nsp171a.lbr",
    "docs/hero.png",
    "docs/nsp171a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "nsp171a-hero.glb",
    "nsp171a-hero.overlay.json",
    "nsp171a-etched.glb"
  ],
  "component": {
    "mpn": "NSP171A",
    "manufacturer": "Nuvoton Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Audio Interface ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b315a25dd50925b4ba191c34a00040fc.pdf",
    "parts": {
      "symbol": "nsp171a.kicad_sym",
      "footprint": "nsp171a.kicad_mod",
      "model_3d": "nsp171a-hero.glb",
      "model_3d_plain": "nsp171a-etched.glb",
      "model_3d_step": "nsp171a-etched.step",
      "model_3d_step_plain": "nsp171a.step",
      "lbr": "nsp171a.lbr"
    },
    "distributor_links": {
      "lcsc": "C841533"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:48:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BP00",
        "type": "bidirectional",
        "description": "General input/output pin, individually settable as input (optional pull-high) or output, shared with ICPCLK and used as SCL for the host 2-I/O protocol."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative power supply for oscillation, uP and peripherals, tied to ground."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply, operating range 2.0 to 5.5 V, with 4.7uF and 0.1uF decoupling capacitors placed close to the chip."
      },
      {
        "number": "4",
        "name": "PWM+",
        "type": "output",
        "description": "PWM driver positive output to drive the speaker directly, rated for +250 mA into 8 ohm."
      },
      {
        "number": "5",
        "name": "PWM-",
        "type": "output",
        "description": "PWM driver negative output to drive the speaker directly, rated for -250 mA into 8 ohm."
      },
      {
        "number": "6",
        "name": "VSS_SPK",
        "type": "power_in",
        "description": "Negative power supply for the speaker driver, connected to ground."
      },
      {
        "number": "7",
        "name": "/RESET",
        "type": "input",
        "description": "IC reset input, active low, with a 0.1uF capacitor to ground in the typical application."
      },
      {
        "number": "8",
        "name": "BP01",
        "type": "bidirectional",
        "description": "General input/output pin, individually settable as input (optional pull-high) or output, shared with ICPDATA and used as SDA for the host 2-I/O protocol."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOP8 pin table has no separate VDD_SPK pin; the datasheet's VDD_SPK and REG descriptions apply t; The datasheet does not list BP00 and BP01 with a pull-high resistor rating for SOP8 beyond the gener",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.2905,
        "at": "2026-10-26T18:48:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b315a25dd50925b4ba191c34a00040fc.pdf",
        "pages": 13,
        "sha256": "fb966d59fa3e3401",
        "source_tier": "lcsc"
      },
      "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": "nsp171a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "nsp171a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "323c9925ca76defa7ddc9b37da47e6c30b28c25bf9a8200bdb4b32c1afc41675",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}