NS4160

{
  "schema_version": 1,
  "type": "component",
  "slug": "ns4160",
  "title": "NS4160",
  "brief": "Shenzhen Nsiway Tech Audio Power OpAmps, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "ns4160"
  ],
  "component": {
    "mpn": "NS4160",
    "manufacturer": "Shenzhen Nsiway Tech",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a8608c4bf852fcaacea78192f30c32eb.pdf",
    "parts": {
      "symbol": "ns4160.kicad_sym",
      "footprint": "ns4160.kicad_mod",
      "model_3d": "ns4160-etched.glb",
      "model_3d_plain": "ns4160.glb",
      "model_3d_step": "ns4160-etched.step",
      "model_3d_step_plain": "ns4160.step",
      "lbr": "ns4160.lbr"
    },
    "distributor_links": {
      "lcsc": "C219017"
    },
    "pins": [
      {
        "number": "1",
        "name": "CTRL",
        "type": "input",
        "description": "Shutdown and Class-AB/Class-D mode selection control input via a one-wire pulse protocol. Logic low shuts down the amplifier (Vctrl=VDD puts the chip in shutdown with ~1 µA typical leakage). VIH ≥ 1.4V, VIL ≤ 0.4V; one-wire pulse high/low time 1-12 µs, shutdown assertion time ≥ 100 µs."
      },
      {
        "number": "2",
        "name": "Bypass",
        "type": "passive",
        "description": "Internal reference-voltage bypass node. Connect an external decoupling capacitor (typ. 0.1 µF) from this pin to GND to filter the mid-supply reference and improve PSRR/noise performance."
      },
      {
        "number": "3",
        "name": "INP",
        "type": "input",
        "description": "Positive (non-inverting) differential audio input to the input buffer. AC-coupled through a 0.1 µF capacitor with a 10 kΩ series/gain-setting resistor in the typical application."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Negative (inverting) differential audio input to the input buffer. AC-coupled through a 0.1 µF capacitor with a 10 kΩ series/gain-setting resistor in the typical application."
      },
      {
        "number": "5",
        "name": "VoN",
        "type": "output",
        "description": "Negative bridge-tied-load (BTL) speaker output from the output stage. Drives one terminal of the loudspeaker directly (filterless in Class-D mode); supports 2Ω/4Ω/8Ω loads."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input, 3.0 V to 5.5 V (absolute max 5.5 V). Decouple to GND with a 1 µF capacitor close to the pin. Typical quiescent current IDD ≈ 12 mA at 3.6 V and 18 mA at 5.0 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return. Provides the reference for the supply, bypass capacitor, and speaker return currents; also acts as the thermal reference for the eSOP-8 package."
      },
      {
        "number": "8",
        "name": "VoP",
        "type": "output",
        "description": "Positive bridge-tied-load (BTL) speaker output from the output stage. Drives the other terminal of the loudspeaker directly (filterless in Class-D mode); supports 2Ω/4Ω/8Ω loads."
      },
      {
        "number": "9",
        "name": "EXPOSED PAD",
        "type": "power_in",
        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
        "source": "derived-from-footprint"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a8608c4bf852fcaacea78192f30c32eb.pdf",
        "pages": 11,
        "sha256": "d7dfcb07ef6f9aa8",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ns4160.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ns4160-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4ddc2c4b950d712a3f8c0f296e79f14bcf4ebea3fcbdcbe753465bef8c3c860d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Nsiway Tech",
      "Package": "ESOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ns4160"
  ],
  "discovery_pitch": "NS4160 (Shenzhen Nsiway Tech) 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",
    "ns4160.kicad_sym",
    "ns4160.kicad_mod",
    "ns4160.glb",
    "ns4160.step",
    "ns4160-etched.step",
    "ns4160.lbr",
    "docs/hero.png",
    "docs/ns4160-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "updated_at": "2026-09-25T03:14:28.176Z"
}