NS4150B

{
  "schema_version": 1,
  "type": "component",
  "slug": "ns4150b",
  "title": "NS4150B",
  "brief": "Shenzhen Nsiway Tech Audio Power OpAmps, MSOP-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",
    "ns4150b"
  ],
  "component": {
    "mpn": "NS4150B",
    "manufacturer": "Shenzhen Nsiway Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/75c9de26d1ce6a24e56ace3c6df586e7.pdf",
    "parts": {
      "symbol": "ns4150b.kicad_sym",
      "footprint": "ns4150b.kicad_mod",
      "model_3d": "ns4150b-etched.glb",
      "model_3d_plain": "ns4150b.glb",
      "model_3d_step": "ns4150b-etched.step",
      "model_3d_step_plain": "ns4150b.step",
      "lbr": "ns4150b.lbr"
    },
    "distributor_links": {
      "lcsc": "C189961"
    },
    "pins": [
      {
        "number": "1",
        "name": "CTRL",
        "type": "input",
        "description": "Operating mode control. Logic high (VIH ≥ 1.2V, up to VDD) enables the amplifier; logic low (VIL ≤ 0.2V) puts the device into shutdown. Typical shutdown leakage 0.1µA at VDD=3.6V."
      },
      {
        "number": "2",
        "name": "Bypass",
        "type": "passive",
        "description": "Internal common-mode voltage bypass. Connect a 1µF ceramic capacitor from this pin to GND to filter the internal mid-supply reference."
      },
      {
        "number": "3",
        "name": "INP",
        "type": "input",
        "description": "Positive audio input. AC-coupled through a series capacitor and input resistor Rin; combined with the internal 240kΩ feedback resistor to set differential gain AVD = 240kΩ / Rin."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Negative audio input. AC-coupled through a series capacitor and input resistor Rin; used differentially with INP, or grounded through Cin/Rin for single-ended input."
      },
      {
        "number": "5",
        "name": "VON",
        "type": "output",
        "description": "Negative Class-D BTL audio output. Drives one side of the speaker load (4Ω or 8Ω); filterless PWM output, optional ferrite bead + 1nF cap for EMI suppression on long speaker leads."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input and power stage supply. Recommended operating range 2.2V-5.0V (absolute max 5.25V). Decouple with a 1µF ceramic close to the pin, optionally add 10µF for low-frequency filtering."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Return path for supply, bypass capacitor, and speaker EMI filter capacitors."
      },
      {
        "number": "8",
        "name": "VOP",
        "type": "output",
        "description": "Positive Class-D BTL audio output. Drives the other side of the speaker load; filterless PWM output, optional ferrite bead + 1nF cap for EMI suppression."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/75c9de26d1ce6a24e56ace3c6df586e7.pdf",
        "pages": 9,
        "sha256": "8f26ce641fd0ead9",
        "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": [
        -2.1125,
        -0.975
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ns4150b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ns4150b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "73ef1ecb823908def74564be25455f439a84ddcc30a03d8240072574a97c8622",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Nsiway Tech",
      "Package": "MSOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ns4150b"
  ],
  "discovery_pitch": "NS4150B (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",
    "ns4150b.kicad_sym",
    "ns4150b.kicad_mod",
    "ns4150b.glb",
    "ns4150b.step",
    "ns4150b-etched.step",
    "ns4150b.lbr",
    "docs/hero.png",
    "docs/ns4150b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T03:14:03.757Z"
}