HT6873B5SPNR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht6873b5spnr",
  "title": "HT6873B5SPNR",
  "brief": "Jiaxing Heroic Elec Tech HT6873 Audio Power OpAmps, SOP-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",
    "ht6873b5spnr"
  ],
  "component": {
    "mpn": "HT6873B5SPNR",
    "manufacturer": "Jiaxing Heroic Elec Tech HT6873",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/06ed427e84930f5586b3c55ddcf6a474.pdf",
    "parts": {
      "symbol": "ht6873b5spnr.kicad_sym",
      "footprint": "ht6873b5spnr.kicad_mod",
      "model_3d": "ht6873b5spnr-etched.glb",
      "model_3d_plain": "ht6873b5spnr.glb",
      "model_3d_step": "ht6873b5spnr-etched.step",
      "model_3d_step_plain": "ht6873b5spnr.step",
      "lbr": "ht6873b5spnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C94920"
    },
    "pins": [
      {
        "number": "1",
        "name": "CTRL",
        "type": "input",
        "description": "Shutdown and ACF mode control terminal. Voltage on CTRL selects operating mode: ≥2.00 V = ACF-Off, 1.55-1.85 V = ACF-1 (~3% max THD+N), 1.10-1.40 V = ACF-2 (~10% max THD+N), and ≤0.30 V = Shutdown. Typically driven from VDD via a switch with an external pull-down resistor (RPD)."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Analog reference / mid-supply bypass terminal. Nominal voltage is VDD/2. Bypass to GND with a 1 µF capacitor (CB) for PSRR and low-noise performance."
      },
      {
        "number": "3",
        "name": "IN-",
        "type": "input",
        "description": "Negative differential audio input. AC-couple through CIN (1 µF) and series RIN (12 kΩ) to the source (or to ground for single-ended input)."
      },
      {
        "number": "4",
        "name": "IN+",
        "type": "input",
        "description": "Positive differential audio input. AC-couple through CIN (1 µF) and series RIN (12 kΩ) to the audio source. Voltage gain Av = 25.5 dB with RIN = 12 kΩ."
      },
      {
        "number": "5",
        "name": "OUT+",
        "type": "output",
        "description": "Positive Class-D BTL output. Connects directly to one speaker terminal (filter-less). Switching carrier is ~470 kHz PWM."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input. Recommended 2.5 V to 6 V (typ. 5 V); absolute max 6.5 V. Decouple with 220 µF (CS2) bulk and 1 µF (CS1) ceramic to GND close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground / VSS. Common return for power supply, input coupling, and CTRL pull-down."
      },
      {
        "number": "8",
        "name": "OUT-",
        "type": "output",
        "description": "Negative Class-D BTL output. Connects directly to the other speaker terminal (filter-less). Together with OUT+ forms the bridge-tied load driving the speaker."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/06ed427e84930f5586b3c55ddcf6a474.pdf",
        "pages": 16,
        "sha256": "1e59a0341bfd7353",
        "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_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ht6873b5spnr.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht6873b5spnr-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": "2b32784a929e232ab6d437aaf3098900c49d97da3c8553abd90f48512d7d7fc7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Jiaxing Heroic Elec Tech HT6873",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht6873b5spnr"
  ],
  "discovery_pitch": "HT6873B5SPNR (Jiaxing Heroic Elec Tech HT6873) 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",
    "ht6873b5spnr.kicad_sym",
    "ht6873b5spnr.kicad_mod",
    "ht6873b5spnr.glb",
    "ht6873b5spnr.step",
    "ht6873b5spnr-etched.step",
    "ht6873b5spnr.lbr",
    "docs/hero.png",
    "docs/ht6873b5spnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "HT6873B5SPNT",
      "kind": "unknown"
    },
    {
      "mpn": "HT6873B5SPNR",
      "kind": "packaging"
    },
    {
      "mpn": "HT6873B5SPET",
      "kind": "unknown"
    },
    {
      "mpn": "HT6873B5SPER",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T22:05:05.420Z"
}