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Ray ht6872: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 4bd429a 19h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ht6872",
  "title": "HT6872",
  "brief": "Jiaxing Heroic Elec Tech 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",
    "ht6872"
  ],
  "component": {
    "mpn": "HT6872",
    "manufacturer": "Jiaxing Heroic Elec Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/30358fb1c2d545d68ddce0398b5d36bd.pdf",
    "parts": {
      "symbol": "ht6872.kicad_sym",
      "footprint": "ht6872.kicad_mod",
      "model_3d": "ht6872-etched.glb",
      "model_3d_plain": "ht6872.glb",
      "model_3d_step": "ht6872-etched.step",
      "model_3d_step_plain": "ht6872.step",
      "lbr": "ht6872.lbr"
    },
    "distributor_links": {
      "lcsc": "C93112"
    },
    "pins": [
      {
        "number": "1",
        "name": "CTRL",
        "type": "input",
        "description": "Mode-select input. Three operating modes are chosen by DC level on CTRL: ACF mode (V_CTRL >= 1.20 V, typ. up to VDD), ACF-Off mode (0.40 V .. 0.90 V, typ. 0.80 V), and shutdown / SD mode (V_CTRL <= 0.20 V ~ VSS). Recommended external RC filter R_CTRL=10 kΩ, C_CTRL=0.1 uF (time constant >= 1 ms)."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Internal analog reference bypass. Nominal voltage V_BYPASS = VDD/2. Bypass to GND with C_B = 1 uF for noise filtering / PSRR."
      },
      {
        "number": "3",
        "name": "IN-",
        "type": "input",
        "description": "Inverting analog audio input (differential negative). AC-coupled through C_IN = 0.1 uF and R_IN = 12 kΩ. For single-ended use, this pin is tied through matching C_IN/R_IN to ground."
      },
      {
        "number": "4",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting analog audio input (differential positive). AC-coupled through C_IN = 0.1 uF and R_IN = 12 kΩ. Voltage gain Av = 200/R_IN (approx. 23.5 dB with R_IN=12 kΩ). Source impedance Z_OUT should be <= 600 Ω."
      },
      {
        "number": "5",
        "name": "OUT+",
        "type": "output",
        "description": "Non-inverting Class-D BTL speaker output (BTL+). Directly drives a 4 Ω or 8 Ω speaker without an LC filter. Paired with OUT- as differential H-bridge output."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. Recommended 2.5 V .. 6.5 V (absolute max 6.5 V). Decouple with C_S = 1 uF close to the pin. UVLO trip approx. V_UVLH=2.06 V rising, V_UVLL=1.90 V falling."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground (0 V). SOP-8 combines analog and power ground on this single pin; in the WLCSP-9 variant AGND and PGND are separated."
      },
      {
        "number": "8",
        "name": "OUT-",
        "type": "output",
        "description": "Inverting Class-D BTL speaker output (BTL-). Directly drives a 4 Ω or 8 Ω speaker without an LC filter. Paired with OUT+ as differential H-bridge output."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/30358fb1c2d545d68ddce0398b5d36bd.pdf",
        "pages": 12,
        "sha256": "6f4e688d6dc656d6",
        "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": "ht6872.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": "ht6872-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": "9aa67644b0251612fa7a77ab9d4bb71579d4271b792bc4af4995c443392b6eba",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Jiaxing Heroic Elec Tech",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht6872"
  ],
  "discovery_pitch": "HT6872 (Jiaxing Heroic Elec 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",
    "ht6872.kicad_sym",
    "ht6872.kicad_mod",
    "ht6872.glb",
    "ht6872.step",
    "ht6872-etched.step",
    "ht6872.lbr",
    "docs/hero.png",
    "docs/ht6872-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T22:04:57.480Z"
}