RH7902A

{
  "schema_version": 1,
  "type": "component",
  "slug": "rh7902a",
  "title": "RH7902A",
  "brief": "RONGHE Microelectronics USB Converters, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "rh7902a"
  ],
  "component": {
    "mpn": "RH7902A",
    "manufacturer": "RONGHE Microelectronics",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/817f4dd8bb2c4986bfa9997b4ce54e9d.pdf",
    "parts": {
      "symbol": "rh7902a.kicad_sym",
      "footprint": "rh7902a.kicad_mod",
      "model_3d": "rh7902a-etched.glb",
      "model_3d_plain": "rh7902a.glb",
      "model_3d_step": "rh7902a-etched.step",
      "model_3d_step_plain": "rh7902a.step",
      "lbr": "rh7902a.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "DP1",
        "type": "bidirectional",
        "description": "Connects to the D+ line of the first USB port for charging protocol handshake. Drives Divider3 (2.7V typical) or other configured protocol voltages."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Negative supply / ground reference."
      },
      {
        "number": "3",
        "name": "DP2",
        "type": "bidirectional",
        "description": "Connects to the D+ line of the second USB port for charging protocol handshake. Enables independent dual-port protocol negotiation."
      },
      {
        "number": "4",
        "name": "DM2",
        "type": "bidirectional",
        "description": "Connects to the D- line of the second USB port for charging protocol handshake. Drives Divider3 (2.0V typical on DM) or other configured protocol voltages."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input. Operating range 4.5V to 5.5V (typ 5.0V). LVR threshold ~4.0V; supply current 140uA typical in normal mode."
      },
      {
        "number": "6",
        "name": "DM1",
        "type": "bidirectional",
        "description": "Connects to the D- line of the first USB port for charging protocol handshake. Drives Divider3 (2.0V typical on DM) or other configured protocol voltages."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/817f4dd8bb2c4986bfa9997b4ce54e9d.pdf",
        "pages": 9,
        "sha256": "3b28b7a4e97633ee",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rh7902a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rh7902a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5036eac7ebbee3eec66434b7131b23fadcf54b507c92fd35382996cb9e5466e2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RONGHE Microelectronics",
      "Package": "SOT-23-6",
      "Category": "Interface",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rh7902a"
  ],
  "discovery_pitch": "RH7902A (RONGHE Microelectronics) 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",
    "rh7902a.kicad_sym",
    "rh7902a.kicad_mod",
    "rh7902a.glb",
    "rh7902a.step",
    "rh7902a.lbr",
    "docs/hero.png",
    "docs/rh7902a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rh7902a-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "RH7901",
      "kind": "unknown"
    },
    {
      "mpn": "RH7901A",
      "kind": "unknown"
    },
    {
      "mpn": "RH7902A",
      "kind": "packaging"
    },
    {
      "mpn": "RH7902B",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T04:52:27.584Z"
}