HX6291

{
  "slug": "hx6291",
  "version": "0.1.0",
  "type": "component",
  "description": "HX hengjiaxing DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "hx6291",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hx6291.kicad_sym",
    "hx6291.kicad_mod",
    "hx6291.glb",
    "hx6291.step",
    "hx6291.lbr",
    "docs/hero.png",
    "docs/hx6291-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hx6291-hero.glb",
    "hx6291-hero.overlay.json",
    "hx6291-etched.glb"
  ],
  "component": {
    "mpn": "HX6291",
    "manufacturer": "HX hengjiaxing",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226279489437696",
    "parts": {
      "symbol": "hx6291.kicad_sym",
      "footprint": "hx6291.kicad_mod",
      "model_3d": "hx6291-hero.glb",
      "model_3d_plain": "hx6291-etched.glb",
      "model_3d_step": "hx6291-etched.step",
      "model_3d_step_plain": "hx6291.step",
      "lbr": "hx6291.lbr"
    },
    "distributor_links": {
      "lcsc": "C2984966"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:25:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Power switch output (boost switch node) of the internal 0.2 Ω, 2.5 A, 16 V MOSFET, with an absolute maximum LX voltage of 16 V and a requirement to keep the trace wide and short to reduce EMI."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground, which should be connected close to CIN and COUT on a ground plane."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier inverting input regulated to the 0.6 V (±2%) reference, with an absolute maximum of 6 V, and the feedback divider must connect directly and close to this pin, away from LX."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable with an enable threshold of 0.96 V and a shutdown threshold of 0.6 V, an absolute maximum of 6 V, and EN must be less than or equal to VCC."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "IC power supply with a recommended range of 2.6 V to 5.5 V, an absolute maximum of 6 V, and an under-voltage lockout of 2.2 V (typ.)."
      },
      {
        "number": "6",
        "name": "OC",
        "type": "input",
        "description": "Adjustable current-limit pin where a resistor from OC to GND (19 kΩ to 96 kΩ) sets the peak switch current from 2.5 A down to 0.5 A, and no capacitance should be placed on this pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives only one package, SOT23-6L, so the pinout applies to the SOT-23-6 variant. Pin n"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0372,
        "at": "2026-10-17T23:22:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226279489437696",
        "pages": 9,
        "sha256": "e3d44dc6eca4bfcb",
        "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": "hx6291.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hx6291-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": "1f737c36fe91634c9f64ef29c484552d87fa8bbf9902c45e98bb1d816475c683",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}