VIPER26HD

{
  "slug": "viper26hd",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics AC-DC Controllers And Regulators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "viper26hd",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "viper26hd.kicad_sym",
    "viper26hd.kicad_mod",
    "viper26hd.glb",
    "viper26hd.step",
    "viper26hd.lbr",
    "docs/hero.png",
    "docs/viper26hd-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "viper26hd-hero.glb",
    "viper26hd-hero.overlay.json"
  ],
  "component": {
    "mpn": "VIPER26HD",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603175660508893184",
    "parts": {
      "symbol": "viper26hd.kicad_sym",
      "footprint": "viper26hd.kicad_mod",
      "model_3d": "viper26hd-hero.glb",
      "model_3d_plain": "viper26hd.glb",
      "model_3d_step": "viper26hd-etched.step",
      "model_3d_step_plain": "viper26hd.step",
      "lbr": "viper26hd.lbr"
    },
    "distributor_links": {
      "lcsc": "C2971662",
      "digikey": "497-10742-5-ND",
      "mouser": "511-VIPER26HD"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T22:55:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-10742-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-VIPER26HD",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground and MOSFET source, connecting the source of the internal MOSFET and the controller ground reference."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground and MOSFET source, connecting the source of the internal MOSFET and the controller ground reference (duplicate GND pin on SO16N)."
      },
      {
        "number": "3",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; this pin can be soldered to GND."
      },
      {
        "number": "4",
        "name": "N.A.",
        "type": "unconnected",
        "description": "Not available for user; mechanically connected to the controller die pad of the frame, and highly recommended to be connected to GND (pins 1, 2) to improve noise immunity."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Controller supply with an external storage capacitor across VDD and GND, charged by the internal high-voltage current source at startup and during fault conditions; a 0.1 µF bypass capacitor placed close to the IC is recommended."
      },
      {
        "number": "6",
        "name": "LIM",
        "type": "passive",
        "description": "Drain current limitation: an external resistor to GND lowers the drain current limit below the default IDlim, a capacitor to GND must be lower than 470 nF, and the pin can be left open to use the default limit."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Direct feedback, the inverting input of the internal transconductance E/A referenced internally to 3.3 V with respect to GND; the E/A is disabled by soldering FB to GND."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation pin, the output of the internal E/A that requires an RC compensation network to GND, or is directly driven by the optocoupler to set the drain peak current in isolated secondary-side regulation."
      },
      {
        "number": "9",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not internally connected; must be left floating to ensure a safe clearance distance."
      },
      {
        "number": "10",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not internally connected; must be left floating to ensure a safe clearance distance."
      },
      {
        "number": "11",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not internally connected; must be left floating to ensure a safe clearance distance."
      },
      {
        "number": "12",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not internally connected; must be left floating to ensure a safe clearance distance."
      },
      {
        "number": "13",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain, sinking the internal high-voltage current source to charge the VCC capacitor at startup; mechanically tied to the internal MOSFET metal pad, so the PCB copper under the DRAIN pins should be maximized for heat dissipation."
      },
      {
        "number": "14",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain, sinking the internal high-voltage current source to charge the VCC capacitor at startup; mechanically tied to the internal MOSFET metal pad, so the PCB copper under the DRAIN pins should be maximized for heat dissipation."
      },
      {
        "number": "15",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain, sinking the internal high-voltage current source to charge the VCC capacitor at startup; mechanically tied to the internal MOSFET metal pad, so the PCB copper under the DRAIN pins should be maximized for heat dissipation."
      },
      {
        "number": "16",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain, sinking the internal high-voltage current source to charge the VCC capacitor at startup; mechanically tied to the internal MOSFET metal pad, so the PCB copper under the DRAIN pins should be maximized for heat dissipation."
      }
    ],
    "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 user's hint says SOIC-16; the datasheet names this package SO16N (SO16 narrow). Order code table; Pin types are chosen by engineering judgment because the datasheet gives no electrical type. COMP an; Pin 4 (N.A.) is not available for user, and the datasheet recommends connecting it to GND. It is typ",
          "2/16 pins cited to the wrong page (name found elsewhere): ['11:N.C.@p2', '15:DRAIN@p2']"
        ],
        "pages_sent": 34,
        "cost_usd": 0.086,
        "at": "2026-10-11T22:55:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603175660508893184",
        "pages": 34,
        "sha256": "396324b4060be48c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "viper26hd.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "viper26hd-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ee2082f6ba714e471c378ba8a1999e5c6e579263a01c1d832ab8a0b807f224bc",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}