VIPER17LN

{
  "slug": "viper17ln",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics AC-DC Controllers And Regulators, DIP-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "viper17ln",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "viper17ln.kicad_sym",
    "viper17ln.kicad_mod",
    "viper17ln.glb",
    "viper17ln.step",
    "viper17ln.lbr",
    "docs/hero.png",
    "docs/viper17ln-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "viper17ln-hero.glb",
    "viper17ln-hero.overlay.json",
    "viper17ln-etched.glb"
  ],
  "component": {
    "mpn": "VIPER17LN",
    "manufacturer": "STMicroelectronics",
    "package": "DIP-7",
    "pin_count": 7,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/viper17ln.pdf",
    "parts": {
      "symbol": "viper17ln.kicad_sym",
      "footprint": "viper17ln.kicad_mod",
      "model_3d": "viper17ln-hero.glb",
      "model_3d_plain": "viper17ln-etched.glb",
      "model_3d_step": "viper17ln-etched.step",
      "model_3d_step_plain": "viper17ln.step",
      "lbr": "viper17ln.lbr"
    },
    "distributor_links": {
      "lcsc": "C10057",
      "digikey": "497-6951-5-ND",
      "mouser": "511-VIPER17LN"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T21:34:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-6951-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-VIPER17LN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "This pin represents the device ground and the source of the power section."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage of the control section, operating range 8.5 V to 23.5 V after turn-on, which also provides the charging current of the external capacitor during start-up."
      },
      {
        "number": "3",
        "name": "CONT",
        "type": "input",
        "description": "Control pin for current limit set point adjustment by an external resistor to ground and for output voltage monitoring, where a voltage exceeding 3 V shuts the IC down."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Control input for duty cycle control where a voltage below 0.5 V activates burst-mode operation and a level close to 3.3 V means approaching the cycle-by-cycle over-current set point."
      },
      {
        "number": "5",
        "name": "BR",
        "type": "input",
        "description": "Brownout protection input with hysteresis where a voltage below 0.45 V shuts down (not latch) the device and it can be connected to ground when not used."
      },
      {
        "number": "7",
        "name": "DRAIN",
        "type": "passive",
        "description": "High voltage drain pin rated 800 V drain-to-source (ground) voltage, through which the built-in high voltage switched start-up bias current is drawn."
      },
      {
        "number": "8",
        "name": "DRAIN",
        "type": "passive",
        "description": "High voltage drain pin rated 800 V drain-to-source (ground) voltage, through which the built-in high voltage switched start-up bias current is drawn."
      }
    ],
    "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 pin table lists DRAIN as a single entry for pins 7,8; it is split here into two pins, ; The datasheet gives the DIP-7 package with order code VIPER17LN (Table 1), but it does not state a p"
        ],
        "pages_sent": 31,
        "cost_usd": 0.0258,
        "at": "2026-11-05T21:34:08"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/viper17ln.pdf",
        "pages": 31,
        "sha256": "7fc924dd193648ca",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "viper17ln.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.62,
          10.16,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.127,
        "footprint_binding": "identity",
        "sha256": "f90bd1fa5f010bc999f2dd88ca613ee145644353e91e90fc2564259080330cbf",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "viper17ln-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.62,
          10.16,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.127,
        "footprint_binding": "identity",
        "sha256": "c6ecf5bcc535592ecdd2135ee9ca1abe5d65b7d15e56c0ce1f7ac22d8d969e30",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}