VIPER115LSTR

{
  "schema_version": 1,
  "type": "component",
  "slug": "viper115lstr",
  "title": "VIPER115LSTR",
  "brief": "STMicroelectronics AC-DC Controllers And Regulators, SOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "viper115lstr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "VIPER115LSTR",
    "manufacturer": "STMicroelectronics",
    "package": "SOP-10",
    "pin_count": 10,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603182565377253376",
    "parts": {
      "symbol": "viper115lstr.kicad_sym",
      "footprint": "viper115lstr.kicad_mod",
      "model_3d": "viper115lstr-hero.glb",
      "model_3d_plain": "viper115lstr.glb",
      "model_3d_step": "viper115lstr-etched.step",
      "model_3d_step_plain": "viper115lstr.step",
      "lbr": "viper115lstr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2970123",
      "digikey": "497-18187-2-ND",
      "mouser": "511-VIPER115LSTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T15:54:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18187-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-VIPER115LSTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground and source of the internal MOSFET and return of the device bias current; all bias-component grounds must be tied to a trace going to this pin, separate from the pulsed current return."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Controller supply (4.5 V to 30 V operating range) needing an external storage capacitor to GND, also fed by the internal HV current source for startup charging, with a 0.1 µF typ. bypass capacitor recommended close to the IC."
      },
      {
        "number": "3",
        "name": "DIS",
        "type": "input",
        "description": "Disable input: if voltage exceeds VDIS_th (1.2 V typ.) for more than tDEB (1 ms typ.) the PWM is disabled for tDIS_RESTART (500 ms typ.) in auto-restart, used for input/output overvoltage protection via a divider, and must be soldered to GND if unused."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Direct feedback, inverting input of the internal transconductance E/A referenced to 1.2 V with respect to GND, fed by the output divider (or VCC divider for primary regulation), and the E/A is disabled by soldering FB to GND."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "output",
        "description": "Compensation, output of the internal E/A, with a compensation network to GND for loop stability, or driven directly by the optocoupler (E/A disabled) in secondary feedback to set the DRAIN peak current setpoint."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain (800 V max), internal HV current source sinks current from it to charge VCC at startup, mechanically connected to the internal metal pad, with copper area required under these pins for heat dissipation."
      },
      {
        "number": "7",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain (800 V max), internal HV current source sinks current from it to charge VCC at startup, mechanically connected to the internal metal pad, with copper area required under these pins for heat dissipation."
      },
      {
        "number": "8",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain (800 V max), internal HV current source sinks current from it to charge VCC at startup, mechanically connected to the internal metal pad, with copper area required under these pins for heat dissipation."
      },
      {
        "number": "9",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain (800 V max), internal HV current source sinks current from it to charge VCC at startup, mechanically connected to the internal metal pad, with copper area required under these pins for heat dissipation."
      },
      {
        "number": "10",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain (800 V max), internal HV current source sinks current from it to charge VCC at startup, mechanically connected to the internal metal pad, with copper area required under these pins for heat dissipation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers taken from the text pin table (Table 1); I did not open the connection-diagram image (Fi",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 37,
        "cost_usd": 0.1727,
        "at": "2026-10-10T15:53:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603182565377253376",
        "pages": 37,
        "sha256": "c43ec45622596607",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "viper115lstr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.06,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d31d0c525edb57b801498e4a98f2c7baeed143752ae563723212b3f2d55abfbc",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "viper115lstr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.06,
          4.9,
          1.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "12e4b5f3df2a1ca3aefa2ca73a37d085a1be2011c9eea57373a1ab69e08d40f4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOP-10",
      "Category": "Power Management (PMIC)",
      "Pins": "10"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "viper115lstr"
  ],
  "discovery_pitch": "VIPER115LSTR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "viper115lstr.kicad_sym",
    "viper115lstr.kicad_mod",
    "viper115lstr.glb",
    "viper115lstr.step",
    "viper115lstr.lbr",
    "docs/hero.png",
    "docs/viper115lstr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "viper115lstr-hero.glb",
    "viper115lstr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}