main
Ray Publish 0.1.0 ee48e62 3d ago
{
  "slug": "pam2841sr",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated LED Drivers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "driver ics",
    "pam2841sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pam2841sr.kicad_sym",
    "pam2841sr.kicad_mod",
    "pam2841sr.glb",
    "pam2841sr.step",
    "pam2841sr.lbr",
    "docs/hero.png",
    "docs/pam2841sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pam2841sr-hero.glb",
    "pam2841sr-hero.overlay.json",
    "pam2841sr-etched.glb"
  ],
  "component": {
    "mpn": "PAM2841SR",
    "manufacturer": "Diodes Incorporated",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Driver ICs",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/PAM2841SR.pdf",
    "parts": {
      "symbol": "pam2841sr.kicad_sym",
      "footprint": "pam2841sr.kicad_mod",
      "model_3d": "pam2841sr-hero.glb",
      "model_3d_plain": "pam2841sr-etched.glb",
      "model_3d_step": "pam2841sr-etched.step",
      "model_3d_step_plain": "pam2841sr.step",
      "lbr": "pam2841sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C153720"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T18:24:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, kept as a separate trace from signal ground and joined to it at a quiet ground point."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin, 2.7V to 5.5V supply range, with an input capacitor of at least 1µF placed close to it."
      },
      {
        "number": "3",
        "name": "ENA",
        "type": "input",
        "description": "Active-high chip enable (high ≥1.2V on, low ≤0.4V shutdown) that also accepts a 100Hz to 200Hz PWM dimming signal."
      },
      {
        "number": "4",
        "name": "Comp",
        "type": "passive",
        "description": "Compensation node, which can be pulled down by an N-MOSFET for PWM dimming at 100Hz to 500Hz."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Chip (signal) ground, to be kept close to the IC and the input capacitor."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin regulating to a 200mV (194mV to 206mV) feedback voltage across the LED current-sense resistor."
      },
      {
        "number": "7",
        "name": "OVP",
        "type": "input",
        "description": "Overvoltage protection sense input with a 1.2V open-load threshold."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the main switch, rated to 40V maximum with a 1.5A current limit."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for Comp, SW and OVP are inferred from function descriptions; the datasheet gives no expli"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0995,
        "at": "2026-10-22T18:24:15"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/PAM2841SR.pdf",
        "pages": 15,
        "sha256": "8c303b145bcb031d",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pam2841sr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pam2841sr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8beff0867bffd246a02e40a6f3ffdb7b5cb8099473ae0366b17db9ff717d881",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}