main
Ray Set visibility: public fb36cb7 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "pam2841sr",
  "title": "PAM2841SR",
  "brief": "Diodes Incorporated LED Drivers, MSOP-8. 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",
    "driver ics",
    "pam2841sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": [
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        "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."
      }
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        "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"
      },
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        "pages": 15,
        "sha256": "8c303b145bcb031d",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "checked": "2026-10-22",
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        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "MSOP-8",
      "Category": "Driver ICs",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Matte Tin plated Leads, Solderable per M2003 JESD22-B102  Weight: 0.027 grams (Approximate)",
        "page": 14,
        "doc": "ds.pdf",
        "plating": "tin"
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          "typ": 200,
          "max": 300,
          "conditions": "No Switching",
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          "source": "datasheet"
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        {
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          "typ": null,
          "max": 1,
          "conditions": "VENA = Low",
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          "source": "datasheet"
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        {
          "name": "Supply-Voltage Range",
          "symbol": "VDD",
          "kind": "electrical",
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          "min": 2.7,
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          "max": 5.5,
          "conditions": "",
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        {
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          "symbol": "VO",
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          "typ": null,
          "max": 40,
          "conditions": "min is VIN x 1.1",
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          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage",
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          "max": 206,
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        },
        {
          "name": "SW On-Resistance",
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          "max": 0.5,
          "conditions": "ISW = 100mA",
          "source_page": 4,
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        {
          "name": "SW Frequency",
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          "typ": 1,
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        },
        {
          "name": "Enable Threshold Voltage, Chip Shutdown",
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          "max": 0.4,
          "conditions": "Chip Shutdown",
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        {
          "name": "Enable Threshold Voltage, Chip On",
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          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "Chip On",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Lockout",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.2,
          "max": 2.4,
          "conditions": "VIN Falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "R3 = 5.1Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "R3 = 6.8Ω",
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          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "R3 = 10Ω",
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        {
          "name": "Output Current",
          "symbol": "IO",
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          "max": null,
          "conditions": "R3 = 20Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SW Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "Switch On",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 95,
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        {
          "name": "Overvoltage Protection Threshold",
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          "conditions": "Open Load",
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        {
          "name": "UVLO Hysterisis",
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        {
          "name": "Overtemperature Shutdown",
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          "kind": "electrical",
          "unit": "°C",
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        {
          "name": "Overtemperature Hysterisis",
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          "unit": "°C",
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        {
          "name": "Supply Voltage",
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          "max": 6,
          "conditions": "TA = +25°C",
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        {
          "name": "Maximum SW Pin Voltage",
          "symbol": "",
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        {
          "name": "Storage Temperature",
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          "kind": "absolute_maximum",
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          "min": -65,
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Soldering Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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          "max": 300,
          "conditions": "5sec",
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        {
          "name": "Supply-Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": 2.8,
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          "conditions": "TA = +25°C",
          "source_page": 3,
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        },
        {
          "name": "Operation Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
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          "max": 85,
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          "source_page": 3,
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        {
          "name": "Junction Temperature Range",
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          "min": -40,
          "typ": null,
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction to Ambient)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "MSOP-8",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction to Case)",
          "symbol": "θJC",
          "kind": "thermal",
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          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "MSOP-8",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "PAM2841SR (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}