XD3846

{
  "slug": "xd3846",
  "version": "0.1.0",
  "type": "component",
  "description": "XINLUDA AC-DC Controllers And Regulators, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "xd3846",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xd3846.kicad_sym",
    "xd3846.kicad_mod",
    "xd3846.glb",
    "xd3846.step",
    "xd3846.lbr",
    "docs/hero.png",
    "docs/xd3846-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xd3846-hero.glb",
    "xd3846-hero.overlay.json",
    "xd3846-etched.glb"
  ],
  "component": {
    "mpn": "XD3846",
    "manufacturer": "XINLUDA",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914889763270656",
    "parts": {
      "symbol": "xd3846.kicad_sym",
      "footprint": "xd3846.kicad_mod",
      "model_3d": "xd3846-hero.glb",
      "model_3d_plain": "xd3846-etched.glb",
      "model_3d_step": "xd3846-etched.step",
      "model_3d_step_plain": "xd3846.step",
      "lbr": "xd3846.lbr"
    },
    "distributor_links": {
      "lcsc": "C561275"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T03:14:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C/S SS",
        "type": "input",
        "description": "Current limit/soft-start programming pin; soft-start sink current is rated at -40 mA maximum."
      },
      {
        "number": "2",
        "name": "VREF",
        "type": "power_out",
        "description": "5.1-V reference voltage output (4.85 to 5.35 V at 1 mA) that needs a 1 to 2.2 µF external capacitor and is rated at -25 mA maximum output current."
      },
      {
        "number": "3",
        "name": "C/S–",
        "type": "input",
        "description": "Current sense comparator inverting input, with analog input range -0.3 V to +VIN."
      },
      {
        "number": "4",
        "name": "C/S+",
        "type": "input",
        "description": "Current sense comparator non-inverting input, with analog input range -0.3 V to +VIN and differential signal kept below 1.2 V."
      },
      {
        "number": "5",
        "name": "E/A+",
        "type": "input",
        "description": "Error amplifier non-inverting input (the pin table calls it inverting, but the layout guidelines call E/A+ non-inverting), with analog input range -0.3 V to +VIN."
      },
      {
        "number": "6",
        "name": "E/A–",
        "type": "input",
        "description": "Error amplifier inverting input, with analog input range -0.3 V to +VIN."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Error amplifier output and input to the PWM comparator, with output current rated at -5 mA maximum."
      },
      {
        "number": "8",
        "name": "CT",
        "type": "input",
        "description": "Oscillator frequency programming capacitor pin, with a ceramic CT placed close to the device and returned to GND."
      },
      {
        "number": "9",
        "name": "RT",
        "type": "input",
        "description": "Oscillator frequency programming resistor pin (labelled CR in the pin table, RT elsewhere), with oscillator charging current rated at 5 mA maximum and RT connected to GND."
      },
      {
        "number": "10",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Synchronization output from a master controller or input of a slave controller, with output current rated at -5 mA maximum."
      },
      {
        "number": "11",
        "name": "A Out",
        "type": "output",
        "description": "PWM drive signal output A, complementary to pin 14, with 400 mA maximum source or sink current."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground node to which all signals are referenced."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Bias supply input for the output stage, rated at 36 V maximum."
      },
      {
        "number": "14",
        "name": "B Out",
        "type": "output",
        "description": "PWM drive signal output B, complementary to pin 11, with 400 mA maximum source or sink current."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Bias supply input, rated at 36 V maximum, with undervoltage lockout start-up threshold of 7.7 V min to 8.2 V max."
      },
      {
        "number": "16",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "External shutdown signal input; a signal above the 350 mV threshold (250 to 400 mV) fires the shutdown latch, and the input range is 0 to VIN."
      }
    ],
    "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 pin table describes both pin 5 (E/A+) and pin 6 (E/A−) as 'Error amplifier inverting input'. Pin; The pin table names pin 9 'CR' but the layout guidelines, application notes and the page 15 pin diag; The datasheet classifies VREF as output and VC/VIN as bias supply inputs. KiCad type power_out was c"
        ],
        "pages_sent": 16,
        "cost_usd": 0.054,
        "at": "2026-10-16T03:13:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914889763270656",
        "pages": 16,
        "sha256": "6f1f2cb1359f753e",
        "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": "xd3846.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xd3846-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": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ebb1e598efb69f9d041659564bf91456b3d282f48fc91e64b9f7766a94c5d472",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}