A8498SLJTR-T

{
  "slug": "a8498sljtr-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems LLC DC-DC Converters, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "a8498sljtr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a8498sljtr-t.kicad_sym",
    "a8498sljtr-t.kicad_mod",
    "a8498sljtr-t.glb",
    "a8498sljtr-t.step",
    "a8498sljtr-t.lbr",
    "docs/hero.png",
    "docs/a8498sljtr-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a8498sljtr-t-hero.glb",
    "a8498sljtr-t-hero.overlay.json",
    "a8498sljtr-t-etched.glb"
  ],
  "component": {
    "mpn": "A8498SLJTR-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199765096390657",
    "parts": {
      "symbol": "a8498sljtr-t.kicad_sym",
      "footprint": "a8498sljtr-t.kicad_mod",
      "model_3d": "a8498sljtr-t-hero.glb",
      "model_3d_plain": "a8498sljtr-t-etched.glb",
      "model_3d_step": "a8498sljtr-t-etched.step",
      "model_3d_step_plain": "a8498sljtr-t.step",
      "lbr": "a8498sljtr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C146396"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T20:37:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Gate drive boost node for the high-side switch drive, with a 0.01 µF ceramic CBOOT used in the reference designs."
      },
      {
        "number": "2",
        "name": "ENB",
        "type": "input",
        "description": "On/off control logic input: pulling it to ground enables the device, an open circuit disables it, VENB(0) LOW level is 1.0 V max, and the absolute maximum input voltage is 7 V."
      },
      {
        "number": "3",
        "name": "TSET",
        "type": "passive",
        "description": "Off-time setting pin: a resistor from this pin to ground sets the fixed off-time (for example, 63.4 kΩ gives tOFF for a 3.3 V output at 42 V input in the reference design)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for the adjustable regulator, regulated to a 0.8 V reference (0.784 to 0.816 V), with output adjustable from 0.8 to 24 V; the regulator invokes current limit when FB falls below 0.4 V."
      },
      {
        "number": "6",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Bias supply input, which should be connected to VOUT when the output target is between 3.3 and 5 V; absolute maximum rating is -0.3 to 7 V."
      },
      {
        "number": "7",
        "name": "LX",
        "type": "output",
        "description": "Buck switching node, with a switching voltage minimum of -1 V in the absolute maximum ratings."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, rated for 8 to 50 V operation with an absolute maximum load supply voltage of 50 V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad is shown on the pin-out diagram and terminal list only as 'Pad' with no pin ; The datasheet does not give ERC classes. The types for BOOT (passive), TSET (passive) and LX (output; The schema has no field for headline specs, so the electrical limits were placed in the pin descript",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0602,
        "at": "2026-10-17T20:35:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199765096390657",
        "pages": 10,
        "sha256": "57fe234fb85add6d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "a8498sljtr-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a8498sljtr-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "11825c247922bc5c1cb432f6e81401a0be50b3735e32cba2451b3cc4cda6775c",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}