A8586KEJTR-T

{
  "slug": "a8586kejtr-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems, LLC DC-DC Converters, DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "a8586kejtr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a8586kejtr-t.kicad_sym",
    "a8586kejtr-t.kicad_mod",
    "a8586kejtr-t.glb",
    "a8586kejtr-t.step",
    "a8586kejtr-t.lbr",
    "docs/hero.png",
    "docs/a8586kejtr-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a8586kejtr-t-hero.glb",
    "a8586kejtr-t-hero.overlay.json",
    "a8586kejtr-t-etched.glb"
  ],
  "component": {
    "mpn": "A8586KEJTR-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f9bb1e74a207ffa00a818db984c1ca73.pdf",
    "parts": {
      "symbol": "a8586kejtr-t.kicad_sym",
      "footprint": "a8586kejtr-t.kicad_mod",
      "model_3d": "a8586kejtr-t-hero.glb",
      "model_3d_plain": "a8586kejtr-t-etched.glb",
      "model_3d_step": "a8586kejtr-t-etched.step",
      "model_3d_step_plain": "a8586kejtr-t.step",
      "lbr": "a8586kejtr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072667",
      "digikey": "620-1715-2-ND",
      "mouser": "250-A8586KEJTR-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T11:50:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-1715-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-A8586KEJTR-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Source of the internal MOSFET; connect the output inductor (LO) and freewheel diode (D) cathode close to this pin with wide traces (pins 1 and 2 are both SW)."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Source of the internal MOSFET; connect the output inductor (LO) and freewheel diode (D) cathode close to this pin with wide traces (pins 1 and 2 are both SW)."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "High-voltage enable input (rated 40 V); set high to turn the regulator on, low to turn it off, and it can be tied to VIN if no logic signal is available."
      },
      {
        "number": "4",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier output and compensation node for the current-mode control loop; connect a series RC network from this pin to GND."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback (negative) input to the error amplifier; connect a resistor divider from VOUT to this pin to program the output voltage (0.792 V typical reference)."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "7",
        "name": "FREQ",
        "type": "passive",
        "description": "Frequency setting pin; a resistor RFREQ from this pin to GND sets the PWM switching frequency (45 kΩ gives 2.0 MHz typical)."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input for the control circuits and drain of the internal high-side N-channel MOSFET; connect to a 3.8 to 36 V supply with a ceramic capacitor placed very close to it (pins 8 and 9 are both VIN)."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input for the control circuits and drain of the internal high-side N-channel MOSFET; connect to a 3.8 to 36 V supply with a ceramic capacitor placed very close to it (pins 8 and 9 are both VIN)."
      },
      {
        "number": "10",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap capacitor connection; connect a 100 nF capacitor from this pin to SW, and a series BOOT resistor is not recommended."
      },
      {
        "number": "11",
        "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-sonnet-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 (PAD) appears in the EJ pinout diagram but has no pin number or description ; The datasheet does not give the 3x3 mm body size in the text provided. The package is identified onl"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0981,
        "at": "2026-10-30T11:50:39"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f9bb1e74a207ffa00a818db984c1ca73.pdf",
        "pages": 20,
        "sha256": "fde98db0c4328c8c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "a8586kejtr-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a8586kejtr-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "62e1d79c1ca1071fc3f90bd214fa1597c9cebf7e35b8847ced520547d0f6c5a1",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "EJ",
      "source_page": 18,
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "a8586kejtr-t.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}