MAX6303ESA+

{
  "slug": "max6303esa",
  "version": "0.1.0",
  "type": "component",
  "description": "Maxim Integrated Monitors & Reset Circuits, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "max6303esa+",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max6303esa.kicad_sym",
    "max6303esa.kicad_mod",
    "max6303esa.glb",
    "max6303esa.step",
    "max6303esa.lbr",
    "docs/hero.png",
    "docs/max6303esa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max6303esa-hero.glb",
    "max6303esa-hero.overlay.json",
    "max6303esa-etched.glb"
  ],
  "component": {
    "mpn": "MAX6303ESA+",
    "manufacturer": "Maxim Integrated",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max6301-max6304.pdf",
    "parts": {
      "symbol": "max6303esa.kicad_sym",
      "footprint": "max6303esa.kicad_mod",
      "model_3d": "max6303esa-hero.glb",
      "model_3d_plain": "max6303esa-etched.glb",
      "model_3d_step": "max6303esa-etched.step",
      "model_3d_step_plain": "max6303esa.step",
      "lbr": "max6303esa.lbr"
    },
    "distributor_links": {
      "lcsc": "C1353970",
      "digikey": "MAX6303ESA+-ND",
      "mouser": "700-MAX6303ESA"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T01:20:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX6303ESA+-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX6303ESA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RESET IN",
        "type": "input",
        "description": "High-impedance input to the reset comparator, connected to the center of an external resistor divider so that VRST = 1.22 x (R1 + R2)/R2 sets the reset threshold."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "SRT",
        "type": "passive",
        "description": "Set reset-timeout input; a capacitor to ground sets tRP = 2.67 x CSRT (CSRT in pF, tRP in µs), and the pin is a precision 500nA timing node that requires a capacitor with leakage below 10nA."
      },
      {
        "number": "4",
        "name": "SWT",
        "type": "passive",
        "description": "Set watchdog-timeout input; a capacitor to ground sets the basic timeout tWD = 2.67 x CSWT (CSWT in pF, tWD in µs), and tying this pin to ground disables the watchdog."
      },
      {
        "number": "5",
        "name": "WDS",
        "type": "input",
        "description": "Watchdog-select input: GND selects normal mode with the basic timeout, VCC selects extended mode that multiplies the timeout by 500, and any change of state resets the watchdog timer to zero."
      },
      {
        "number": "6",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog input: a rising or falling transition must occur within the selected timeout period or a reset pulse is issued, and in normal mode WDI is a high-impedance CMOS input that must not be left unconnected."
      },
      {
        "number": "7",
        "name": "RESET",
        "type": "output",
        "description": "Push-pull, active-low reset output on the MAX6303 that goes low when the monitored voltage falls below VRST and remains low for the reset timeout after VIN exceeds VRST or after a watchdog timeout, with VOL of 0.4V maximum at 3.2mA for VCC ≥ 4.5V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, specified from 1.20V minimum to 5.50V maximum for the MAX6303E, and should be bypassed to ground with a 0.1µF capacitor placed as close as possible to the pin."
      }
    ],
    "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 datasheet calls SRT and SWT inputs, but they are precision current sources that charge external ; The overbar on RESET was lost in text extraction. The MAX6303 is active-low, as the selector guide a; The Pin Configuration figure text is scrambled in the extraction. The pin mapping was taken from the"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0722,
        "at": "2026-10-29T01:20:29"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max6301-max6304.pdf",
        "pages": 12,
        "sha256": "599e498038959b58",
        "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": "max6303esa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max6303esa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "eb8047c6d1a3c17a485c8bb9015fb63b19a96884e9f18bf539d541458de4c0f1",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}