STM6822SWY6F

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  "type": "component",
  "slug": "stm6822swy6f",
  "title": "STM6822SWY6F",
  "brief": "STMicroelectronics Supervisor and Reset ICs, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
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  "component": {
    "mpn": "STM6822SWY6F",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm6822swy6f.pdf",
    "parts": {
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      "lbr": "stm6822swy6f.lbr"
    },
    "distributor_links": {
      "lcsc": "C155604"
    },
    "pins": [
      {
        "number": "1",
        "name": "RST",
        "type": "output",
        "description": "Active-low, open-drain reset output (nRST). Pulses low when triggered and stays low while VCC is below the reset threshold or MR is low; remains low for t_rec (240 ms typ.) after the fault clears. Requires an external pull-up resistor to any supply voltage up to 6 V (10 kΩ typical)."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V) for the supervisor."
      },
      {
        "number": "3",
        "name": "MR",
        "type": "input",
        "description": "Active-low push-button (manual) reset input (nMR). A logic low asserts the reset output; reset stays asserted while MR is low and for t_rec after MR returns high. Contains an internal ~52 kΩ pull-up, so it may be driven by TTL/CMOS logic or shorted to ground via a switch; leave open if unused."
      },
      {
        "number": "4",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog input. If WDI stays high or low for at least 1.6 s (typ.) the internal watchdog expires and reset is asserted. The internal timer clears on any rising or falling edge while reset is not asserted. The watchdog can be disabled by leaving WDI unconnected or driving it from a tri-state buffer output."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, monitored by the internal comparator against the precision reset threshold (V_RST). Decouple with a 0.1 µF capacitor to VSS. Reset assertion is guaranteed valid down to VCC = 1.0 V."
      }
    ],
    "provenance": {
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      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm6822swy6f.pdf",
        "pages": 31,
        "sha256": "ba50f0fd6706f830",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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    "pin1": {
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        "seat": "z = 0",
        "extents_mm": [
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          2.9,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
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  "discovery_pitch": "STM6822SWY6F (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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  "description": "STMicroelectronics Supervisor and Reset ICs, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "variants": [
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      "mpn": "STM6822SWY6F",
      "kind": "packaging"
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  "updated_at": "2026-09-25T08:56:10.553Z"
}