CN825S

{
  "schema_version": 1,
  "type": "component",
  "slug": "cn825s",
  "title": "CN825S",
  "brief": "ShangHai Consonance Elec Supervisor and Reset ICs, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "cn825s"
  ],
  "component": {
    "mpn": "CN825S",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2206131630_ShangHai-Consonance-Elec-CN825S_C3034869.pdf",
    "parts": {
      "symbol": "cn825s.kicad_sym",
      "footprint": "cn825s.kicad_mod",
      "model_3d": "cn825s-etched.glb",
      "model_3d_plain": "cn825s.glb",
      "model_3d_step": "cn825s-etched.step",
      "model_3d_step_plain": "cn825s.step",
      "lbr": "cn825s.lbr"
    },
    "distributor_links": {
      "lcsc": "C3034869"
    },
    "pins": [
      {
        "number": "1",
        "name": "MR",
        "type": "input",
        "description": "Active-low manual reset input. Pulling MR low triggers a reset pulse. Internally pulled up to VCC through a 50kΩ resistor (38-62kΩ), so the pin may be left floating, driven by CMOS logic, or driven by open-drain/open-collector output. Minimum pulse width 1µs; MR-to-reset delay 500ns typ."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply return for the IC."
      },
      {
        "number": "3",
        "name": "/RESET",
        "type": "output",
        "description": "Active-low reset output. Driven low when VCC falls below the reset threshold (2.93V typ for CN825S), when MR is low, or when the watchdog timer overflows. After the fault clears, /RESET remains low for at least 140ms (200ms typ) before returning high. Guaranteed valid down to VCC = 1.1V. VOL ≤ 0.3V @ ISINK=3.2mA; VOH ≥ VCC−1V @ ISOURCE=1mA."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input; also the monitored voltage compared against the internal reset threshold. Operating range 1.1V to 6.5V, absolute max 6.5V. Supply current ≈2.7µA below the reset threshold, ≈16µA above."
      },
      {
        "number": "5",
        "name": "RESET",
        "type": "output",
        "description": "Active-high reset output. Driven high when VCC is below the reset threshold, when MR is low, or when the watchdog overflows. After the fault clears, RESET remains high for at least 140ms (200ms typ) before returning low. VOH ≥ VCC−1V @ ISOURCE=1mA; VOL ≤ 0.3V @ ISINK=3.2mA."
      },
      {
        "number": "6",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog input. Must transition (high-to-low or low-to-high) at least once every 1.6s (typ; 0.95s min, 2.25s max) or the watchdog overflows and asserts both reset outputs for ≥140ms. Minimum edge pulse width 50ns. Input leakage ±50nA. Logic thresholds VIL ≤ 0.25*VCC, VIH ≥ 0.75*VCC."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2206131630_ShangHai-Consonance-Elec-CN825S_C3034869.pdf",
        "pages": 9,
        "sha256": "4c8e82b7435776f0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "cn825s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cn825s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f51d19572fe61e18b6813e2ec420b73c158edaa1e62cf2d099fdc0d44b1e071c",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ShangHai Consonance Elec",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cn825s"
  ],
  "discovery_pitch": "CN825S (ShangHai Consonance Elec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cn825s.kicad_sym",
    "cn825s.kicad_mod",
    "cn825s.glb",
    "cn825s.step",
    "cn825s-etched.step",
    "cn825s.lbr",
    "docs/hero.png",
    "docs/cn825s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CN825SS",
      "kind": "packaging"
    },
    {
      "mpn": "CN825SR",
      "kind": "packaging"
    },
    {
      "mpn": "CN825SZ",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:25:24.150Z"
}