CN825Z

{
  "schema_version": 1,
  "type": "component",
  "slug": "cn825z",
  "title": "CN825Z",
  "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",
    "cn825z"
  ],
  "component": {
    "mpn": "CN825Z",
    "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-CN825Z_C3034870.pdf",
    "parts": {
      "symbol": "cn825z.kicad_sym",
      "footprint": "cn825z.kicad_mod",
      "model_3d": "cn825z-etched.glb",
      "model_3d_plain": "cn825z.glb",
      "model_3d_step": "cn825z-etched.step",
      "model_3d_step_plain": "cn825z.step",
      "lbr": "cn825z.lbr"
    },
    "distributor_links": {
      "lcsc": "C3034870"
    },
    "pins": [
      {
        "number": "1",
        "name": "/MR",
        "type": "input",
        "description": "Manual reset input, active-low. Pulling this pin low triggers a reset pulse on both RESET outputs. Internally pulled up to VCC via 50 kΩ (38-62 kΩ), so it may be left floating when unused. Can be driven by CMOS, open-drain, or open-collector; a contact switch to GND is sufficient (no external debounce needed). /MR pulse width min 1 µs; /MR-to-reset delay max 500 ns."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply return."
      },
      {
        "number": "3",
        "name": "/RESET",
        "type": "output",
        "description": "Active-low reset output. Driven low whenever VCC is below the reset threshold (2.32V typ. for CN825Z), /MR is low, or the watchdog timer overflows. Once the fault clears, /RESET remains low for at least 140 ms (200 ms typ.) before releasing high. VOL=0.3V max at ISINK=3.2 mA; guaranteed valid down to VCC=1.1V (VOL=0.3V max at ISINK=150 µA)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input; also the monitored voltage. Operating range 1.1V to 6.5V (abs-max 6.5V). Continuously compared against the internal 2.32V reset threshold (CN825Z, ±1%). Supply current 2.7 µA typ. below threshold, 16 µA typ. above threshold."
      },
      {
        "number": "5",
        "name": "RESET",
        "type": "output",
        "description": "Active-high reset output. Driven high whenever VCC is below the reset threshold, /MR is low, or the watchdog timer overflows. Once the fault clears, RESET stays high for at least 140 ms (200 ms typ.) before returning low. VOH=VCC-1V min at ISOURCE=1 mA; guaranteed valid down to VCC=1.1V (VOH=1.0V at ISOURCE=8 µA)."
      },
      {
        "number": "6",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog input. Must toggle (high-to-low or low-to-high) within the watchdog timeout (0.95 s min, 1.6 s typ., 2.25 s max) or the watchdog overflows and asserts reset on both outputs. Minimum WDI pulse width 50 ns; input leakage ±50 nA; thresholds 0.25*VCC (low) / 0.75*VCC (high). Watchdog is held cleared while VCC is below threshold or /MR is low."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2206131630_ShangHai-Consonance-Elec-CN825Z_C3034870.pdf",
        "pages": 9,
        "sha256": "6dcd964d13498315",
        "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": "cn825z.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": "cn825z-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": "40532cc5eba33bac3d6c527b2efc32474ee2ba4c56bde4b0b2a0211d2ffb63dd",
        "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": [
    "cn825z"
  ],
  "discovery_pitch": "CN825Z (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",
    "cn825z.kicad_sym",
    "cn825z.kicad_mod",
    "cn825z.glb",
    "cn825z.step",
    "cn825z-etched.step",
    "cn825z.lbr",
    "docs/hero.png",
    "docs/cn825z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CN825Z",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:25:32.529Z"
}