CN1185

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  "type": "component",
  "slug": "cn1185",
  "title": "CN1185",
  "brief": "ShangHai Consonance Elec Supervisor and Reset ICs, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "cn1185"
  ],
  "component": {
    "mpn": "CN1185",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/aee7087d202045888bc70872bebb8de2.pdf",
    "parts": {
      "symbol": "cn1185.kicad_sym",
      "footprint": "cn1185.kicad_mod",
      "model_3d": "cn1185-etched.glb",
      "model_3d_plain": "cn1185.glb",
      "model_3d_step": "cn1185-etched.step",
      "model_3d_step_plain": "cn1185.step",
      "lbr": "cn1185.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Comparator 1 negative input. Connect directly to the monitored voltage or via an external resistor divider to set the trip threshold. Typical trip threshold 1.22V or 1.256V depending on CHRG."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Comparator 1 open-drain output. Pulls low (internal NMOS to GND) when IN1 rises above the upper trip threshold; goes high-impedance when IN1 falls below the lower trip threshold. Pull-down current ≥10mA at OUTx=0.3V."
      },
      {
        "number": "3",
        "name": "IN2",
        "type": "input",
        "description": "Comparator 2 negative input. Connect directly to the monitored voltage or via an external resistor divider to set the trip threshold."
      },
      {
        "number": "4",
        "name": "OUT2",
        "type": "output",
        "description": "Comparator 2 open-drain output. Pulls low when IN2 rises above the upper trip threshold; high-impedance when IN2 falls below the lower trip threshold."
      },
      {
        "number": "5",
        "name": "IN3",
        "type": "input",
        "description": "Comparator 3 negative input. Connect directly to the monitored voltage or via an external resistor divider to set the trip threshold."
      },
      {
        "number": "6",
        "name": "OUT3",
        "type": "output",
        "description": "Comparator 3 open-drain output. Pulls low when IN3 rises above the upper trip threshold; high-impedance when IN3 falls below the lower trip threshold."
      },
      {
        "number": "7",
        "name": "IN4",
        "type": "input",
        "description": "Comparator 4 negative input. Connect directly to the monitored voltage or via an external resistor divider to set the trip threshold."
      },
      {
        "number": "8",
        "name": "OUT4",
        "type": "output",
        "description": "Comparator 4 open-drain output. Pulls low when IN4 rises above the upper trip threshold; high-impedance when IN4 falls below the lower trip threshold."
      },
      {
        "number": "9",
        "name": "CHRG",
        "type": "input",
        "description": "Comparator trip-threshold control logic input. High: falling trip threshold typ 1.22V. Low: falling trip threshold typ 1.256V (≈3% higher, for charge-state compensation). Affects all four comparators simultaneously."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "11",
        "name": "HYS1",
        "type": "input",
        "description": "Comparator hysteresis setting logic input (LSB). Together with HYS2 selects hysteresis of 1%, 3%, 6%, or 10% of the falling trip threshold. VIL≤0.6V, VIH≥0.7×VDD."
      },
      {
        "number": "12",
        "name": "HYS2",
        "type": "input",
        "description": "Comparator hysteresis setting logic input (MSB). Together with HYS1 selects hysteresis of 1%, 3%, 6%, or 10% of the falling trip threshold. VIL≤0.6V, VIH≥0.7×VDD."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Negative supply / ground reference."
      },
      {
        "number": "14",
        "name": "BLINK",
        "type": "input",
        "description": "Blink control logic input. When a comparator output is low, CHRG=low, and BLINK=high, that output toggles at ~2Hz (50% duty, ~500ms per state) - used to indicate charging in progress via the LED indicator."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, 2.7V to 6V operating range (absolute max 6.5V). Typical supply current 7.3µA at VDD=3.7V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/aee7087d202045888bc70872bebb8de2.pdf",
        "pages": 10,
        "sha256": "aeec55518128be10",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cn1185-etched.step",
        "role": "eda",
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        "units": "mm",
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        "extents_mm": [
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        "zmin_mm": 0,
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        "sha256": "cdbaedf0fecb70949e3385acde710f1b42246d15326a64e63458b6528f8f6479",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ShangHai Consonance Elec",
      "Package": "TSSOP-16",
      "Category": "PMIC",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "cn1185"
  ],
  "discovery_pitch": "CN1185 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "cn1185.kicad_mod",
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    "cn1185.lbr",
    "docs/hero.png",
    "docs/cn1185-datasheet.pdf",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:19:09.895Z"
}