BQ32002DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq32002dr",
  "title": "BQ32002DR",
  "brief": "Texas Instruments Real-time Clocks (RTC), SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rtc",
    "bq32002dr"
  ],
  "component": {
    "mpn": "BQ32002DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "RTC",
    "subcategory": "Real-time Clocks (RTC)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq32002.pdf",
    "parts": {
      "symbol": "bq32002dr.kicad_sym",
      "footprint": "bq32002dr.kicad_mod",
      "model_3d": "bq32002dr-etched.glb",
      "model_3d_plain": "bq32002dr.glb",
      "model_3d_step": "bq32002dr-etched.step",
      "model_3d_step_plain": "bq32002dr.step",
      "lbr": "bq32002dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "Oscillator input. Connect one terminal of the 32.768-kHz crystal here (CL = 12 pF, Rs up to 70 kOhm)."
      },
      {
        "number": "2",
        "name": "OSCO",
        "type": "output",
        "description": "Oscillator output. Connect the other terminal of the 32.768-kHz crystal here."
      },
      {
        "number": "3",
        "name": "VBACK",
        "type": "power_in",
        "description": "Backup device power input. Connect to a capacitor or non-rechargeable battery. Switchover threshold is 1.8 V (operating->backup) and 2.4 V (backup->operating)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line. Open-drain; requires an external pull-up to VCC (typ. 4.7 kOhm). Supports standard mode (100 kHz) and fast mode (400 kHz)."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial interface clock input. Requires an external pull-up to VCC (typ. 4.7 kOhm). Supports up to 400 kHz."
      },
      {
        "number": "7",
        "name": "IRQ",
        "type": "output",
        "description": "Configurable interrupt/frequency test output. Open-drain, requires external pull-up to VCC (typ. 4.7 kOhm). Configurable via FT/FTF/OUT bits as 1 Hz, 512 Hz, or static level. Must be tied to VCC when unused to prevent IRQ operation on backup supply."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Main device power supply, 3.0 to 3.6 V nominal (absolute max 4 V). Place a 1 uF decoupling capacitor near the pin. ICC typ. 65 uA, max 200 uA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq32002.pdf",
        "pages": 30,
        "sha256": "8f78331d8f0834e7",
        "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": "bq32002dr.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq32002dr-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": "15649b3a5a35fdd6c38dfc0a850a094c00acce73b58c6d521fd7fea4ad5ad631",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "RTC",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "BQ32002DR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bq32002dr"
  ],
  "discovery_pitch": "BQ32002DR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq32002dr.kicad_sym",
    "bq32002dr.kicad_mod",
    "bq32002dr.glb",
    "bq32002dr.step",
    "bq32002dr.lbr",
    "docs/hero.png",
    "docs/bq32002dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:04:45.763Z"
}