TPS3852H33DRBR

{
  "slug": "tps3852h33drbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Supervisor And Reset ICs, SON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps3852h33drbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps3852h33drbr.kicad_sym",
    "tps3852h33drbr.kicad_mod",
    "tps3852h33drbr.glb",
    "tps3852h33drbr.step",
    "tps3852h33drbr.lbr",
    "docs/hero.png",
    "docs/tps3852h33drbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps3852h33drbr-hero.glb",
    "tps3852h33drbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS3852H33DRBR",
    "manufacturer": "Texas Instruments",
    "package": "SON-8-EP(3x3)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps3852",
    "parts": {
      "symbol": "tps3852h33drbr.kicad_sym",
      "footprint": "tps3852h33drbr.kicad_mod",
      "model_3d": "tps3852h33drbr-hero.glb",
      "model_3d_plain": "tps3852h33drbr.glb",
      "model_3d_step": "tps3852h33drbr-etched.step",
      "model_3d_step_plain": "tps3852h33drbr.step",
      "lbr": "tps3852h33drbr.lbr"
    },
    "distributor_links": {
      "lcsc": 2066812,
      "digikey": "296-51965-2-ND",
      "mouser": "595-TPS3852H33DRBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T02:34:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-51965-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS3852H33DRBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input with recommended operating range of 1.6 V to 6.5 V; 0.1-μF bypass capacitor recommended for noisy systems."
      },
      {
        "number": "2",
        "name": "CWD",
        "type": "input",
        "description": "Programmable watchdog timeout input; connect external timing capacitor (0.1 nF to 1000 nF) to GND, or 10-kΩ resistor to VDD, or leave unconnected to select preset watchdog timeouts."
      },
      {
        "number": "3",
        "name": "MR",
        "type": "input",
        "description": "Manual reset input with internal pull-up to VDD; logical low asserts RESET output for fixed reset delay (tRST)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection pin (0 V reference)."
      },
      {
        "number": "5",
        "name": "SET1",
        "type": "input",
        "description": "Watchdog disable logic input; grounding this pin disables the watchdog timer."
      },
      {
        "number": "6",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog input requiring falling-edge transition between lower window boundary (tWDL max) and upper window boundary (tWDU min) to prevent watchdog timeout assertion."
      },
      {
        "number": "7",
        "name": "WDO",
        "type": "output",
        "description": "Open-drain watchdog output that asserts low when watchdog timeout occurs (only when RESET is high) for reset delay period (tRST); connect via 1-kΩ to 100-kΩ pull-up resistor to desired voltage rail."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain reset output that asserts low when VDD falls below undervoltage threshold (VITN) or during power-on-reset; connect via 1-kΩ to 100-kΩ pull-up resistor to desired pullup voltage rail."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Thermal pad (exposed pad) present in SON-8-EP package but not assigned a pin number in datasheet; in",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0865,
        "at": "2026-10-03T02:33:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps3852",
        "pages": 31,
        "sha256": "e15c9895ef25fff7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}