TPS3840DL46DBVR

{
  "slug": "tps3840dl46dbvr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Supervisor And Reset ICs, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps3840dl46dbvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps3840dl46dbvr.kicad_sym",
    "tps3840dl46dbvr.kicad_mod",
    "tps3840dl46dbvr.glb",
    "tps3840dl46dbvr.step",
    "tps3840dl46dbvr.lbr",
    "docs/hero.png",
    "docs/tps3840dl46dbvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TPS3840DL46DBVR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps3840",
    "parts": {
      "symbol": "tps3840dl46dbvr.kicad_sym",
      "footprint": "tps3840dl46dbvr.kicad_mod",
      "model_3d": "tps3840dl46dbvr-etched.glb",
      "model_3d_plain": "tps3840dl46dbvr.glb",
      "model_3d_step": "tps3840dl46dbvr-etched.step",
      "model_3d_step_plain": "tps3840dl46dbvr.step",
      "lbr": "tps3840dl46dbvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C1852125",
      "digikey": "296-TPS3840DL46DBVRTR-ND",
      "mouser": "595-TPS3840DL46DBVR"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T20:21:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS3840DL46DBVRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TPS3840DL46DBVR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RESET",
        "type": "tri_state",
        "description": "Open-drain active-low reset output; asserted to logic low when MR is pulled low or VDD drops below negative voltage threshold VIT- (4.6 V); released to logic high after reset delay time tD when MR returns to floating/high and VDD rises above VIT+ (4.8 V nominal)."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Input power supply voltage (1.5 V to 10 V nominal); internally monitored by TPS3840 for voltage supervision and threshold comparison."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "4",
        "name": "MR",
        "type": "input",
        "description": "Active-low manual reset input; pull below 600 mV (VMR_L) to assert reset output; release or drive above 0.7\u00d7VDD (VMR_H) for normal operation; can be left floating when not used due to internal 100 k\u03a9 pull-up."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Capacitor timing terminal for user-programmable reset delay time; connect external capacitor (0 to 10 \u00b5F) between CT and GND to set tD from 50 \u00b5s minimum (no capacitor) to 6.2 s (10 \u00b5F); leave floating for 50 \u00b5s fixed delay."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: CT pin type marked as passive for capacitor connection; confirm this matches intended use as RC timi; MR pin described with optional floating state and can act as NC (no connection); function complete w"
        ],
        "pages_sent": 50,
        "cost_usd": 0.4866,
        "at": "2026-09-26T20:20:52"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps3840",
        "pages": 50,
        "sha256": "f1b5f7713745f4db",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}