TPS3839

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps3839",
  "title": "TPS3839",
  "brief": "TI ultralow-power voltage supervisor, SOT-23. 150 nA, push-pull active-low RESET, VDD 0.9-6.5 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "supervisor",
    "reset-ic",
    "voltage-monitor",
    "sot-23",
    "texas-instruments"
  ],
  "component": {
    "mpn": "TPS3839",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management",
    "subcategory": "Voltage supervisor / reset IC",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps3839.pdf",
    "parts": {
      "symbol": "tps3839.kicad_sym",
      "footprint": "tps3839.kicad_mod",
      "model_3d": "tps3839-etched.glb",
      "model_3d_plain": "tps3839.glb",
      "lbr": "tps3839.lbr",
      "model_3d_step": "tps3839-etched.step",
      "model_3d_step_plain": "tps3839.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the supervisor. Connect to the system ground plane."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low reset output with push-pull drive; capable of directly driving input pins. RESET is asserted low whenever VDD is below the factory-trimmed threshold voltage and remains low for the reset delay (t_d = 200 ms typ) after VDD rises above the threshold plus hysteresis. Absolute maximum RESET pin current is +/-10 mA."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply voltage, 0.9 V to 6.5 V (absolute max 7 V). Bypass to GND with a 0.1 uF ceramic capacitor placed close to the device. Supply current is 150 nA typical."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps3839.pdf",
        "pages": 35,
        "sha256": "5f9a9581d1b8df7f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps3839.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps3839-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b90a5981786b9e375650e50a92e36e01251b1598502a71a37cbb214a791f71c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Voltage supervisor / reset IC",
      "Quiescent current": "150 nA typ (ultralow power)",
      "Supply (VDD)": "0.9-6.5 V (abs max 7 V)",
      "RESET output": "Active-low, push-pull",
      "Threshold": "Fixed (factory-set option)",
      "External parts": "None required",
      "Package": "SOT-23-3",
      "Body (L×W×H)": "2.9 × 1.3 × 1.1 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps3839",
    "voltage supervisor",
    "reset ic",
    "brownout detector"
  ],
  "discovery_pitch": "TI TPS3839 ultralow-power voltage supervisor / reset IC (SOT-23) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps3839.kicad_sym",
    "tps3839.kicad_mod",
    "tps3839.glb",
    "tps3839.lbr",
    "docs/hero.png",
    "docs/tps3839-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps3839-etched.step"
  ],
  "variants": [
    {
      "mpn": "TPS3839xxxDBVR (SOT-23, tape & reel)",
      "kind": "packaging"
    }
  ]
}