DRV103U

{
  "slug": "drv103u",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Distribution Switches, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "drv103u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv103u.kicad_sym",
    "drv103u.kicad_mod",
    "drv103u.glb",
    "drv103u.step",
    "drv103u.lbr",
    "docs/hero.png",
    "docs/drv103u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DRV103U",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv103",
    "parts": {
      "symbol": "drv103u.kicad_sym",
      "footprint": "drv103u.kicad_mod",
      "model_3d": "drv103u-etched.glb",
      "model_3d_plain": "drv103u.glb",
      "model_3d_step": "drv103u-etched.step",
      "model_3d_step_plain": "drv103u.step",
      "lbr": "drv103u.lbr"
    },
    "distributor_links": {
      "lcsc": "C1879940"
    },
    "pins": [
      {
        "number": "1",
        "name": "DUTY CYCLE ADJ",
        "type": "passive",
        "description": "Connects internally to a comparator input and a 2.75×IREF current source from VS; a resistor, analog voltage, or D/A output from 1.3V to 3.9V sets PWM duty cycle from about 10% (1.5V) to 90% (3.56V)."
      },
      {
        "number": "2",
        "name": "DELAY ADJ",
        "type": "passive",
        "description": "Sets the initial 100% duty-cycle (DC) time before PWM mode begins via an external capacitor to ground; internally driven by a 3µA current source from VS into a 2.6V threshold comparator, floating gives ~18µs delay and tying to +5V gives <1µs delay."
      },
      {
        "number": "3",
        "name": "OSC FREQ ADJ",
        "type": "passive",
        "description": "A resistor to ground sets the reference current IREF and programs the internal PWM oscillator frequency over a range of 500Hz to 100kHz."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "System ground return; carries the 0.4mA typical quiescent current plus the full load current when the output DMOS is switched on."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Drain of the low-side power DMOS switch (source grounded), rated up to 1.5A in this SO-8 package, with 0.5Ω typical on-resistance, slew-rate-limited rise/fall and an internal ESD clamp diode (not for use as a flyback diode) to +VS."
      },
      {
        "number": "6",
        "name": "+VS",
        "type": "power_in",
        "description": "Power supply input, operating range +8V to +32V (absolute maximum +40V), must be equal to or greater than the load supply voltage."
      },
      {
        "number": "7",
        "name": "STATUS OK FLAG",
        "type": "output",
        "description": "Open-drain, active-LOW fault flag (normally HIGH) indicating over-temperature or over-current shutdown; requires an external pull-up and can sink up to 10mA (internally current-limited)."
      },
      {
        "number": "8",
        "name": "INPUT",
        "type": "input",
        "description": "TTL-compatible digital control input; a voltage of +2.2V to +5.5V enables the output, 0V to +1.2V disables it, with switching threshold ~1.7V and input current ~10nA; must not be tied directly to +VS."
      }
    ],
    "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-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 27,
        "cost_usd": 0.2603,
        "at": "2026-09-23T18:49:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv103",
        "pages": 27,
        "sha256": "6449d7cec62e2573",
        "source_tier": "lcsc"
      },
      "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": "drv103u.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": "drv103u-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": "90e5bca1f275bbb2b82fe28f2231403b00ef06e97f5fdf4bc3d377515be5f324",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}