DRV103H

{
  "slug": "drv103h",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Brushed DC Motor Drivers, SOIC-8-EP. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv103h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv103h.kicad_sym",
    "drv103h.kicad_mod",
    "drv103h.glb",
    "drv103h.step",
    "drv103h.lbr",
    "docs/hero.png",
    "docs/drv103h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DRV103H",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Motor Driver ICs",
    "subcategory": "Brushed DC Motor Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv103",
    "parts": {
      "symbol": "drv103h.kicad_sym",
      "footprint": "drv103h.kicad_mod",
      "model_3d": "drv103h-etched.glb",
      "model_3d_plain": "drv103h.glb",
      "model_3d_step": "drv103h-etched.step",
      "model_3d_step_plain": "drv103h.step",
      "lbr": "drv103h.lbr"
    },
    "distributor_links": {
      "lcsc": "C544418"
    },
    "pins": [
      {
        "number": "1",
        "name": "DUTY CYCLE ADJUST",
        "type": "input",
        "description": "Sets PWM duty cycle via a resistor, analog voltage, or D/A converter output over an active range of 1.3V to 3.9V, connecting internally to a comparator input and a 2.75×IREF current source from VS."
      },
      {
        "number": "2",
        "name": "DELAY ADJUST",
        "type": "input",
        "description": "Sets the duration of the initial 100% duty-cycle (DC) output before switching to PWM mode via an external capacitor to ground, with the pin left floating giving ~18µs delay or tied to 5V giving <1µs delay, and is compared internally to a 2.6V threshold."
      },
      {
        "number": "3",
        "name": "OSC FREQ ADJUST",
        "type": "input",
        "description": "A resistor from this pin to ground sets the internal PWM oscillator frequency, adjustable from 500Hz to 100kHz with practical resistor values."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "System ground return pin that must be connected for the device to function; carries the 0.4mA quiescent current plus the full load current when the output DMOS is on, and is also internally tied to the PowerPAD exposed metal tab (which must not be used as a current-carrying ground)."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Drain of the low-side power DMOS output transistor (source grounded) with 0.5Ω typical on-resistance, slew-rate-limited rise/fall times, and rated up to 3A for the PowerPAD SO-8 (H) package; requires an external flyback diode for inductive loads."
      },
      {
        "number": "6",
        "name": "+VS",
        "type": "power_in",
        "description": "Power supply input pin with an operating range of +8V to +32V (absolute maximum +40V), which must be greater than or equal to the load supply voltage."
      },
      {
        "number": "7",
        "name": "STATUS OK FLAG",
        "type": "output",
        "description": "Active-LOW open-drain fault flag (normally HIGH with external pull-up) that goes LOW (~0.3V) during an over-current or thermal-shutdown fault, capable of sinking up to 10mA typical."
      },
      {
        "number": "8",
        "name": "INPUT",
        "type": "input",
        "description": "TTL-compatible digital control input that enables the output when driven above ~1.7V (2.2V to 5.5V = ON) and disables it when below ~1.2V (0V to 1.2V = OFF); must not be tied directly to VS."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 27,
        "cost_usd": 0.2665,
        "at": "2026-09-23T06:17:47"
      },
      "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": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv103h.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv103h-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a9a89ce2a9136ce3a1c7e4f1473c72ca816104da3eb145e58f6221ddc8a60369",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}