DRV8703QRHBRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8703qrhbrq1",
  "title": "DRV8703QRHBRQ1",
  "brief": "Texas Instruments Motor Driver ICs, QFN-32-EP(5x5). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "drv8703qrhbrq1"
  ],
  "component": {
    "mpn": "DRV8703QRHBRQ1",
    "manufacturer": "Texas Instruments",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://www.ti.com/cn/lit/ds/symlink/drv8702-q1.pdf",
    "parts": {
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      "footprint": "drv8703qrhbrq1.kicad_mod",
      "model_3d": "drv8703qrhbrq1-etched.glb",
      "model_3d_plain": "drv8703qrhbrq1.glb",
      "model_3d_step": "drv8703qrhbrq1-etched.step",
      "model_3d_step_plain": "drv8703qrhbrq1.step",
      "lbr": "drv8703qrhbrq1.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Connect this pin to system ground."
      },
      {
        "number": "2",
        "name": "IN1/PH",
        "type": "input",
        "description": "Input control pin. Logic depends on the MODE pin setting (IN1 in PWM/independent modes, PH in PH/EN mode). Has an internal pull-down resistor."
      },
      {
        "number": "3",
        "name": "IN2/EN",
        "type": "input",
        "description": "Input control pin. Logic depends on the MODE pin setting (IN2 in PWM/independent modes, EN in PH/EN mode). Has an internal pull-down resistor."
      },
      {
        "number": "4",
        "name": "SDO",
        "type": "output",
        "description": "SPI data output (open-drain). Requires an external pull-up resistor."
      },
      {
        "number": "5",
        "name": "nSCS",
        "type": "input",
        "description": "SPI chip-select input, active low. Selects and enables the SPI interface."
      },
      {
        "number": "6",
        "name": "SDI",
        "type": "input",
        "description": "SPI data input. Has an internal pull-down resistor."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock input. Has an internal pull-down resistor."
      },
      {
        "number": "8",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input, active low. Pulling low puts the device into low-power sleep with FET outputs Hi-Z. Has an internal pull-down resistor."
      },
      {
        "number": "9",
        "name": "nWDFLT",
        "type": "output",
        "description": "Watchdog fault indicator (open-drain). Pulled low when a watchdog fault occurs; requires an external pull-up resistor."
      },
      {
        "number": "10",
        "name": "nFAULT",
        "type": "output",
        "description": "Fault indicator (open-drain). Pulled low on any fault condition; requires an external pull-up resistor."
      },
      {
        "number": "11",
        "name": "MODE",
        "type": "input",
        "description": "Mode control pin. Low selects H-bridge operation; high selects independent half-bridge operation. Connected to an internal resistor divider with internal pull-up and pull-down; latched at power-up or on wake from sleep."
      },
      {
        "number": "12",
        "name": "DVDD",
        "type": "power_out",
        "description": "Internal 3.3 V logic regulator output. Bypass to GND with a 6.3 V, 1 µF ceramic capacitor."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Connect this pin to system ground."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_out",
        "description": "Internal 5 V analog regulator output. Bypass to GND with a 6.3 V, 1 µF ceramic capacitor."
      },
      {
        "number": "15",
        "name": "VREF",
        "type": "input",
        "description": "Current-set reference input. Voltage on this pin sets the chopping current threshold (0.3 V to 3.6 V recommended)."
      },
      {
        "number": "16",
        "name": "SO",
        "type": "output",
        "description": "Shunt amplifier output. VSO = VSP × AV + offset. Do not place more than 1 nF of capacitance on this pin; max 5 mA load."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Connect this pin to system ground."
      },
      {
        "number": "18",
        "name": "GH1",
        "type": "output",
        "description": "High-side gate drive output for H-bridge 1. Connect to the gate of the high-side external N-channel MOSFET."
      },
      {
        "number": "19",
        "name": "SH1",
        "type": "input",
        "description": "High-side source sense for H-bridge 1. Connect to the source of the high-side external N-channel MOSFET (phase node)."
      },
      {
        "number": "20",
        "name": "GL1",
        "type": "output",
        "description": "Low-side gate drive output for H-bridge 1. Connect to the gate of the low-side external N-channel MOSFET."
      },
      {
        "number": "21",
        "name": "SP",
        "type": "input",
        "description": "Shunt amplifier positive input. Connect to the current-sense resistor."
      },
      {
        "number": "22",
        "name": "SN",
        "type": "input",
        "description": "Shunt amplifier negative input. Connect to the current-sense resistor."
      },
      {
        "number": "23",
        "name": "SL2",
        "type": "input",
        "description": "Low-side source sense for H-bridge 2. Connect to the source of the low-side external N-channel MOSFET."
      },
      {
        "number": "24",
        "name": "GL2",
        "type": "output",
        "description": "Low-side gate drive output for H-bridge 2. Connect to the gate of the low-side external N-channel MOSFET."
      },
      {
        "number": "25",
        "name": "SH2",
        "type": "input",
        "description": "High-side source sense for H-bridge 2. Connect to the source of the high-side external N-channel MOSFET (phase node)."
      },
      {
        "number": "26",
        "name": "GH2",
        "type": "output",
        "description": "High-side gate drive output for H-bridge 2. Connect to the gate of the high-side external N-channel MOSFET."
      },
      {
        "number": "27",
        "name": "VDRAIN",
        "type": "input",
        "description": "High-side FET drain sense. Shared by both H-bridges; connects to the drains of the high-side external MOSFETs."
      },
      {
        "number": "28",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply input, 5.5 V to 45 V. Bypass to GND with a 0.1 µF ceramic capacitor and a minimum 10 µF bulk capacitor."
      },
      {
        "number": "29",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output. Connect a 16 V, 1 µF ceramic capacitor between this pin and VM."
      },
      {
        "number": "30",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump switching node (positive). Connect a 0.1 µF X7R capacitor rated for VM between CPH and CPL."
      },
      {
        "number": "31",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump switching node (negative). Connect a 0.1 µF X7R capacitor rated for VM between CPH and CPL."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. No internal connection; leave floating or tie to GND."
      },
      {
        "number": "33",
        "name": "PAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the package. Must be connected to system ground for electrical return and thermal dissipation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/ds/symlink/drv8702-q1.pdf",
        "pages": 63,
        "sha256": "ab99f0978331e55f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "checked": "2026-10-07",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFN-32-EP(5x5)",
      "Category": "Power Supply Chip",
      "Pins": "33"
    }
  },
  "variants": [
    {
      "mpn": "DRV8703QRHBRQ1",
      "kind": "packaging"
    },
    {
      "mpn": "DRV8703-Q1 RHB",
      "kind": "unknown"
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  "discovery_pitch": "DRV8703QRHBRQ1 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "updated_at": "2026-09-24T20:00:37.853Z"
}