DRV8323RHRGZR

{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8323rhrgzr",
  "title": "DRV8323RHRGZR",
  "brief": "Texas Instruments Gate Drivers, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "motor driver ics",
    "drv8323rhrgzr",
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  "component": {
    "mpn": "DRV8323RHRGZR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8323r",
    "parts": {
      "symbol": "drv8323rhrgzr.kicad_sym",
      "footprint": "drv8323rhrgzr.kicad_mod",
      "model_3d": "drv8323rhrgzr-etched.glb",
      "model_3d_plain": "drv8323rhrgzr.glb",
      "model_3d_step": "drv8323rhrgzr-etched.step",
      "model_3d_step_plain": "drv8323rhrgzr.step",
      "lbr": "drv8323rhrgzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C543035"
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Buck regulator feedback input; a resistor divider from the buck inductor output sets the buck output voltage."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Device power ground; also serves as the low-side MOSFET gate-drive return path; must be externally connected to AGND and BGND."
      },
      {
        "number": "3",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump negative switching node; connect an X5R or X7R, 47nF, VM-rated ceramic flying capacitor between CPH and CPL."
      },
      {
        "number": "4",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump positive switching node; connect an X5R or X7R, 47nF, VM-rated ceramic flying capacitor between CPH and CPL."
      },
      {
        "number": "5",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output; connect an X5R or X7R, 1µF, 25V ceramic capacitor between VCP and VM."
      },
      {
        "number": "6",
        "name": "VM",
        "type": "power_in",
        "description": "Gate driver power supply input; connect to the motor supply and VDRAIN; bypass with an X5R/X7R 0.1µF VM-rated capacitor and a ≥10µF VM-rated bulk capacitor to PGND."
      },
      {
        "number": "7",
        "name": "VDRAIN",
        "type": "input",
        "description": "High-side MOSFET drain sense input; connect to the common drain node of the high-side MOSFETs; this pin is an input to the VDS monitor."
      },
      {
        "number": "8",
        "name": "GHA",
        "type": "output",
        "description": "High-side gate driver output (phase A); connect to the gate of the high-side power MOSFET."
      },
      {
        "number": "9",
        "name": "SHA",
        "type": "bidirectional",
        "description": "High-side source pin (phase A); connects to the high-side power MOSFET source; input to the VDS monitor and sink-current output for the high-side gate driver."
      },
      {
        "number": "10",
        "name": "GLA",
        "type": "output",
        "description": "Low-side gate driver output (phase A); connect to the gate of the low-side power MOSFET."
      },
      {
        "number": "11",
        "name": "SPA",
        "type": "input",
        "description": "Low-side shunt amplifier input (phase A); VDS also monitors this as the low-side MOSFET negative input; connects to the low-side MOSFET source and the high side of the current-shunt resistor; connect to SNA if the CSA is unused."
      },
      {
        "number": "12",
        "name": "SNA",
        "type": "input",
        "description": "Current sense amplifier input (phase A); connects to the low side of the current sense resistor; connect to PGND if the CSA is unused."
      },
      {
        "number": "13",
        "name": "SNB",
        "type": "input",
        "description": "Current sense amplifier input (phase B); connects to the low side of the current sense resistor; connect to PGND if the CSA is unused."
      },
      {
        "number": "14",
        "name": "SPB",
        "type": "input",
        "description": "Low-side shunt amplifier input (phase B); VDS also monitors this as the low-side MOSFET negative input; connects to the low-side MOSFET source and the high side of the current-shunt resistor; connect to SNB if the CSA is unused."
      },
      {
        "number": "15",
        "name": "GLB",
        "type": "output",
        "description": "Low-side gate driver output (phase B); connect to the gate of the low-side power MOSFET."
      },
      {
        "number": "16",
        "name": "SHB",
        "type": "bidirectional",
        "description": "High-side source pin (phase B); connects to the high-side power MOSFET source; input to the VDS monitor and sink-current output for the high-side gate driver."
      },
      {
        "number": "17",
        "name": "GHB",
        "type": "output",
        "description": "High-side gate driver output (phase B); connect to the gate of the high-side power MOSFET."
      },
      {
        "number": "18",
        "name": "GHC",
        "type": "output",
        "description": "High-side gate driver output (phase C); connect to the gate of the high-side power MOSFET."
      },
      {
        "number": "19",
        "name": "SHC",
        "type": "bidirectional",
        "description": "High-side source pin (phase C); connects to the high-side power MOSFET source; input to the VDS monitor and sink-current output for the high-side gate driver."
      },
      {
        "number": "20",
        "name": "GLC",
        "type": "output",
        "description": "Low-side gate driver output (phase C); connect to the gate of the low-side power MOSFET."
      },
      {
        "number": "21",
        "name": "SPC",
        "type": "input",
        "description": "Low-side shunt amplifier input (phase C); VDS also monitors this as the low-side MOSFET negative input; connects to the low-side MOSFET source and the high side of the current-shunt resistor; connect to SNC if the CSA is unused."
      },
      {
        "number": "22",
        "name": "SNC",
        "type": "input",
        "description": "Current sense amplifier input (phase C); connects to the low side of the current sense resistor; connect to PGND if the CSA is unused."
      },
      {
        "number": "23",
        "name": "SOC",
        "type": "output",
        "description": "Current sense amplifier output (phase C); leave this pin unconnected if the CSA is unused."
      },
      {
        "number": "24",
        "name": "SOB",
        "type": "output",
        "description": "Current sense amplifier output (phase B); leave this pin unconnected if the CSA is unused."
      },
      {
        "number": "25",
        "name": "SOA",
        "type": "output",
        "description": "Current sense amplifier output (phase A); leave this pin unconnected if the CSA is unused."
      },
      {
        "number": "26",
        "name": "VREF",
        "type": "power_in",
        "description": "Current sense amplifier power input and reference; connect an X5R or X7R, 0.1µF, 6.3V ceramic capacitor between VREF and AGND."
      },
      {
        "number": "27",
        "name": "DGND",
        "type": "power_in",
        "description": "Device ground; connect to system ground."
      },
      {
        "number": "28",
        "name": "nFAULT",
        "type": "output",
        "description": "Fault indicator output; this open-drain pin is driven to logic low during a fault event and requires an external pull-up resistor."
      },
      {
        "number": "29",
        "name": "MODE",
        "type": "input",
        "description": "PWM input mode setting; 4-level input pin set by an external resistor (hardware interface device)."
      },
      {
        "number": "30",
        "name": "IDRIVE",
        "type": "input",
        "description": "Gate drive output current setting; 7-level input pin set by an external resistor (hardware interface device)."
      },
      {
        "number": "31",
        "name": "VDS",
        "type": "input",
        "description": "VDS monitor trip-point setting; 7-level input pin set by an external resistor (hardware interface device)."
      },
      {
        "number": "32",
        "name": "GAIN",
        "type": "input",
        "description": "Amplifier gain setting; 4-level input pin set by an external resistor (hardware interface device)."
      },
      {
        "number": "33",
        "name": "ENABLE",
        "type": "input",
        "description": "Gate driver enable; a logic low places the device into low-power sleep mode; an 8µs to 40µs low pulse can reset a fault condition without entering sleep mode."
      },
      {
        "number": "34",
        "name": "CAL",
        "type": "input",
        "description": "Amplifier calibration input; set to logic high to internally short the amplifier inputs and perform automatic offset voltage calibration."
      },
      {
        "number": "35",
        "name": "AGND",
        "type": "power_in",
        "description": "Device analog ground; connect to system ground; AGND must be externally connected to BGND and PGND."
      },
      {
        "number": "36",
        "name": "DVDD",
        "type": "power_out",
        "description": "3.3V internal regulator output; connect an X5R or X7R, 1µF, 6.3V ceramic capacitor between DVDD and AGND; the regulator can source up to 30mA externally."
      },
      {
        "number": "37",
        "name": "INHA",
        "type": "input",
        "description": "High-side gate driver control input (phase A); in 6x PWM mode this pin controls the high-side gate driver output."
      },
      {
        "number": "38",
        "name": "INLA",
        "type": "input",
        "description": "Low-side gate driver control input (phase A); in 6x PWM mode this pin controls the low-side gate driver output."
      },
      {
        "number": "39",
        "name": "INHB",
        "type": "input",
        "description": "High-side gate driver control input (phase B); in 6x PWM mode this pin controls the high-side gate driver output."
      },
      {
        "number": "40",
        "name": "INLB",
        "type": "input",
        "description": "Low-side gate driver control input (phase B); in 6x PWM mode this pin controls the low-side gate driver output."
      },
      {
        "number": "41",
        "name": "INHC",
        "type": "input",
        "description": "High-side gate driver control input (phase C); in 6x PWM mode this pin controls the high-side gate driver output."
      },
      {
        "number": "42",
        "name": "INLC",
        "type": "input",
        "description": "Low-side gate driver control input (phase C); in 6x PWM mode this pin controls the low-side gate driver output."
      },
      {
        "number": "43",
        "name": "BGND",
        "type": "power_in",
        "description": "Buck regulator ground; connect to system ground; BGND must be externally connected to AGND and PGND."
      },
      {
        "number": "44",
        "name": "CB",
        "type": "passive",
        "description": "Buck regulator bootstrap input; connect an X5R or X7R, 0.1µF, 16V capacitor between CB and SW."
      },
      {
        "number": "45",
        "name": "SW",
        "type": "output",
        "description": "Buck regulator switch node; connect this pin to the inductor, diode, and the CB bootstrap capacitor."
      },
      {
        "number": "46",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; this pin may be left floating or connected to system ground."
      },
      {
        "number": "47",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck regulator power supply input; place an X5R or X7R, VM-rated ceramic capacitor between VIN and BGND."
      },
      {
        "number": "48",
        "name": "nSHDN",
        "type": "input",
        "description": "Buck shutdown input; a high-voltage tolerant enable/disable pin with an internal pull-up current source; pull below 1.25V to disable, float to enable; two resistor dividers can be used to establish an input UVLO."
      },
      {
        "number": "49",
        "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": [
          "extractor flagged: The MPN DRV8323RHRGZR contains 'RH' suffix indicating hardware interface variant, but datasheet cont",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 95,
        "cost_usd": 1.1012,
        "at": "2026-09-23T05:10:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8323r",
        "pages": 95,
        "sha256": "98e62c0c61f99755",
        "source_tier": "lcsc"
      },
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        "described": 49,
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        "refuses_to_fabricate": true
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-48-EP(7x7)",
      "Category": "Motor Driver ICs",
      "Pins": "49"
    }
  },
  "variants": [],
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  "discovery_pitch": "DRV8323RHRGZR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "updated_at": "2026-09-24T19:59:41.453Z"
}