DRV8434PRGER

{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8434prger",
  "title": "DRV8434PRGER",
  "brief": "Texas Instruments Stepper Motor Driver, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "drv8434prger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DRV8434PRGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24(4x4)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8434e",
    "parts": {
      "symbol": "drv8434prger.kicad_sym",
      "footprint": "drv8434prger.kicad_mod",
      "model_3d": "drv8434prger-hero.glb",
      "model_3d_plain": "drv8434prger-etched.glb",
      "model_3d_step": "drv8434prger-etched.step",
      "model_3d_step_plain": "drv8434prger.step",
      "lbr": "drv8434prger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2911596",
      "digikey": "296-DRV8434PRGERTR-ND",
      "mouser": "595-DRV8434PRGER"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T22:10:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8434PRGERTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DRV8434PRGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply voltage input, operating range 4.5 V to 48 V, bypassed to PGND with 0.01 µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, to be connected to system ground."
      },
      {
        "number": "3",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "4",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "5",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "6",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, to be connected to system ground."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply voltage input, operating range 4.5 V to 48 V, bypassed to PGND with 0.01 µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground, to be connected to system ground."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_out",
        "description": "Logic supply regulator output, nominal 5 V, supplying up to 2 mA; bypass to GND with a 0.47 µF to 1 µF X7R ceramic capacitor rated 6.3 V or 10 V."
      },
      {
        "number": "11",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indicator, driven low during a fault and requires an external pull-up resistor; absolute maximum sink current 10 mA."
      },
      {
        "number": "12",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge B; recommended VREF range 0.05 V to 3.3 V."
      },
      {
        "number": "13",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge A; recommended VREF range 0.05 V to 3.3 V."
      },
      {
        "number": "14",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level pin that sets the PWM current-chopping off time to 7, 16, 24 or 32 µs."
      },
      {
        "number": "15",
        "name": "BDECAY",
        "type": "input",
        "description": "Four-level pin that sets the decay mode of H-bridge B."
      },
      {
        "number": "16",
        "name": "ADECAY",
        "type": "input",
        "description": "Four-level pin that sets the decay mode of H-bridge A."
      },
      {
        "number": "17",
        "name": "BIN2",
        "type": "input",
        "description": "Bridge B PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "18",
        "name": "BIN1",
        "type": "input",
        "description": "Bridge B PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "19",
        "name": "AIN2",
        "type": "input",
        "description": "Bridge B PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "20",
        "name": "AIN1",
        "type": "input",
        "description": "Bridge A PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "21",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input: logic high enables the device, logic low enters low-power sleep; internal pull-down; a low pulse of 20 µs to 40 µs clears faults."
      },
      {
        "number": "22",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump negative switching node; connect a X7R 0.022 µF ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "23",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump switching node; connect a X7R 0.022 µF ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "24",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output; connect a X7R 0.22 µF 16 V ceramic capacitor between VCP and VM."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The DRV8434P VQFN-24 (RGE) pinout has no APH, AEN, BPH or BEN pins; the datasheet marks these as '—'"
        ],
        "pages_sent": 36,
        "cost_usd": 0.0416,
        "at": "2026-11-05T22:10:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8434e",
        "pages": 49,
        "sha256": "2fcf23c37e777f4b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8434prger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8434prger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2b07d8acb1b43ec43455cd9db665b2bc08e4e34c8f7380f5b098f74146c2bf0e",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-24(4x4)",
      "Category": "Motor Driver ICs",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2fcf23c37e777f4b09d9ed5df4571222b5579b0cf3eda1ccbba58c45e711a2e4",
      "rows": [
        {
          "name": "VM operating supply current",
          "symbol": "IVM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 6.5,
          "conditions": "nSLEEP = 1，无电机负载",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VM sleep mode supply current",
          "symbol": "IVMQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": 4,
          "conditions": "nSLEEP = 0",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Reset pulse time",
          "symbol": "tRESET",
          "kind": "timing",
          "unit": "μs",
          "min": 20,
          "typ": null,
          "max": 40,
          "conditions": "nSLEEP 低电平至清除故障",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Wake-up time",
          "symbol": "tWAKE",
          "kind": "timing",
          "unit": "ms",
          "min": 0.8,
          "typ": null,
          "max": 1.2,
          "conditions": "nSLEEP = 1 至输出转换",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Turn-on time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "ms",
          "min": 0.8,
          "typ": null,
          "max": 1.2,
          "conditions": "VM > UVLO 至输出转换",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Internal regulator voltage",
          "symbol": "VDVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "无外部负载，6V < VVM < 48V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Internal regulator voltage at low VM",
          "symbol": "VDVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": 4.35,
          "conditions": "无外部负载，VVM = 4.5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input logic low voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input logic high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input logic low leakage current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN = 0V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Four-level input low voltage",
          "symbol": "VI1",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.6,
          "conditions": "连接至 GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Four-level input voltage (330kΩ to GND)",
          "symbol": "VI2",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.25,
          "max": 1.4,
          "conditions": "330kΩ ± 5% 至 GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Four-level input high impedance voltage",
          "symbol": "VI3",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": 2,
          "max": 2.2,
          "conditions": "高阻抗（>500kΩ 至 GND）",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Four-level input logic high voltage",
          "symbol": "VI4",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "连接至 DVDD",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "nFAULT output logic low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO = 5mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "nFAULT output logic high leakage current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "High-side FET on-resistance",
          "symbol": "RDS(ONH)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 165,
          "typ": null,
          "max": 200,
          "conditions": "TJ = 25°C、IO = -1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "High-side FET on-resistance",
          "symbol": "RDS(ONH)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 250,
          "typ": null,
          "max": 300,
          "conditions": "TJ = 125°C、IO = -1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "High-side FET on-resistance",
          "symbol": "RDS(ONH)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 280,
          "typ": null,
          "max": 350,
          "conditions": "TJ = 150°C、IO = -1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Low-side FET on-resistance",
          "symbol": "RDS(ONL)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 165,
          "typ": null,
          "max": 200,
          "conditions": "TJ = 25°C、IO = 1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Low-side FET on-resistance",
          "symbol": "RDS(ONL)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 250,
          "typ": null,
          "max": 300,
          "conditions": "TJ = 125°C、IO = 1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Low-side FET on-resistance",
          "symbol": "RDS(ONL)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 280,
          "typ": null,
          "max": 350,
          "conditions": "TJ = 150°C、IO = 1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Transconductance gain (transresistance)",
          "symbol": "KV",
          "kind": "electrical",
          "unit": "V/A",
          "min": 1.254,
          "typ": 1.32,
          "max": 1.386,
          "conditions": "VREF = 3.3V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VREF leakage current",
          "symbol": "IVREF",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 8.25,
          "max": null,
          "conditions": "VREF = 3.3V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Current trip accuracy",
          "symbol": "ΔITRIP",
          "kind": "tolerance",
          "unit": "%",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "0.25A < IO < 0.5A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Current trip accuracy",
          "symbol": "ΔITRIP",
          "kind": "tolerance",
          "unit": "%",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "0.5A < IO < 1A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Current trip accuracy",
          "symbol": "ΔITRIP",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "1A < IO < 2.5A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "AOUT and BOUT current matching",
          "symbol": "IO,CH",
          "kind": "tolerance",
          "unit": "%",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "IO = 2.5A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "VM UVLO falling threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.1,
          "typ": 4.25,
          "max": 4.35,
          "conditions": "VM 下降，UVLO 下降",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "VM UVLO rising threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": 4.35,
          "max": 4.45,
          "conditions": "VM 上升，UVLO 上升",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TOTSD",
          "kind": "electrical",
          "unit": "°C",
          "min": 150,
          "typ": 165,
          "max": 180,
          "conditions": "内核温度 TJ",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input logic high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input logic hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input logic high current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VIN = 5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay",
          "symbol": "tPD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "从 xPH、xEN、xINx 输入到电流改变",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output pull-up current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output slew rate",
          "symbol": "tSR",
          "kind": "timing",
          "unit": "V/µs",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "VM = 24V，IO = 1A，介于 10% 和 90% 之间",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "PWM off time TOFF=0",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "TOFF = 0",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "PWM off time TOFF=1",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "TOFF = 1",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "PWM off time TOFF high impedance",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "TOFF = 高阻态",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "PWM off time TOFF 330kΩ to GND",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 32,
          "max": null,
          "conditions": "TOFF = 330kΩ 至 GND",
          "source_page": 10,
          "source": "datasheet"
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