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Ray Set visibility: public 79b1bd3 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8812rhdr",
  "title": "DRV8812RHDR",
  "brief": "Texas Instruments Stepper Motor Driver, VQFN-28-EP(5x5). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "drv8812rhdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DRV8812RHDR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-28-EP(5x5)",
    "pin_count": 28,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8812",
    "parts": {
      "symbol": "drv8812rhdr.kicad_sym",
      "footprint": "drv8812rhdr.kicad_mod",
      "model_3d": "drv8812rhdr-hero.glb",
      "model_3d_plain": "drv8812rhdr-etched.glb",
      "model_3d_step": "drv8812rhdr-etched.step",
      "model_3d_step_plain": "drv8812rhdr.step",
      "lbr": "drv8812rhdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C575584"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:23:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BI0",
        "type": "input",
        "description": "Bridge B current selection LSB (BI1:BI0 = 00 for 100%, 01 for 71%, 10 for 38%, 11 for 0% full-scale chopping current)"
      },
      {
        "number": "2",
        "name": "BI1",
        "type": "input",
        "description": "Bridge B current selection MSB (completes BI1:BI0 current control function)"
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground"
      },
      {
        "number": "4",
        "name": "CP1",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor node 1 (connect 0.01-µF 50-V capacitor between CP1 and CP2)"
      },
      {
        "number": "5",
        "name": "CP2",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor node 2 (connect 0.01-µF 50-V capacitor between CP1 and CP2)"
      },
      {
        "number": "6",
        "name": "VCP",
        "type": "bidirectional",
        "description": "High-side gate drive voltage supply (connect 0.1-µF 16-V ceramic capacitor and 1-MΩ resistor to VM)"
      },
      {
        "number": "7",
        "name": "VMA",
        "type": "power_in",
        "description": "Bridge A motor supply voltage input (8.2-V to 45-V operating range, bypass with 0.1-µF capacitor to GND)"
      },
      {
        "number": "8",
        "name": "AOUT1",
        "type": "output",
        "description": "Bridge A output 1 for motor winding connection"
      },
      {
        "number": "9",
        "name": "ISENA",
        "type": "bidirectional",
        "description": "Bridge A current sense return (connect current sense resistor to measure chopping current)"
      },
      {
        "number": "10",
        "name": "AOUT2",
        "type": "output",
        "description": "Bridge A output 2 for motor winding connection"
      },
      {
        "number": "11",
        "name": "BOUT2",
        "type": "output",
        "description": "Bridge B output 2 for motor winding connection"
      },
      {
        "number": "12",
        "name": "ISENB",
        "type": "bidirectional",
        "description": "Bridge B current sense return (connect current sense resistor to measure chopping current)"
      },
      {
        "number": "13",
        "name": "BOUT1",
        "type": "output",
        "description": "Bridge B output 1 for motor winding connection"
      },
      {
        "number": "14",
        "name": "VMB",
        "type": "power_in",
        "description": "Bridge B motor supply voltage input (connect to same supply voltage as VMA with 0.1-µF bypass to GND)"
      },
      {
        "number": "15",
        "name": "AVREF",
        "type": "input",
        "description": "Bridge A reference voltage input for current regulation (1-3.5V with 0.01-µF bypass capacitor to GND recommended)"
      },
      {
        "number": "16",
        "name": "BVREF",
        "type": "input",
        "description": "Bridge B reference voltage input for current regulation (1-3.5V with 0.01-µF bypass capacitor to GND recommended)"
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground"
      },
      {
        "number": "18",
        "name": "V3P3OUT",
        "type": "power_out",
        "description": "3.3-V regulated supply output (bypass with 0.47-µF 6.3-V ceramic capacitor to GND, can supply VREF pins)"
      },
      {
        "number": "19",
        "name": "nRESET",
        "type": "input",
        "description": "Active-low reset input (initializes internal logic and disables H-bridge outputs when held low)"
      },
      {
        "number": "20",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode control input (logic high enables device, logic low enters low-power sleep mode)"
      },
      {
        "number": "21",
        "name": "nFAULT",
        "type": "tri_state",
        "description": "Fault condition open-drain output (pulls low during thermal shutdown or overcurrent protection event)"
      },
      {
        "number": "22",
        "name": "DECAY",
        "type": "input",
        "description": "Decay mode selection input (low = slow decay, open = mixed decay, high = fast decay for both bridges)"
      },
      {
        "number": "23",
        "name": "APHASE",
        "type": "input",
        "description": "Bridge A phase/direction control input (logic high sets AOUT1 high and AOUT2 low)"
      },
      {
        "number": "24",
        "name": "AENBL",
        "type": "input",
        "description": "Bridge A enable input (logic high enables bridge A, logic low disables with high-impedance outputs)"
      },
      {
        "number": "25",
        "name": "BENBL",
        "type": "input",
        "description": "Bridge B enable input (logic high enables bridge B, logic low disables with high-impedance outputs)"
      },
      {
        "number": "26",
        "name": "BPHASE",
        "type": "input",
        "description": "Bridge B phase/direction control input (logic high sets BOUT1 high and BOUT2 low)"
      },
      {
        "number": "27",
        "name": "AI0",
        "type": "input",
        "description": "Bridge A current control LSB (AI1:AI0 = 00 for 100%, 01 for 71%, 10 for 38%, 11 for 0% full-scale chopping current)"
      },
      {
        "number": "28",
        "name": "AI1",
        "type": "input",
        "description": "Bridge A current control MSB (completes AI1:AI0 current selection function)"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8812",
        "pages": 32,
        "sha256": "e267ee0fecd31d5d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8812rhdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8812rhdr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2b3019423967a2b96c5b37c72b4c481b3dd4bc820749202c7221e067eef51853",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-28-EP(5x5)",
      "Category": "Motor Driver ICs",
      "Pins": "29"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e267ee0fecd31d5d6a96c5e777bede9e00ea926bc48028ef875b0a4a5a15bf5d",
      "rows": [
        {
          "name": "VMx Power supply voltage",
          "symbol": "VMx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 47,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VMx Power supply ramp rate",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V/µs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Digital pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VREF Input voltage",
          "symbol": "VREF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ISENSEx pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.8,
          "typ": null,
          "max": 0.8,
          "conditions": "Transients of ±1 V for less than 25 ns acceptable (note 3)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Continuous motor drive output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": 0,
          "typ": null,
          "max": 1.6,
          "conditions": "Power dissipation and thermal limits must be observed (note 4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating virtual junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VM Motor power supply voltage range",
          "symbol": "VM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 8.2,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VREF input voltage",
          "symbol": "VREF",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 3.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "V3P3OUT load current",
          "symbol": "IV3P3",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VM operating supply current",
          "symbol": "IVM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 8,
          "conditions": "VM = 24 V, fPWM < 50 kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VM sleep mode supply current",
          "symbol": "IVMQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": 20,
          "conditions": "VM = 24 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VM undervoltage lockout voltage",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 7.8,
          "typ": null,
          "max": 8.2,
          "conditions": "VM rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "V3P3OUT voltage",
          "symbol": "V3P3",
          "kind": "electrical",
          "unit": "V",
          "min": 3.18,
          "typ": 3.3,
          "max": 3.42,
          "conditions": "IOUT = 0 to 1 mA, VM = 24 V, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "V3P3OUT voltage",
          "symbol": "V3P3",
          "kind": "electrical",
          "unit": "V",
          "min": 3.1,
          "typ": 3.3,
          "max": 3.5,
          "conditions": "IOUT = 0 to 1 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": 0.7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input low current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VIN = 0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input high current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VIN = 3.3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage (nFAULT)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO = 5 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output high leakage current (nFAULT)",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VO = 3.3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input low threshold voltage (DECAY)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.8,
          "conditions": "For slow decay mode",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input high threshold voltage (DECAY)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "For fast decay mode",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input current (DECAY)",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "HS FET on resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.63,
          "max": null,
          "conditions": "VM = 24 V, IO = 1 A, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "HS FET on resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.76,
          "max": 0.9,
          "conditions": "VM = 24 V, IO = 1 A, TJ = 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "LS FET on resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.65,
          "max": null,
          "conditions": "VM = 24 V, IO = 1 A, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "LS FET on resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.78,
          "max": 0.9,
          "conditions": "VM = 24 V, IO = 1 A, TJ = 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Off-state leakage current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "μA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": 360,
          "conditions": "VM = 24 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 80,
          "max": 250,
          "conditions": "VM = 24 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input deglitch time",
          "symbol": "tDEG",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
          "max": 2.9,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Overcurrent protection trip level",
          "symbol": "IOCP",
          "kind": "electrical",
          "unit": "A",
          "min": 1.8,
          "typ": null,
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