DRV8428ERTER

{
  "slug": "drv8428erter",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Motor Driver ICs, WQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "drv8428erter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8428erter.kicad_sym",
    "drv8428erter.kicad_mod",
    "drv8428erter.glb",
    "drv8428erter.step",
    "drv8428erter.lbr",
    "docs/hero.png",
    "docs/drv8428erter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8428erter-hero.glb",
    "drv8428erter-hero.overlay.json",
    "drv8428erter-etched.glb"
  ],
  "component": {
    "mpn": "DRV8428ERTER",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8428e",
    "parts": {
      "symbol": "drv8428erter.kicad_sym",
      "footprint": "drv8428erter.kicad_mod",
      "model_3d": "drv8428erter-hero.glb",
      "model_3d_plain": "drv8428erter-etched.glb",
      "model_3d_step": "drv8428erter-etched.step",
      "model_3d_step_plain": "drv8428erter.step",
      "lbr": "drv8428erter.lbr"
    },
    "distributor_links": {
      "lcsc": "C3681257",
      "digikey": "296-DRV8428ERTERTR-ND",
      "mouser": "595-DRV8428ERTER"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T02:38:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8428ERTERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8428ERTER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output connected to the motor winding; continuous phase-node voltage is limited to -1 V to VVM + 1 V."
      },
      {
        "number": "2",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output connected to the motor winding; continuous phase-node voltage is limited to -1 V to VVM + 1 V."
      },
      {
        "number": "3",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output connected to the motor winding; continuous phase-node voltage is limited to -1 V to VVM + 1 V."
      },
      {
        "number": "4",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output connected to the motor winding; continuous phase-node voltage is limited to -1 V to VVM + 1 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground."
      },
      {
        "number": "6",
        "name": "DVDD",
        "type": "power_out",
        "description": "Internal logic regulator output, nominally 5 V and able to supply at most 2 mA; bypass to GND with a 0.47 µF to 1 µF X7R ceramic capacitor rated 6.3 V or 10 V."
      },
      {
        "number": "7",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge B (IFS = VREFB / 3 V/A), with a specified VREF range of 0.05 V to 3 V."
      },
      {
        "number": "8",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge A (IFS = VREFA / 3 V/A), with a specified VREF range of 0.05 V to 3 V."
      },
      {
        "number": "9",
        "name": "DECAY/TOFF",
        "type": "input",
        "description": "Seven-level input that selects the decay mode and PWM off-time (7, 16 or 32 µs) through a resistor to GND, a high-impedance state, or a connection to DVDD, as listed in Table 7-4."
      },
      {
        "number": "10",
        "name": "BPH",
        "type": "input",
        "description": "Bridge B phase input; a logic high drives current from BOUT1 to BOUT2, with logic input levels of 0 V to 5.5 V."
      },
      {
        "number": "11",
        "name": "BEN",
        "type": "input",
        "description": "Bridge B enable input; a logic high enables bridge B and a logic low disables it into high impedance."
      },
      {
        "number": "12",
        "name": "APH",
        "type": "input",
        "description": "Bridge A phase input; a logic high drives current from AOUT1 to AOUT2, with logic input levels of 0 V to 5.5 V."
      },
      {
        "number": "13",
        "name": "AEN",
        "type": "input",
        "description": "Bridge A enable input; a logic high enables bridge A and a logic low disables it into high impedance."
      },
      {
        "number": "14",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep-mode input; a logic high enables the device, a logic low enters low-power sleep, it has an internal pull-down, and a low pulse clears faults."
      },
      {
        "number": "15",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input with a recommended operating range of 4.2 V to 33 V, bypassed to PGND with a 0.01 µF ceramic capacitor and a bulk capacitor rated for VM."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; connect to system ground."
      },
      {
        "number": "17",
        "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 exposed thermal pad is listed as 'PAD' with no printed pin number in the pin function table, so ; The datasheet's pin table labels DVDD as 'PWR'. I classified it as power_out because the text descri; The pin numbers come from the RTE column of the pin function table (Section 5.1). The RTE top-view d",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 32,
        "cost_usd": 0.1099,
        "at": "2026-10-29T02:37:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8428e",
        "pages": 52,
        "sha256": "d522fe34b3f27f75",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8428erter.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8428erter-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8d281f79fe3122bf6c5e772b6f89f5c00496a5c94f225f1c21e6f9fd5daea319",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RTE0016J",
      "source_page": 33,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.85,
          3.15
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          2.85,
          3.15
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          0.7,
          0.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "drv8428erter.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}