DRV8256PPWPR

{
  "slug": "drv8256ppwpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Motor Driver ICs, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "drv8256ppwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8256ppwpr.kicad_sym",
    "drv8256ppwpr.kicad_mod",
    "drv8256ppwpr.glb",
    "drv8256ppwpr.step",
    "drv8256ppwpr.lbr",
    "docs/hero.png",
    "docs/drv8256ppwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8256ppwpr-hero.glb",
    "drv8256ppwpr-hero.overlay.json",
    "drv8256ppwpr-etched.glb"
  ],
  "component": {
    "mpn": "DRV8256PPWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28",
    "pin_count": 29,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8256",
    "parts": {
      "symbol": "drv8256ppwpr.kicad_sym",
      "footprint": "drv8256ppwpr.kicad_mod",
      "model_3d": "drv8256ppwpr-hero.glb",
      "model_3d_plain": "drv8256ppwpr-etched.glb",
      "model_3d_step": "drv8256ppwpr-etched.step",
      "model_3d_step_plain": "drv8256ppwpr.step",
      "lbr": "drv8256ppwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3681352"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:16:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 886 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCP",
        "type": "passive",
        "description": "Charge pump output, connected to VM through an X7R 0.22µF 16V ceramic capacitor."
      },
      {
        "number": "2",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply (4.5V to 48V), bypassed to PGND with a 0.01µF ceramic capacitor per VM pin rated for VM plus a bulk capacitor."
      },
      {
        "number": "3",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, connected to system ground."
      },
      {
        "number": "4",
        "name": "OUT1",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces."
      },
      {
        "number": "5",
        "name": "OUT1",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces."
      },
      {
        "number": "6",
        "name": "OUT2",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces."
      },
      {
        "number": "8",
        "name": "OUT2",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces."
      },
      {
        "number": "9",
        "name": "OUT2",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces."
      },
      {
        "number": "10",
        "name": "OUT1",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces."
      },
      {
        "number": "11",
        "name": "OUT1",
        "type": "output",
        "description": "Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, connected to system ground."
      },
      {
        "number": "13",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply (4.5V to 48V), bypassed to PGND with a 0.01µF ceramic capacitor per VM pin rated for VM plus a bulk capacitor."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground, connected to system ground."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_out",
        "description": "Logic supply (nominal 5V, up to 2mA load) bypassed to GND with a 0.47µF to 1µF X7R ceramic capacitor rated 6.3V or 10V."
      },
      {
        "number": "16",
        "name": "nFAULT",
        "type": "output",
        "description": "Fault indication, pulled logic low in a fault condition; open-drain output requiring an external pull-up resistor."
      },
      {
        "number": "17",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage input that sets the full-scale chopping current of the H-bridge; both VREF pins must be connected together."
      },
      {
        "number": "18",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage input that sets the full-scale chopping current of the H-bridge; both VREF pins must be connected together."
      },
      {
        "number": "19",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level pin that sets the decay-mode off time during current chopping (7, 16, 24 or 32µs) and the ripple current in smart tune ripple control."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "21",
        "name": "DECAY",
        "type": "input",
        "description": "Four-level decay mode setting pin (smart tune dynamic decay, smart tune ripple control, mixed decay 30% fast, or fast decay)."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "24",
        "name": "IN2",
        "type": "input",
        "description": "PWM input that logically controls the state of the H-bridge, with internal pulldown."
      },
      {
        "number": "25",
        "name": "IN1",
        "type": "input",
        "description": "PWM input that logically controls the state of the H-bridge, with internal pulldown."
      },
      {
        "number": "26",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input: logic high enables the device, logic low enters low-power sleep mode, with internal pulldown; must not be tied to DVDD."
      },
      {
        "number": "27",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump switching node; connect an X7R 0.022µF ceramic capacitor rated for VM between CPH and CPL."
      },
      {
        "number": "28",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump switching node; connect an X7R 0.022µF ceramic capacitor rated for VM between CPH and CPL."
      },
      {
        "number": "29",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin number for the thermal pad (printed as '-'), so 'PAD' is used. Many footp; The datasheet table lists NC pins as type 'I', but the description says no connection. They are mapp; The datasheet lists VCP as output 'O' and CPH/CPL as 'PWR'. All three are mapped to passive because "
        ],
        "pages_sent": 35,
        "cost_usd": 0.2378,
        "at": "2026-10-23T18:16:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8256",
        "pages": 46,
        "sha256": "955cb1f20856cec4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8256ppwpr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8256ppwpr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3a7b91a3e9caad71fea2b04acd9784119ec599ed7307e8632dd7fe6f73eb538f",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}