main
Ray Set visibility: public 690b7eb 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8436pwpr",
  "title": "DRV8436PWPR",
  "brief": "Texas Instruments Stepper Motor Driver, HTSSOP-28. 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",
    "drv8436pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DRV8436PWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28",
    "pin_count": 29,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8436",
    "parts": {
      "symbol": "drv8436pwpr.kicad_sym",
      "footprint": "drv8436pwpr.kicad_mod",
      "model_3d": "drv8436pwpr-hero.glb",
      "model_3d_plain": "drv8436pwpr.glb",
      "model_3d_step": "drv8436pwpr-etched.step",
      "model_3d_step_plain": "drv8436pwpr.step",
      "lbr": "drv8436pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": 3681263,
      "digikey": "296-DRV8436PWPRTR-ND",
      "mouser": "595-DRV8436PWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T07:52:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8436PWPRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8436PWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output (VM + 5V) for high-side gate drive; connect 0.22µF 16V X7R capacitor to VM."
      },
      {
        "number": "2",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply input with range 4.5V to 48V; bypass through 0.01µF ceramic capacitors and bulk capacitor to GND."
      },
      {
        "number": "3",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground internally shorted to pin 12; connect to system ground on PCB."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; do not connect this pin."
      },
      {
        "number": "5",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A motor phase output with maximum 1.1A RMS continuous current."
      },
      {
        "number": "6",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A motor phase output with maximum 1.1A RMS continuous current."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; do not connect this pin."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; do not connect this pin."
      },
      {
        "number": "9",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B motor phase output with maximum 1.1A RMS continuous current."
      },
      {
        "number": "10",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B motor phase output with maximum 1.1A RMS continuous current."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; do not connect this pin."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground internally shorted to pin 3; connect to system ground on PCB."
      },
      {
        "number": "13",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply input with range 4.5V to 48V; bypass through 0.01µF ceramic capacitors and bulk capacitor to GND."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_out",
        "description": "Regulated 5V logic power supply output with 2mA maximum load; bypass to GND with 0.47µF to 1µF X7R capacitor rated 6.3V or 10V."
      },
      {
        "number": "16",
        "name": "nFAULT",
        "type": "tri_state",
        "description": "Open-drain fault indicator output pulled low on fault condition; requires external pull-up resistor to 3.3V or 5V."
      },
      {
        "number": "17",
        "name": "VREF",
        "type": "power_in",
        "description": "Current setting reference input voltage 0.05V to 3.3V maximum for PWM current control."
      },
      {
        "number": "18",
        "name": "M0",
        "type": "input",
        "description": "Microstepping mode setting input with internal pull-down resistor; used with M1 to select stepping resolution from full-step to 1/256 step."
      },
      {
        "number": "19",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level PWM off-time input selecting chopping duration of 7µs, 16µs, 24µs, or 32µs during current regulation."
      },
      {
        "number": "20",
        "name": "DECAY1",
        "type": "input",
        "description": "Decay mode selection input with internal pull-down resistor used with DECAY0 to configure current decay mode."
      },
      {
        "number": "21",
        "name": "DECAY0",
        "type": "input",
        "description": "Decay mode selection input with internal pull-down resistor used with DECAY1 to configure current decay mode."
      },
      {
        "number": "22",
        "name": "M1",
        "type": "input",
        "description": "Microstepping mode setting input with internal pull-down resistor; used with M0 to select stepping resolution from full-step to 1/256 step."
      },
      {
        "number": "23",
        "name": "STEP",
        "type": "input",
        "description": "Step command input with internal pull-down resistor; rising edge advances indexer one step; maximum frequency 500kHz."
      },
      {
        "number": "24",
        "name": "DIR",
        "type": "input",
        "description": "Direction control input with internal pull-down resistor; logic level selects motor stepping direction."
      },
      {
        "number": "25",
        "name": "ENABLE",
        "type": "input",
        "description": "Output enable input with internal pull-up to DVDD; logic low disables motor outputs, logic high enables; selects OCP response mode."
      },
      {
        "number": "26",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode control input with internal pull-down resistor; logic high enables device operation, logic low enters low-power 2µA sleep mode."
      },
      {
        "number": "27",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump flying capacitor return node; connect 0.022µF VM-rated X7R ceramic capacitor between CPL and CPH."
      },
      {
        "number": "28",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump switching node; connect 0.022µF VM-rated X7R ceramic capacitor between CPH and CPL for charge pump operation."
      },
      {
        "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-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 29 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 41,
        "cost_usd": 0.2764,
        "at": "2026-10-03T07:52:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8436",
        "pages": 52,
        "sha256": "8c817610402342b6",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-28",
      "Category": "Motor Driver ICs",
      "Pins": "29"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "drv8436pwpr"
  ],
  "discovery_pitch": "DRV8436PWPR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8436pwpr.kicad_sym",
    "drv8436pwpr.kicad_mod",
    "drv8436pwpr.glb",
    "drv8436pwpr.step",
    "drv8436pwpr.lbr",
    "docs/hero.png",
    "docs/drv8436pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8436pwpr-hero.glb",
    "drv8436pwpr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}