DRV8436ERGER

{
  "slug": "drv8436erger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8436erger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8436erger.kicad_sym",
    "drv8436erger.kicad_mod",
    "drv8436erger.glb",
    "drv8436erger.step",
    "drv8436erger.lbr",
    "docs/hero.png",
    "docs/drv8436erger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8436erger-hero.glb",
    "drv8436erger-hero.overlay.json"
  ],
  "component": {
    "mpn": "DRV8436ERGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8436e",
    "parts": {
      "symbol": "drv8436erger.kicad_sym",
      "footprint": "drv8436erger.kicad_mod",
      "model_3d": "drv8436erger-hero.glb",
      "model_3d_plain": "drv8436erger.glb",
      "model_3d_step": "drv8436erger-etched.step",
      "model_3d_step_plain": "drv8436erger.step",
      "lbr": "drv8436erger.lbr"
    },
    "distributor_links": {
      "lcsc": "C1518722",
      "digikey": "296-DRV8436ERGERTR-ND",
      "mouser": "595-DRV8436ERGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:05:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8436ERGERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8436ERGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, 4.5 V to 48 V for normal DC operation, bypassed to GND with a 0.01 µF ceramic capacitor rated for VM and a bulk capacitor."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, internally shorted to pin 7, to be connected to system ground on the PCB."
      },
      {
        "number": "3",
        "name": "AOUT1",
        "type": "output",
        "description": "Bridge A output 1, connects to motor winding; full-scale current up to 1.5 A and 1.1 A rms depending on PCB design."
      },
      {
        "number": "4",
        "name": "AOUT2",
        "type": "output",
        "description": "Bridge A output 2, connects to motor winding; full-scale current up to 1.5 A and 1.1 A rms depending on PCB design."
      },
      {
        "number": "5",
        "name": "BOUT2",
        "type": "output",
        "description": "Bridge B output 2, connects to motor winding; full-scale current up to 1.5 A and 1.1 A rms depending on PCB design."
      },
      {
        "number": "6",
        "name": "BOUT1",
        "type": "output",
        "description": "Bridge B output 1, connects to motor winding; full-scale current up to 1.5 A and 1.1 A rms depending on PCB design."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, internally shorted to pin 2, to be connected to system ground on the PCB."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, 4.5 V to 48 V for normal DC operation, internally tied to pin 1 and bypassed to GND."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground, to be connected to the system ground."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_out",
        "description": "Internal logic regulator output, nominal 5 V, supplies at most 2 mA; bypass to GND with a 0.47 µF X7R ceramic rated 6.3 V or 10 V."
      },
      {
        "number": "11",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indicator, driven low on fault, requires an external pull-up (5 V or 3.3 V) and sinks up to 10 mA."
      },
      {
        "number": "12",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input setting the full-scale chopping current of bridge B, maximum 3.3 V, with IFS = VREF / 2.2 V/A."
      },
      {
        "number": "13",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input setting the full-scale chopping current of bridge A, maximum 3.3 V, with IFS = VREF / 2.2 V/A."
      },
      {
        "number": "14",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level input setting the PWM current-chopping off-time to 7, 16, 24 or 32 µs (GND, 1, Hi-Z, 330 kΩ to GND)."
      },
      {
        "number": "15",
        "name": "BDECAY",
        "type": "input",
        "description": "Four-level input setting the decay mode of bridge B (smart-tune, slow, mixed 30% fast, or fast)."
      },
      {
        "number": "16",
        "name": "ADECAY",
        "type": "input",
        "description": "Four-level input setting the decay mode of bridge A (smart-tune, slow, mixed 30% fast, or fast)."
      },
      {
        "number": "17",
        "name": "BPH",
        "type": "input",
        "description": "Bridge B phase input, logic high drives current from BOUT1 to BOUT2; logic input with VIH 1.5 V to 5.5 V and recommended input up to 5.3 V."
      },
      {
        "number": "18",
        "name": "BEN",
        "type": "input",
        "description": "Bridge B enable input, logic high enables the bridge and logic low disables it to high impedance."
      },
      {
        "number": "19",
        "name": "APH",
        "type": "input",
        "description": "Bridge A phase input, logic high drives current from AOUT1 to AOUT2; logic input with VIH 1.5 V to 5.5 V and recommended input up to 5.3 V."
      },
      {
        "number": "20",
        "name": "AEN",
        "type": "input",
        "description": "Bridge A enable input, logic high enables the bridge and logic low disables it to high impedance."
      },
      {
        "number": "21",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep-mode input, logic high enables the device and logic low enters low-power sleep; internal pull-down, must not be tied to DVDD."
      },
      {
        "number": "22",
        "name": "CPL",
        "type": "passive",
        "description": "Charge-pump switching node (negative side); connect a 0.022 µF X7R ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "23",
        "name": "CPH",
        "type": "passive",
        "description": "Charge-pump switching node; connect a 0.022 µF X7R ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "24",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge-pump output, operates at VM + 5 V; connect a 0.22 µF 16 V X7R ceramic capacitor to VM."
      },
      {
        "number": "25",
        "name": "Thermal pad (EP)",
        "type": "power_in",
        "description": "Exposed thermal pad, must be soldered to the PCB and connected to the system ground for thermal and electrical performance."
      }
    ],
    "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 (pin 25) is not listed in the Table 5-1 pin table; it is taken from the RGE0; Pin numbers are the RGE (VQFN) column for the DRV8436E variant from Table 5-1 (pages 5-6), which mat; Table 5-1 classifies CPH and CPL as PWR; they are mapped to KiCad passive because they are charge-pu"
        ],
        "pages_sent": 46,
        "cost_usd": 0.1563,
        "at": "2026-10-08T20:04:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8436e",
        "pages": 46,
        "sha256": "32cfac267bdda8d5",
        "source_tier": "lcsc"
      },
      "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": "drv8436erger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8436erger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fe035b936e1052f9fb4f544d644c83f34a95bdfa088f3972041e96523099ad20",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}