DRV8434ERGER

{
  "slug": "drv8434erger",
  "version": "0.1.0",
  "type": "component",
  "description": "TI(德州仪器) Stepper Motor Driver, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8434erger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8434erger.kicad_sym",
    "drv8434erger.kicad_mod",
    "drv8434erger.glb",
    "drv8434erger.step",
    "drv8434erger.lbr",
    "docs/hero.png",
    "docs/drv8434erger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8434erger-hero.glb",
    "drv8434erger-hero.overlay.json",
    "drv8434erger-etched.glb"
  ],
  "component": {
    "mpn": "DRV8434ERGER",
    "manufacturer": "TI(德州仪器)",
    "package": "VQFN-24(4x4)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8434e",
    "parts": {
      "symbol": "drv8434erger.kicad_sym",
      "footprint": "drv8434erger.kicad_mod",
      "model_3d": "drv8434erger-hero.glb",
      "model_3d_plain": "drv8434erger-etched.glb",
      "model_3d_step": "drv8434erger-etched.step",
      "model_3d_step_plain": "drv8434erger.step",
      "lbr": "drv8434erger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2935414",
      "digikey": "296-DRV8434ERGERTR-ND",
      "mouser": "595-DRV8434ERGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:59:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8434ERGERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8434ERGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "电机电源引脚，工作电压范围为 4.5V 至 48V，绝对最大值为 50V，需通过 0.01μF 陶瓷电容和大容量电容旁路到 PGND。"
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "电源接地引脚，连接到系统接地。"
      },
      {
        "number": "3",
        "name": "AOUT1",
        "type": "output",
        "description": "绕组 A 输出，连接到电机绕组；连续相节点电压范围为 -1V 至 VVM + 1V。"
      },
      {
        "number": "4",
        "name": "AOUT2",
        "type": "output",
        "description": "绕组 A 输出，连接到电机绕组；连续相节点电压范围为 -1V 至 VVM + 1V。"
      },
      {
        "number": "5",
        "name": "BOUT2",
        "type": "output",
        "description": "绕组 B 输出，连接到电机绕组；连续相节点电压范围为 -1V 至 VVM + 1V。"
      },
      {
        "number": "6",
        "name": "BOUT1",
        "type": "output",
        "description": "绕组 B 输出，连接到电机绕组；连续相节点电压范围为 -1V 至 VVM + 1V。"
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "电源接地引脚，连接到系统接地。"
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "电机电源引脚，工作电压范围为 4.5V 至 48V，绝对最大值为 50V，需通过 0.01μF 陶瓷电容和大容量电容旁路到 PGND。"
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "器件接地引脚，连接到系统接地。"
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_out",
        "description": "内部 LDO 输出（标称 5V，最大负载 2mA），需通过 0.47μF 至 1μF、额定 6.3V 或 10V 的 X7R 陶瓷电容接地。"
      },
      {
        "number": "11",
        "name": "nFAULT",
        "type": "output",
        "description": "故障指示开漏输出，故障时拉低，需外接上拉电阻（最大灌电流 10mA）。"
      },
      {
        "number": "12",
        "name": "VREFB",
        "type": "input",
        "description": "B 桥基准电压输入，该电压设置 H 桥 B 的满量程斩波电流（IFS = VREFB / 1.32 V/A），允许最大值为 3.3V。"
      },
      {
        "number": "13",
        "name": "VREFA",
        "type": "input",
        "description": "A 桥基准电压输入，该电压设置 H 桥 A 的满量程斩波电流（IFS = VREFA / 1.32 V/A），允许最大值为 3.3V。"
      },
      {
        "number": "14",
        "name": "TOFF",
        "type": "input",
        "description": "四电平引脚，设置电流斩波期间的衰减模式关断时间（0 为 7μs，1 为 16μs，高阻态为 24μs，330kΩ 接 GND 为 32μs）。"
      },
      {
        "number": "15",
        "name": "BDECAY",
        "type": "input",
        "description": "四电平衰减模式设置引脚，用于设置 H 桥 B 的衰减模式。"
      },
      {
        "number": "16",
        "name": "ADECAY",
        "type": "input",
        "description": "四电平衰减模式设置引脚，用于设置 H 桥 A 的衰减模式。"
      },
      {
        "number": "17",
        "name": "BPH",
        "type": "input",
        "description": "电桥 B 相位输入，逻辑高电平时电流从 BOUT1 流向 BOUT2；逻辑输入低电平最高 0.6V，高电平最低 1.5V，最高 5.5V。"
      },
      {
        "number": "18",
        "name": "BEN",
        "type": "input",
        "description": "电桥 B 使能输入，逻辑高电平使能电桥 B，逻辑低电平禁用电桥并进入高阻态。"
      },
      {
        "number": "19",
        "name": "APH",
        "type": "input",
        "description": "电桥 A 相位输入，逻辑高电平时电流从 AOUT1 流向 AOUT2；逻辑输入低电平最高 0.6V，高电平最低 1.5V，最高 5.5V。"
      },
      {
        "number": "20",
        "name": "AEN",
        "type": "input",
        "description": "电桥 A 使能输入，逻辑高电平使能电桥 A，逻辑低电平禁用电桥并进入高阻态。"
      },
      {
        "number": "21",
        "name": "nSLEEP",
        "type": "input",
        "description": "睡眠模式输入，逻辑高电平使能器件，逻辑低电平进入低功耗睡眠模式；内部下拉，低电平脉冲可清除故障。"
      },
      {
        "number": "22",
        "name": "CPL",
        "type": "passive",
        "description": "电荷泵负开关节点，需在 CPH 与 CPL 之间连接额定电压为 VM 的 X7R 0.022μF 陶瓷飞跨电容。"
      },
      {
        "number": "23",
        "name": "CPH",
        "type": "passive",
        "description": "电荷泵开关节点，需在 CPH 与 CPL 之间连接额定电压为 VM 的 X7R 0.022μF 陶瓷飞跨电容。"
      },
      {
        "number": "24",
        "name": "VCP",
        "type": "power_out",
        "description": "电荷泵输出，需通过 X7R 0.22μF 16V 陶瓷电容连接至 VM，VCP 工作电压为 VVM + 5V（6V < VVM < 48V）。"
      },
      {
        "number": "25",
        "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: 数据手册未给出裸露散热焊盘（PAD）的编号；表中该项为“-”，因此未将其列为编号引脚。规格要求连接到系统接地。; 已按 DRV8434ERGER 对应的 DRV8434E（PH/EN 接口）列取 RGE 引脚号。AIN1、AIN2、BIN1、BIN2 在 E 版本中标为“—”，因此未列入。; 数据手册将 CPH、CPL 标为 PWR，但未给出 KiCad 类型；此处按飞跨电容开关节点映射为 passive，DVDD 按内部稳压器输出映射为 power_out，VCP 按电荷泵输出映射为 p",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 36,
        "cost_usd": 0.1262,
        "at": "2026-10-21T01:56:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8434e",
        "pages": 49,
        "sha256": "2fcf23c37e777f4b",
        "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": "drv8434erger.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": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8434erger-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": "8378f0ec3b65e6c714f7c414c553fa7da3e9e48d8bd299839b5b03d692047fdb",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}