TB6612FNG

{
  "schema_version": 1,
  "type": "component",
  "slug": "tb6612fng",
  "title": "TB6612FNG",
  "brief": "Toshiba dual H-bridge motor driver, SSOP-24. Two DC motors or one stepper, 1.2 A/ch, MOSFET output, PWM. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor-driver",
    "h-bridge",
    "mosfet",
    "dc-motor",
    "stepper",
    "ssop-24",
    "toshiba"
  ],
  "component": {
    "mpn": "TB6612FNG",
    "manufacturer": "Toshiba",
    "package": "SSOP-24",
    "pin_count": 24,
    "category": "Motor Driver",
    "subcategory": "Dual H-bridge motor driver (MOSFET)",
    "datasheet": "https://cdn.sparkfun.com/datasheets/Robotics/TB6612FNG.pdf",
    "parts": {
      "symbol": "tb6612fng.kicad_sym",
      "footprint": "tb6612fng.kicad_mod",
      "model_3d": "tb6612fng-etched.glb",
      "model_3d_plain": "tb6612fng.glb",
      "lbr": "tb6612fng.lbr",
      "model_3d_step": "tb6612fng-etched.step",
      "model_3d_step_plain": "tb6612fng.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "AO1",
        "type": "output",
        "description": "Channel-A H-bridge output 1 (OUT1 of H-SW A). Paralleled with pin 2 to share load current up to 1.2 A avg / 3.2 A peak. Motor terminal referenced between VM (2.5-13.5 V) and PGND1."
      },
      {
        "number": "2",
        "name": "AO1",
        "type": "output",
        "description": "Channel-A H-bridge output 1 (second bond wire of AO1). Paralleled with pin 1 to share output current."
      },
      {
        "number": "3",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground for H-bridge A (return path for the low-side FETs of AO1/AO2). Must be tied to system GND with a low-impedance path."
      },
      {
        "number": "4",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground for H-bridge A (second bond wire of PGND1). Paralleled with pin 3."
      },
      {
        "number": "5",
        "name": "AO2",
        "type": "output",
        "description": "Channel-A H-bridge output 2 (OUT2 of H-SW A). Paralleled with pin 6. Motor terminal referenced between VM (2.5-13.5 V) and PGND1."
      },
      {
        "number": "6",
        "name": "AO2",
        "type": "output",
        "description": "Channel-A H-bridge output 2 (second bond wire of AO2). Paralleled with pin 5."
      },
      {
        "number": "7",
        "name": "BO2",
        "type": "output",
        "description": "Channel-B H-bridge output 2 (OUT2 of H-SW B). Paralleled with pin 8."
      },
      {
        "number": "8",
        "name": "BO2",
        "type": "output",
        "description": "Channel-B H-bridge output 2 (second bond wire of BO2). Paralleled with pin 7."
      },
      {
        "number": "9",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground for H-bridge B (return path for the low-side FETs of BO1/BO2). Must be tied to system GND with a low-impedance path."
      },
      {
        "number": "10",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground for H-bridge B (second bond wire of PGND2). Paralleled with pin 9."
      },
      {
        "number": "11",
        "name": "BO1",
        "type": "output",
        "description": "Channel-B H-bridge output 1 (OUT1 of H-SW B). Paralleled with pin 12."
      },
      {
        "number": "12",
        "name": "BO1",
        "type": "output",
        "description": "Channel-B H-bridge output 1 (second bond wire of BO1). Paralleled with pin 11."
      },
      {
        "number": "13",
        "name": "VM2",
        "type": "power_in",
        "description": "Motor supply rail (2.5 V to 13.5 V operating, 15 V absolute max). One of three VM bond wires (VM1/VM2/VM3) all tied to the same internal VM node feeding the high-side FETs of both H-bridges."
      },
      {
        "number": "14",
        "name": "VM3",
        "type": "power_in",
        "description": "Motor supply rail (2.5 V to 13.5 V). Second VM bond wire, common with VM1/VM2."
      },
      {
        "number": "15",
        "name": "PWMB",
        "type": "input",
        "description": "Channel-B PWM input; controls duty-cycle for H-SW B. CMOS-level referenced to Vcc; 200 kΩ internal pull-down. Switching frequency up to 100 kHz. VIH ≥ Vcc×0.7, VIL ≤ Vcc×0.3."
      },
      {
        "number": "16",
        "name": "BIN2",
        "type": "input",
        "description": "Channel-B logic input 2. Combined with BIN1 selects CW / CCW / short-brake / stop per the H-SW truth table. 200 kΩ internal pull-down."
      },
      {
        "number": "17",
        "name": "BIN1",
        "type": "input",
        "description": "Channel-B logic input 1. Combined with BIN2 selects CW / CCW / short-brake / stop. 200 kΩ internal pull-down."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Small-signal ground for the control logic and Vcc-referenced circuitry. Kept separate from PGND1/PGND2 on-die; tie all grounds together at a star point on the PCB."
      },
      {
        "number": "19",
        "name": "STBY",
        "type": "input",
        "description": "Standby / enable. Drive high to enable both H-bridges; drive low to put the chip into standby (all outputs high-Z, power-save). 200 kΩ internal pull-down, so unconnected defaults to standby."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Small-signal / logic supply (2.7 V to 5.5 V operating, 6 V absolute max). Powers control logic and defines VIH/VIL thresholds for all logic inputs. Decouple to GND."
      },
      {
        "number": "21",
        "name": "AIN1",
        "type": "input",
        "description": "Channel-A logic input 1. Combined with AIN2 selects CW / CCW / short-brake / stop. 200 kΩ internal pull-down."
      },
      {
        "number": "22",
        "name": "AIN2",
        "type": "input",
        "description": "Channel-A logic input 2. Combined with AIN1 selects CW / CCW / short-brake / stop. 200 kΩ internal pull-down."
      },
      {
        "number": "23",
        "name": "PWMA",
        "type": "input",
        "description": "Channel-A PWM input; controls duty-cycle for H-SW A. CMOS-level referenced to Vcc; 200 kΩ internal pull-down. Switching frequency up to 100 kHz."
      },
      {
        "number": "24",
        "name": "VM1",
        "type": "power_in",
        "description": "Motor supply rail (2.5 V to 13.5 V). Third VM bond wire, common with VM2/VM3."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://cdn.sparkfun.com/datasheets/Robotics/TB6612FNG.pdf",
        "pages": 11,
        "sha256": "928865fade9c7c18",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tb6612fng.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          8.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77dd0a1fc7e70e9eda1bfde9dde937dc6e391803cff9978790523c850c85a21d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tb6612fng-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          8.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ccf93ade3999507ef1dc121e8f15b7434aaf498b463cac8f9d761335dfe6e17f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Dual H-bridge motor driver",
      "Output stage": "MOSFET (low loss)",
      "Channels": "2 (2 DC motors or 1 stepper)",
      "Current": "1.2 A/ch continuous (3.2 A peak)",
      "Control": "2 direction + 1 PWM per channel + STBY",
      "Motor supply (VM)": "2.5-13.5 V",
      "Logic supply (VCC)": "2.7-5.5 V",
      "Package": "SSOP-24"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tb6612fng",
    "dual motor driver",
    "mosfet h-bridge",
    "dc motor driver",
    "stepper driver",
    "l298 replacement"
  ],
  "discovery_pitch": "TB6612FNG dual H-bridge motor driver (SSOP-24, MOSFET) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tb6612fng.kicad_sym",
    "tb6612fng.kicad_mod",
    "tb6612fng.glb",
    "tb6612fng.lbr",
    "docs/hero.png",
    "docs/tb6612fng-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tb6612fng-etched.step"
  ],
  "variants": [
    {
      "mpn": "TB6612FNG (SSOP-24)",
      "kind": "packaging"
    },
    {
      "mpn": "TB6612FNG,C,8,EL (SSOP-24, reel)",
      "kind": "packaging"
    }
  ]
}