FT8161N

{
  "slug": "ft8161n",
  "version": "0.1.0",
  "type": "component",
  "description": "Fortior Tech(峰岹) Brushless DC (BLDC) Motor Driver, QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "ft8161n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "ft8161n.kicad_mod",
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    "ft8161n.step",
    "ft8161n.lbr",
    "docs/hero.png",
    "docs/ft8161n-datasheet.pdf",
    "viewers/symbol.html",
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    "ft8161n-hero.glb",
    "ft8161n-hero.overlay.json",
    "ft8161n-etched.glb"
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  "component": {
    "mpn": "FT8161N",
    "manufacturer": "Fortior Tech(峰岹)",
    "package": "QFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "Motor Driver ICs",
    "subcategory": "Brushless DC (BLDC) Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902967249944576",
    "parts": {
      "symbol": "ft8161n.kicad_sym",
      "footprint": "ft8161n.kicad_mod",
      "model_3d": "ft8161n-hero.glb",
      "model_3d_plain": "ft8161n-etched.glb",
      "model_3d_step": "ft8161n-etched.step",
      "model_3d_step_plain": "ft8161n.step",
      "lbr": "ft8161n.lbr"
    },
    "distributor_links": {
      "lcsc": "C6182072"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T03:51:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0M",
        "type": "input",
        "description": "Negative input of AMP0 (current-sense amplifier channel 0)."
      },
      {
        "number": "2",
        "name": "VREF",
        "type": "power_in",
        "description": "ADC reference voltage output that needs an external 1 µF or larger capacitor to ground, used only for internal digital and analog circuits and not to supply external circuits."
      },
      {
        "number": "3",
        "name": "EU/HUP",
        "type": "input",
        "description": "Phase U back-EMF divider input in sensorless mode, and positive input of the phase U differential Hall signal or switch-Hall input in sensored mode."
      },
      {
        "number": "4",
        "name": "A1M/HUM",
        "type": "input",
        "description": "Negative input of AMP1, and negative input of the phase U differential Hall signal."
      },
      {
        "number": "5",
        "name": "A1P/HVP",
        "type": "input",
        "description": "Positive input of AMP1, and positive input of the phase V differential Hall signal."
      },
      {
        "number": "6",
        "name": "EV/HVM",
        "type": "input",
        "description": "Phase V back-EMF divider input in sensorless mode, and negative input of the phase V differential Hall signal or switch-Hall input in sensored mode."
      },
      {
        "number": "7",
        "name": "EW/HWM",
        "type": "input",
        "description": "Phase W back-EMF divider input in sensorless mode, and negative input of the phase W differential Hall signal or switch-Hall input in sensored mode."
      },
      {
        "number": "8",
        "name": "A2P/HWP",
        "type": "input",
        "description": "Positive input of AMP2, and positive input of the phase W differential Hall signal."
      },
      {
        "number": "9",
        "name": "A2M",
        "type": "input",
        "description": "Negative input of AMP2."
      },
      {
        "number": "10",
        "name": "VBUS",
        "type": "power_in",
        "description": "DC bus voltage input after resistor divider."
      },
      {
        "number": "11",
        "name": "DIR",
        "type": "input",
        "description": "Motor direction control with internal pull-up (default high): high gives forward rotation with output phase sequence U-->V-->W, low gives reverse rotation with sequence U-->W-->V."
      },
      {
        "number": "12",
        "name": "SPEED/SCL",
        "type": "bidirectional",
        "description": "Digital PWM speed-control input (PWM frequency range 100 Hz to 100 kHz), which becomes the I2C clock line (SCL) in I2C speed-control mode."
      },
      {
        "number": "13",
        "name": "FG/RD_SDA",
        "type": "bidirectional",
        "description": "Open-drain speed-feedback (FG) or fault-indication (RD, output high in fault state) output, which becomes the open-drain I2C data line (SDA) in I2C mode."
      },
      {
        "number": "14",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "15",
        "name": "LU",
        "type": "output",
        "description": "6N pre-driver PWM output for the U-phase low-side power switch."
      },
      {
        "number": "16",
        "name": "LV",
        "type": "output",
        "description": "6N pre-driver PWM output for the V-phase low-side power switch."
      },
      {
        "number": "17",
        "name": "LW",
        "type": "output",
        "description": "6N pre-driver PWM output for the W-phase low-side power switch."
      },
      {
        "number": "18",
        "name": "VSU",
        "type": "power_in",
        "description": "6N pre-driver U-phase input used as the ground reference for the U-phase high-side bootstrap."
      },
      {
        "number": "19",
        "name": "HU",
        "type": "output",
        "description": "6N pre-driver PWM output for the U-phase high-side power switch."
      },
      {
        "number": "20",
        "name": "VBU",
        "type": "power_in",
        "description": "U-phase high-side bootstrap supply; VBU relative to VSU is specified at a maximum of 18 V."
      },
      {
        "number": "21",
        "name": "VSV",
        "type": "power_in",
        "description": "6N pre-driver V-phase input used as the ground reference for the V-phase high-side bootstrap."
      },
      {
        "number": "22",
        "name": "HV",
        "type": "output",
        "description": "6N pre-driver PWM output for the V-phase high-side power switch."
      },
      {
        "number": "23",
        "name": "VBV",
        "type": "power_in",
        "description": "V-phase high-side bootstrap supply; VBV relative to VSV is specified at a maximum of 18 V."
      },
      {
        "number": "24",
        "name": "VSW",
        "type": "power_in",
        "description": "6N pre-driver W-phase input used as the ground reference for the W-phase high-side bootstrap."
      },
      {
        "number": "25",
        "name": "HW",
        "type": "output",
        "description": "6N pre-driver PWM output for the W-phase high-side power switch."
      },
      {
        "number": "26",
        "name": "VBW",
        "type": "power_in",
        "description": "W-phase high-side bootstrap supply; VBW relative to VSW is specified at a maximum of 18 V."
      },
      {
        "number": "27",
        "name": "VDRV",
        "type": "power_in",
        "description": "6N pre-driver supply, 7 V to 18 V, decoupled with an external 1 µF to 10 µF capacitor."
      },
      {
        "number": "28",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 7 V to 18 V."
      },
      {
        "number": "29",
        "name": "ASPEED",
        "type": "input",
        "description": "Analog voltage speed-control input, valid over 0 V to VDD5."
      },
      {
        "number": "30",
        "name": "VDD5",
        "type": "power_out",
        "description": "5 V LDO output with an operating voltage range of 3 V to 5.5 V."
      },
      {
        "number": "31",
        "name": "ICP",
        "type": "input",
        "description": "Overcurrent detection analog input used for current limiting in sensored SVPWM mode."
      },
      {
        "number": "32",
        "name": "A0P",
        "type": "input",
        "description": "Positive input of AMP0."
      },
      {
        "number": "33",
        "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: The datasheet provides a 32-pin list for QFN32 (4x4mm) with no numbered exposed-pad pin. The pin dia; The datasheet classifies pin types with its own IO codes (AI, AO, DI, DO, DO/DB, P). These were mapp; Descriptions for the high-side bootstrap pins (VBU/VBV/VBW) and the VSU/VSV/VSW reference pins were ",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 28,
        "cost_usd": 0.089,
        "at": "2026-10-20T03:50:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902967249944576",
        "pages": 28,
        "sha256": "b4aab6397459772f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ft8161n-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "d1a3f8647d2b9c62b3422bf9fc9e848eefd5b98bb061e493f8f51ee9093b7f90",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}