FT602Q-B-T

{
  "slug": "ft602q-b-t",
  "version": "0.1.0",
  "type": "component",
  "description": "FTDI USB ICs, QFN-76(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ft602q-b-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ft602q-b-t.kicad_sym",
    "ft602q-b-t.kicad_mod",
    "ft602q-b-t.glb",
    "ft602q-b-t.step",
    "ft602q-b-t.lbr",
    "docs/hero.png",
    "docs/ft602q-b-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ft602q-b-t-hero.glb",
    "ft602q-b-t-hero.overlay.json",
    "ft602q-b-t-etched.glb"
  ],
  "component": {
    "mpn": "FT602Q-B-T",
    "manufacturer": "FTDI",
    "package": "QFN-76(9x9)",
    "pin_count": 77,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "USB ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9d67ba27d9005176975bd38f274f98f4.pdf",
    "parts": {
      "symbol": "ft602q-b-t.kicad_sym",
      "footprint": "ft602q-b-t.kicad_mod",
      "model_3d": "ft602q-b-t-hero.glb",
      "model_3d_plain": "ft602q-b-t-etched.glb",
      "model_3d_step": "ft602q-b-t-etched.step",
      "model_3d_step_plain": "ft602q-b-t.step",
      "lbr": "ft602q-b-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C5742667",
      "digikey": "768-1380-ND",
      "mouser": "895-FT602Q-B-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:47:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "768-1380-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "895-FT602Q-B-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "2",
        "name": "AVDD",
        "type": "power_in",
        "description": "+1.0V power input for the PLL (0.9 to 1.1V operating, can be fed from DV10)."
      },
      {
        "number": "3",
        "name": "VD10",
        "type": "power_in",
        "description": "+1.0V core voltage input."
      },
      {
        "number": "4",
        "name": "BE_0",
        "type": "bidirectional",
        "description": "Parallel FIFO bus byte enable I/O bit 0."
      },
      {
        "number": "5",
        "name": "BE_1",
        "type": "bidirectional",
        "description": "Parallel FIFO bus byte enable I/O bit 1."
      },
      {
        "number": "6",
        "name": "BE_2",
        "type": "bidirectional",
        "description": "Parallel FIFO bus byte enable I/O bit 2."
      },
      {
        "number": "7",
        "name": "BE_3",
        "type": "bidirectional",
        "description": "Parallel FIFO bus byte enable I/O bit 3."
      },
      {
        "number": "8",
        "name": "TXE_N",
        "type": "output",
        "description": "In 245 Synchronous FIFO mode, transmit FIFO empty output (write only when logic 0); in Multi-Channel FIFO mode, optional Status Valid output."
      },
      {
        "number": "9",
        "name": "RXF_N",
        "type": "output",
        "description": "In 245 Synchronous FIFO mode add external pull up in normal operation; in Multi-Channel FIFO mode, Data Receive Acknowledge output."
      },
      {
        "number": "10",
        "name": "RESERVED1",
        "type": "input",
        "description": "Reserved; add external pull up in normal operation."
      },
      {
        "number": "11",
        "name": "WR_N",
        "type": "input",
        "description": "Active-low Write Enable input in 245 Synchronous FIFO mode; Data Transaction Request input in Multi-Channel FIFO mode."
      },
      {
        "number": "12",
        "name": "RESERVED2",
        "type": "input",
        "description": "Add external pull up in normal operation."
      },
      {
        "number": "13",
        "name": "RESERVED3",
        "type": "input",
        "description": "Add external pull up in normal operation."
      },
      {
        "number": "14",
        "name": "VCCIO",
        "type": "power_in",
        "description": "Power input for the I/O block, supports +2.5/+3.3V."
      },
      {
        "number": "15",
        "name": "RESET_N",
        "type": "input",
        "description": "Chip reset input, active low."
      },
      {
        "number": "16",
        "name": "INT_N",
        "type": "input",
        "description": "Interrupt input, active low; used for I2C interrupt request or to wake the device from sleep."
      },
      {
        "number": "17",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C serial clock line (open drain)."
      },
      {
        "number": "18",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line (open drain)."
      },
      {
        "number": "19",
        "name": "RESERVED4",
        "type": "unconnected",
        "description": "Reserved; do not connect."
      },
      {
        "number": "20",
        "name": "VCC33",
        "type": "power_in",
        "description": "+3.3V power input for chip and internal LDO."
      },
      {
        "number": "21",
        "name": "XI",
        "type": "input",
        "description": "Crystal input for the internal oscillator (30MHz crystal recommended)."
      },
      {
        "number": "22",
        "name": "XO",
        "type": "output",
        "description": "Crystal output for the internal oscillator."
      },
      {
        "number": "23",
        "name": "DP",
        "type": "bidirectional",
        "description": "Hi-speed USB differential transceiver (positive)."
      },
      {
        "number": "24",
        "name": "VCC33",
        "type": "power_in",
        "description": "+3.3V power input for chip and internal LDO."
      },
      {
        "number": "25",
        "name": "DM",
        "type": "bidirectional",
        "description": "Hi-speed USB differential transceiver (negative)."
      },
      {
        "number": "26",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "27",
        "name": "RREF",
        "type": "passive",
        "description": "PHY reference resistor pin; connect a 1.6k ohm 1% resistor to ground to provide reference voltage to the USB2 PHY."
      },
      {
        "number": "28",
        "name": "VDDA",
        "type": "power_in",
        "description": "+3.3V power input for the USB2.0 and USB3.0 PHYs."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "30",
        "name": "VD10",
        "type": "power_in",
        "description": "+1.0V core voltage input."
      },
      {
        "number": "31",
        "name": "TODN",
        "type": "output",
        "description": "Super Speed USB transmitter differential pair (negative)."
      },
      {
        "number": "32",
        "name": "TODP",
        "type": "output",
        "description": "Super Speed USB transmitter differential pair (positive)."
      },
      {
        "number": "33",
        "name": "VD10",
        "type": "power_in",
        "description": "+1.0V core voltage input."
      },
      {
        "number": "34",
        "name": "RIDN",
        "type": "input",
        "description": "Super Speed USB receiver differential pair (negative)."
      },
      {
        "number": "35",
        "name": "RIDP",
        "type": "input",
        "description": "Super Speed USB receiver differential pair (positive)."
      },
      {
        "number": "36",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "37",
        "name": "VBUS",
        "type": "power_in",
        "description": "USB bus power detect pin; input voltage should be greater than 2.7V."
      },
      {
        "number": "38",
        "name": "VCC33",
        "type": "power_in",
        "description": "+3.3V power input for chip and internal LDO."
      },
      {
        "number": "39",
        "name": "DV10",
        "type": "power_out",
        "description": "+1.0V output from internal LDO; connect to VD10 and AVDD with a 4.7uF capacitor to ground recommended."
      },
      {
        "number": "40",
        "name": "DATA_0",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 0."
      },
      {
        "number": "41",
        "name": "DATA_1",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 1."
      },
      {
        "number": "42",
        "name": "DATA_2",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 2."
      },
      {
        "number": "43",
        "name": "DATA_3",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 3."
      },
      {
        "number": "44",
        "name": "DATA_4",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 4."
      },
      {
        "number": "45",
        "name": "DATA_5",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 5."
      },
      {
        "number": "46",
        "name": "DATA_6",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 6."
      },
      {
        "number": "47",
        "name": "DATA_7",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 7."
      },
      {
        "number": "48",
        "name": "VD10",
        "type": "power_in",
        "description": "+1.0V core voltage input."
      },
      {
        "number": "49",
        "name": "VCCIO",
        "type": "power_in",
        "description": "Power input for the I/O block, supports +2.5/+3.3V."
      },
      {
        "number": "50",
        "name": "DATA_8",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 8."
      },
      {
        "number": "51",
        "name": "DATA_9",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 9."
      },
      {
        "number": "52",
        "name": "DATA_10",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 10."
      },
      {
        "number": "53",
        "name": "DATA_11",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 11."
      },
      {
        "number": "54",
        "name": "DATA_12",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 12."
      },
      {
        "number": "55",
        "name": "DATA_13",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 13."
      },
      {
        "number": "56",
        "name": "DATA_14",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 14."
      },
      {
        "number": "57",
        "name": "DATA_15",
        "type": "bidirectional",
        "description": "Parallel FIFO bus data I/O bit 15."
      },
      {
        "number": "58",
        "name": "CLK",
        "type": "output",
        "description": "Parallel FIFO bus clock output to the FIFO bus master, configurable as 66MHz or 100MHz for both FIFO bus modes."
      },
      {
        "number": "59",
        "name": "VCCIO",
        "type": "power_in",
        "description": "Power input for the I/O block, supports +2.5/+3.3V."
      },
      {
        "number": "60",
        "name": "DATA_16",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 16."
      },
      {
        "number": "61",
        "name": "DATA_17",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 17."
      },
      {
        "number": "62",
        "name": "DATA_18",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 18."
      },
      {
        "number": "63",
        "name": "DATA_19",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 19."
      },
      {
        "number": "64",
        "name": "DATA_20",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 20."
      },
      {
        "number": "65",
        "name": "DATA_21",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 21."
      },
      {
        "number": "66",
        "name": "DATA_22",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 22."
      },
      {
        "number": "67",
        "name": "DATA_23",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 23."
      },
      {
        "number": "68",
        "name": "VCCIO",
        "type": "power_in",
        "description": "Power input for the I/O block, supports +2.5/+3.3V."
      },
      {
        "number": "69",
        "name": "DATA_24",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 24."
      },
      {
        "number": "70",
        "name": "DATA_25",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 25."
      },
      {
        "number": "71",
        "name": "DATA_26",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 26."
      },
      {
        "number": "72",
        "name": "DATA_27",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 27."
      },
      {
        "number": "73",
        "name": "DATA_28",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 28."
      },
      {
        "number": "74",
        "name": "DATA_29",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 29."
      },
      {
        "number": "75",
        "name": "DATA_30",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 30."
      },
      {
        "number": "76",
        "name": "DATA_31",
        "type": "input",
        "description": "Parallel FIFO bus data input bit 31."
      },
      {
        "number": "77",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The centre exposed pad is internally connected to GND (page 22) but has no pin number in the datashe; The datasheet tables the VCCIO pins as 2.5/3.3V, but other sections and the DC table also allow 1.8V; RREF is listed as an input in the datasheet. I set it to passive because it connects to an external ",
          "2/77 pins cited to the wrong page (name found elsewhere): ['38:VCC33@p9', '59:VCCIO@p9']",
          "1/77 pin names appear NOWHERE in the datasheet text: ['22:XO@p8']"
        ],
        "pages_sent": 28,
        "cost_usd": 0.2363,
        "at": "2026-10-30T16:46:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9d67ba27d9005176975bd38f274f98f4.pdf",
        "pages": 28,
        "sha256": "1f49dbe70a6ac962",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 77,
        "described": 77,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ft602q-b-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          0.87
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ab1064cae4fe9fd862cf68d892e572981a8eef91ec6d357d43dd753058ee5b3",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ft602q-b-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          0.87
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "abdc07146a5dd9edeececa95ce33eac7adbd926969c45e0645ac2838f6c5da86",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "QFN-76",
      "source_page": 22,
      "D": {
        "nom_mm": 9.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 9.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.4,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ft602q-b-t.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}