DS90UB925QSQX

{
  "slug": "ds90ub925qsqx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Interface - Specialized, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ds90ub925qsqx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds90ub925qsqx.kicad_sym",
    "ds90ub925qsqx.kicad_mod",
    "ds90ub925qsqx.glb",
    "ds90ub925qsqx.step",
    "ds90ub925qsqx.lbr",
    "docs/hero.png",
    "docs/ds90ub925qsqx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DS90UB925QSQX",
    "manufacturer": "Texas Instruments",
    "package": "QFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds90ub925q-q1",
    "parts": {
      "symbol": "ds90ub925qsqx.kicad_sym",
      "footprint": "ds90ub925qsqx.kicad_mod",
      "model_3d": "ds90ub925qsqx-etched.glb",
      "model_3d_plain": "ds90ub925qsqx.glb",
      "model_3d_step": "ds90ub925qsqx-etched.step",
      "model_3d_step_plain": "ds90ub925qsqx.step",
      "lbr": "ds90ub925qsqx.lbr"
    },
    "distributor_links": {
      "lcsc": "C194553"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T01:30:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DIN22 / B6",
        "type": "input",
        "description": "LVCMOS parallel interface data input (blue bit 6) with pull-down; leave open if unused."
      },
      {
        "number": "2",
        "name": "DIN23 / B7",
        "type": "input",
        "description": "LVCMOS parallel interface data input (blue bit 7) with pull-down; leave open if unused."
      },
      {
        "number": "3",
        "name": "HS",
        "type": "input",
        "description": "Horizontal sync LVCMOS input with pull-down; pulse width must be 3 PCLKs or longer when the Control Signal Filter is enabled, limited to 2 transitions per 130 PCLKs."
      },
      {
        "number": "4",
        "name": "VS",
        "type": "power_in",
        "description": "Vertical sync LVCMOS input with pull-down; limited to 1 transition per 130 PCLKs, so minimum pulse width is 130 PCLKs."
      },
      {
        "number": "5",
        "name": "DE",
        "type": "input",
        "description": "Data enable LVCMOS input with pull-down; pulse width must be 3 PCLKs or longer when the Control Signal Filter is enabled, limited to 2 transitions per 130 PCLKs."
      },
      {
        "number": "6",
        "name": "IDx",
        "type": "input",
        "description": "Analog I2C device ID address select; connect to external pull-up to VDD33 and pull-down resistor forming a voltage divider, do not float."
      },
      {
        "number": "7",
        "name": "CAPL12",
        "type": "passive",
        "description": "Decoupling capacitor connection for on-chip regulator; requires two 4.7uF capacitors to GND."
      },
      {
        "number": "8",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock input/output, open drain; must have external pull-up to VDD33 (recommended 4.7k\u03a9), do not float."
      },
      {
        "number": "9",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data input/output, open drain; must have external pull-up to VDD33 (recommended 4.7k\u03a9), do not float."
      },
      {
        "number": "10",
        "name": "PCLK",
        "type": "input",
        "description": "Pixel clock LVCMOS input with pull-down; strobe edge set by RFB configuration register, 5 to 85 MHz."
      },
      {
        "number": "11",
        "name": "I2S_DA / GPO_REG6",
        "type": "input",
        "description": "I2S audio data input with pull-down, optionally usable as GPO_REG6; leave open if unused."
      },
      {
        "number": "12",
        "name": "I2S_WC / GPO_REG7",
        "type": "input",
        "description": "I2S audio word clock input with pull-down, optionally usable as GPO_REG7; leave open if unused."
      },
      {
        "number": "13",
        "name": "I2S_CLK / GPO_REG8",
        "type": "input",
        "description": "I2S audio clock input with pull-down, optionally usable as GPO_REG8; leave open if unused."
      },
      {
        "number": "14",
        "name": "CAPP12",
        "type": "passive",
        "description": "Decoupling capacitor connection for on-chip regulator; requires a 4.7uF capacitor to GND."
      },
      {
        "number": "15",
        "name": "RES0",
        "type": "passive",
        "description": "Reserved; tie to ground."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally; do not connect."
      },
      {
        "number": "17",
        "name": "CAPHS12",
        "type": "passive",
        "description": "Decoupling capacitor connection for on-chip regulator; requires a 4.7uF capacitor to GND."
      },
      {
        "number": "18",
        "name": "RES1",
        "type": "passive",
        "description": "Reserved; tie to ground."
      },
      {
        "number": "19",
        "name": "DOUT-",
        "type": "output",
        "description": "Inverting FPD-Link III serial output; must be AC-coupled with a 0.1\u00b5F capacitor."
      },
      {
        "number": "20",
        "name": "DOUT+",
        "type": "output",
        "description": "True FPD-Link III serial output; must be AC-coupled with a 0.1\u00b5F capacitor."
      },
      {
        "number": "21",
        "name": "PDB",
        "type": "input",
        "description": "Power-down input with pull-down; H = normal operation, L = powered down with outputs HIGH, PLL shut down and registers reset."
      },
      {
        "number": "22",
        "name": "VDD33",
        "type": "power_in",
        "description": "Power to on-chip regulator, 3.0 V to 3.6 V; requires 4.7uF to GND."
      },
      {
        "number": "23",
        "name": "CMF",
        "type": "passive",
        "description": "Analog common mode filter; connect 0.1\u00b5F to GND."
      },
      {
        "number": "24",
        "name": "MODE_SEL",
        "type": "input",
        "description": "Analog device configuration select input; see Table 4."
      },
      {
        "number": "25",
        "name": "DIN0 / R0 / GPIO0",
        "type": "bidirectional",
        "description": "LVCMOS parallel data input with pull-down, optionally GPIO0 in 18-bit color mode; leave open if unused."
      },
      {
        "number": "26",
        "name": "DIN1 / R1 / GPIO1",
        "type": "bidirectional",
        "description": "LVCMOS parallel data input with pull-down, optionally GPIO1 in 18-bit color mode; leave open if unused."
      },
      {
        "number": "27",
        "name": "DIN2 / R2",
        "type": "input",
        "description": "LVCMOS parallel data input (red bit 2) with pull-down; leave open if unused."
      },
      {
        "number": "28",
        "name": "DIN3 / R3",
        "type": "input",
        "description": "LVCMOS parallel data input (red bit 3) with pull-down; leave open if unused."
      },
      {
        "number": "29",
        "name": "DIN4 / R4",
        "type": "input",
        "description": "LVCMOS parallel data input (red bit 4) with pull-down; leave open if unused."
      },
      {
        "number": "30",
        "name": "VDDIO",
        "type": "power_in",
        "description": "LVCMOS I/O power, 1.8 V \u00b15% or 3.0 V to 3.6 V; requires 4.7uF to GND."
      },
      {
        "number": "31",
        "name": "INTB",
        "type": "output",
        "description": "Open-drain interrupt output, H = normal, L = interrupt request; recommended 4.7k\u03a9 pull-up to VDDIO."
      },
      {
        "number": "32",
        "name": "DIN5 / R5",
        "type": "input",
        "description": "LVCMOS parallel data input (red bit 5) with pull-down; leave open if unused."
      },
      {
        "number": "33",
        "name": "DIN6 / R6",
        "type": "input",
        "description": "LVCMOS parallel data input (red bit 6) with pull-down; leave open if unused."
      },
      {
        "number": "34",
        "name": "DIN7 / R7",
        "type": "input",
        "description": "LVCMOS parallel data input (red bit 7) with pull-down; leave open if unused."
      },
      {
        "number": "35",
        "name": "DIN8 / G0 / GPIO2",
        "type": "bidirectional",
        "description": "LVCMOS parallel data input with pull-down, optionally GPIO2 in 18-bit color mode; leave open if unused."
      },
      {
        "number": "36",
        "name": "DIN9 / G1 / GPIO3",
        "type": "bidirectional",
        "description": "LVCMOS parallel data input with pull-down, optionally GPIO3 in 18-bit color mode; leave open if unused."
      },
      {
        "number": "37",
        "name": "DIN10 / G2",
        "type": "input",
        "description": "LVCMOS parallel data input (green bit 2) with pull-down; leave open if unused."
      },
      {
        "number": "38",
        "name": "DIN11 / G3",
        "type": "input",
        "description": "LVCMOS parallel data input (green bit 3) with pull-down; leave open if unused."
      },
      {
        "number": "39",
        "name": "DIN12 / G4",
        "type": "input",
        "description": "LVCMOS parallel data input (green bit 4) with pull-down; leave open if unused."
      },
      {
        "number": "40",
        "name": "DIN13 / G5",
        "type": "input",
        "description": "LVCMOS parallel data input (green bit 5) with pull-down; leave open if unused."
      },
      {
        "number": "41",
        "name": "DIN14 / G6",
        "type": "input",
        "description": "LVCMOS parallel data input (green bit 6) with pull-down; leave open if unused."
      },
      {
        "number": "42",
        "name": "DIN15 / G7",
        "type": "input",
        "description": "LVCMOS parallel data input (green bit 7) with pull-down; leave open if unused."
      },
      {
        "number": "43",
        "name": "DIN16 / B0 / GPO_REG4",
        "type": "input",
        "description": "LVCMOS parallel data input with pull-down, optionally GPO_REG4 output set by configuration register; leave open if unused."
      },
      {
        "number": "44",
        "name": "DIN17 / B1 / I2S_DB / GPO_REG5",
        "type": "input",
        "description": "LVCMOS parallel data input with pull-down, usable as second-channel I2S data in 18-bit color mode or GPO_REG5; leave open if unused."
      },
      {
        "number": "45",
        "name": "DIN18 / B2",
        "type": "input",
        "description": "LVCMOS parallel data input (blue bit 2) with pull-down; leave open if unused."
      },
      {
        "number": "46",
        "name": "DIN19 / B3",
        "type": "input",
        "description": "LVCMOS parallel data input (blue bit 3) with pull-down; leave open if unused."
      },
      {
        "number": "47",
        "name": "DIN20 / B4",
        "type": "input",
        "description": "LVCMOS parallel data input (blue bit 4) with pull-down; leave open if unused."
      },
      {
        "number": "48",
        "name": "DIN21 / B5",
        "type": "input",
        "description": "LVCMOS parallel data input (blue bit 5) with pull-down; leave open if unused."
      },
      {
        "number": "49",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 25, 26, 35, 36, 43, and 44 have multiple functional modes (GPIO vs DIN vs GPO_REG) that depend ",
          "exposed pad 49 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1924,
        "at": "2026-10-01T01:30:35"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds90ub925q-q1",
        "pages": 53,
        "sha256": "160abb2a015dc261",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}