DS90UB935TRHBTQ1

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  "type": "component",
  "slug": "ds90ub935trhbtq1",
  "title": "DS90UB935TRHBTQ1",
  "brief": "Texas Instruments Serializers, Deserializers, VQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface",
    "ds90ub935trhbtq1",
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  "component": {
    "mpn": "DS90UB935TRHBTQ1",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32(5x5)",
    "pin_count": 33,
    "category": "Interface",
    "subcategory": "Serializers, Deserializers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds90ub935-q1",
    "parts": {
      "symbol": "ds90ub935trhbtq1.kicad_sym",
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      "model_3d_step": "ds90ub935trhbtq1-etched.step",
      "model_3d_step_plain": "ds90ub935trhbtq1.step",
      "lbr": "ds90ub935trhbtq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C3189311",
      "digikey": "296-DS90UB935TRHBTQ1TR-ND",
      "mouser": "595-DS90UB935TRHBTQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T11:57:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DS90UB935TRHBTQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DS90UB935TRHBTQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CSI_D1P",
        "type": "input",
        "description": "CSI-2 data lane 1 positive D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "2",
        "name": "CSI_D1N",
        "type": "input",
        "description": "CSI-2 data lane 1 negative D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "3",
        "name": "CSI_D0P",
        "type": "input",
        "description": "CSI-2 data lane 0 positive D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "4",
        "name": "CSI_D0N",
        "type": "input",
        "description": "CSI-2 data lane 0 negative D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "5",
        "name": "CSI_CLKP",
        "type": "input",
        "description": "CSI-2 clock positive D-PHY input, connect to a CSI-2 clock source with matched 100Ω (±5%) interconnect."
      },
      {
        "number": "6",
        "name": "CSI_CLKN",
        "type": "input",
        "description": "CSI-2 clock negative D-PHY input, connect to a CSI-2 clock source with matched 100Ω (±5%) interconnect."
      },
      {
        "number": "7",
        "name": "RES0",
        "type": "input",
        "description": "Reserved pin, connect to GND."
      },
      {
        "number": "8",
        "name": "PDB",
        "type": "input",
        "description": "Power-down bar input with internal 1MΩ pull-down; high (1.8V) enables the device, low powers it down, and it is not 3.3V tolerant."
      },
      {
        "number": "9",
        "name": "LPF1",
        "type": "passive",
        "description": "Loop filter 1, connect a 0.022µF capacitor to VDDPLL (pin 11) as described in section 7.2.2.4."
      },
      {
        "number": "10",
        "name": "VDDPLL_CAP",
        "type": "passive",
        "description": "Internal regulator decoupling connection, typically 10µF, 0.1µF and 0.01µF to ground; do not connect to an external supply rail."
      },
      {
        "number": "11",
        "name": "VDDPLL",
        "type": "power_in",
        "description": "1.8V (±5%) analog PLL supply pin, typically decoupled with 1µF and 0.01µF to ground."
      },
      {
        "number": "12",
        "name": "LPF2",
        "type": "passive",
        "description": "Loop filter 2, connect a 0.1µF capacitor to GND as described in section 7.2.2.4."
      },
      {
        "number": "13",
        "name": "DOUT-",
        "type": "bidirectional",
        "description": "FPD-Link III negative input/output pin, must be AC-coupled."
      },
      {
        "number": "14",
        "name": "DOUT+",
        "type": "bidirectional",
        "description": "FPD-Link III positive input/output pin, must be AC-coupled."
      },
      {
        "number": "15",
        "name": "VDDDRV_CAP",
        "type": "passive",
        "description": "Internal regulator decoupling connection, typically 10µF, 0.1µF and 0.01µF to ground; do not connect to an external supply rail."
      },
      {
        "number": "16",
        "name": "VDDDRV",
        "type": "power_in",
        "description": "1.8V (±5%) analog supply pin, typically decoupled with 1µF and 0.01µF to ground."
      },
      {
        "number": "17",
        "name": "GPIO_0",
        "type": "bidirectional",
        "description": "General-purpose I/O that can also sense voltage; defaults to input with 300kΩ (typ) internal pull-down at power-up."
      },
      {
        "number": "18",
        "name": "GPIO_1",
        "type": "bidirectional",
        "description": "General-purpose I/O that can also sense voltage; defaults to input with 300kΩ (typ) internal pull-down at power-up."
      },
      {
        "number": "19",
        "name": "CLK_OUT/IDX",
        "type": "bidirectional",
        "description": "Strap input at PDB low-to-high sets I2C pull-up voltage and device address via resistor divider, then becomes CLK_OUT; minimum 35kΩ load when CLK_OUT is used."
      },
      {
        "number": "20",
        "name": "CLKIN",
        "type": "input",
        "description": "Reference clock input for non-synchronous external clock mode; may be left open if unused."
      },
      {
        "number": "21",
        "name": "MODE",
        "type": "input",
        "description": "Mode select strap input, sampled at PDB low-to-high via a resistor divider from VDD18 to GND."
      },
      {
        "number": "22",
        "name": "RES1",
        "type": "input",
        "description": "Reserved pin, do not connect (leave floating)."
      },
      {
        "number": "23",
        "name": "I2C_SDA",
        "type": "bidirectional",
        "description": "Open-drain I2C data pin, pulled up to 1.8V or 3.3V depending on IDX setting."
      },
      {
        "number": "24",
        "name": "I2C_SCL",
        "type": "bidirectional",
        "description": "Open-drain I2C clock pin, pulled up to 1.8V or 3.3V depending on IDX setting."
      },
      {
        "number": "25",
        "name": "VDDD",
        "type": "power_in",
        "description": "1.8V (±5%) supply pin, typically decoupled with 1µF and 0.01µF to ground."
      },
      {
        "number": "26",
        "name": "VDDD_CAP",
        "type": "passive",
        "description": "Internal regulator decoupling connection, typically 10µF, 0.1µF and 0.01µF to ground; do not connect to an external supply rail."
      },
      {
        "number": "27",
        "name": "GPIO_2",
        "type": "bidirectional",
        "description": "General-purpose I/O defaulting to input with 300kΩ (typ) internal pull-down at power-up."
      },
      {
        "number": "28",
        "name": "GPIO_3",
        "type": "bidirectional",
        "description": "General-purpose I/O defaulting to input with 300kΩ (typ) internal pull-down at power-up."
      },
      {
        "number": "29",
        "name": "CSI_D3P",
        "type": "input",
        "description": "CSI-2 data lane 3 positive D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "30",
        "name": "CSI_D3N",
        "type": "input",
        "description": "CSI-2 data lane 3 negative D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "31",
        "name": "CSI_D2P",
        "type": "input",
        "description": "CSI-2 data lane 2 positive D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "32",
        "name": "CSI_D2N",
        "type": "input",
        "description": "CSI-2 data lane 2 negative D-PHY input, connect to a CSI-2 source with matched 100Ω (±5%) interconnect; may be left floating if unused."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed die attach pad (DAP) at the package center, connect to the ground plane."
      }
    ],
    "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 exposed die attach pad is not numbered in the datasheet pin table (listed as 'G'/'DAP = GND'); i; RES1 is listed as type 'I' in the datasheet but the text says it is reserved and must be left floati; Datasheet gives I/O types (OD for I2C, I/O for DOUT and GPIO, I/O for CLK_OUT/IDX); mapped to KiCad ",
          "exposed pad 33 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 49,
        "cost_usd": 0.2662,
        "at": "2026-10-12T11:57:42"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds90ub935-q1",
        "pages": 88,
        "sha256": "e402e3a7c9adfc08",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds90ub935trhbtq1-etched.step",
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        "seat": "z = 0",
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        "sha256": "06ca22b6a6d60098382d8318eaedb5497e993930ea656d784e71c1011ec9a4ae",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-32(5x5)",
      "Category": "Interface",
      "Pins": "33"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "DS90UB935TRHBTQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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