USB2534-1080AEN

{
  "slug": "usb2534-1080aen",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech USB ICs, QFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "usb2534-1080aen",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "usb2534-1080aen.kicad_sym",
    "usb2534-1080aen.kicad_mod",
    "usb2534-1080aen.glb",
    "usb2534-1080aen.step",
    "usb2534-1080aen.lbr",
    "docs/hero.png",
    "docs/usb2534-1080aen-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "usb2534-1080aen-hero.glb",
    "usb2534-1080aen-hero.overlay.json",
    "usb2534-1080aen-etched.glb"
  ],
  "component": {
    "mpn": "USB2534-1080AEN",
    "manufacturer": "Microchip Tech",
    "package": "QFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "USB ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f11ea53eaedbba52ce3c1fa46f348447.pdf",
    "parts": {
      "symbol": "usb2534-1080aen.kicad_sym",
      "footprint": "usb2534-1080aen.kicad_mod",
      "model_3d": "usb2534-1080aen-hero.glb",
      "model_3d_plain": "usb2534-1080aen-etched.glb",
      "model_3d_step": "usb2534-1080aen-etched.step",
      "model_3d_step_plain": "usb2534-1080aen.step",
      "lbr": "usb2534-1080aen.lbr"
    },
    "distributor_links": {
      "lcsc": "C633344",
      "digikey": "USB2534-1080AEN-ND",
      "mouser": "579-USB2534-1080AEN"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T03:57:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "USB2534-1080AEN-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-USB2534-1080AEN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SWAP_USBDN1_DM/PRT_DIS_M1",
        "type": "bidirectional",
        "description": "Downstream USB Port 1 D- data signal, optionally swappable with upstream Port 0; PRT_DIS_M1 must be tied to VDD33 at reset together with PRT_DIS_P1 to disable Port 1."
      },
      {
        "number": "2",
        "name": "SWAP_USBDN1_DP/PRT_DIS_P1",
        "type": "bidirectional",
        "description": "Downstream USB Port 1 D+ data signal, optionally swappable with upstream Port 0; PRT_DIS_P1 must be tied to VDD33 at reset together with PRT_DIS_M1 to disable Port 1."
      },
      {
        "number": "3",
        "name": "USBDN2_DM/PRT_DIS_M2",
        "type": "bidirectional",
        "description": "Downstream USB Port 2 D- data signal; PRT_DIS_M2 must be tied to VDD33 at reset together with PRT_DIS_P2 to disable Port 2."
      },
      {
        "number": "4",
        "name": "USBDN2_DP/PRT_DIS_P2",
        "type": "bidirectional",
        "description": "Downstream USB Port 2 D+ data signal; PRT_DIS_P2 must be tied to VDD33 at reset together with PRT_DIS_M2 to disable Port 2."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; must be left floating for normal device operation."
      },
      {
        "number": "6",
        "name": "USBDN3_DM/PRT_DIS_M3",
        "type": "bidirectional",
        "description": "Downstream USB Port 3 D- data signal; PRT_DIS_M3 must be tied to VDD33 at reset together with PRT_DIS_P3 to disable Port 3."
      },
      {
        "number": "7",
        "name": "USBDN3_DP/PRT_DIS_P3",
        "type": "bidirectional",
        "description": "Downstream USB Port 3 D+ data signal; PRT_DIS_P3 must be tied to VDD33 at reset together with PRT_DIS_M3 to disable Port 3."
      },
      {
        "number": "8",
        "name": "USBDN4_DM/PRT_DIS_M4",
        "type": "bidirectional",
        "description": "Downstream USB Port 4 D- data signal; PRT_DIS_M4 must be tied to VDD33 at reset together with PRT_DIS_P4 to disable Port 4."
      },
      {
        "number": "9",
        "name": "USBDN4_DP/PRT_DIS_P4",
        "type": "bidirectional",
        "description": "Downstream USB Port 4 D+ data signal; PRT_DIS_P4 must be tied to VDD33 at reset together with PRT_DIS_M4 to disable Port 4."
      },
      {
        "number": "10",
        "name": "VDDA33",
        "type": "power_in",
        "description": "+3.3V analog power supply; must be connected to VDD33."
      },
      {
        "number": "11",
        "name": "LED0/FLEX_IN",
        "type": "output",
        "description": "For the USB2534 (not PF) this pin is General Purpose LED 0 output, configurable to blink or breathe at various rates and enabled only via the Protouch tool."
      },
      {
        "number": "12",
        "name": "PRTPWR1/PRTCTL1/BC_EN1",
        "type": "bidirectional",
        "description": "Port 1 power output (0 = power disabled, 1 = power enabled) that also serves as PRTCTL1 with OCS1_N; BC_EN1 strap high at reset enables battery charging on Port 1."
      },
      {
        "number": "13",
        "name": "OCS1_N",
        "type": "input",
        "description": "Active-low over-current sense input from an external current monitor for USB Port 1, internally pulled up (50 µA typical); must be pulled high at POR for UCS100x compatibility."
      },
      {
        "number": "14",
        "name": "VDDCR12",
        "type": "power_out",
        "description": "+1.2V core power supply from the internal regulator; a 1.0 µF (<1 Ω ESR) capacitor to ground is required for regulator stability, placed as close to the device as possible."
      },
      {
        "number": "15",
        "name": "VDD33",
        "type": "power_in",
        "description": "+3.3V power supply; must be connected to VDDA33."
      },
      {
        "number": "16",
        "name": "PRTPWR2/PRTCTL2/BC_EN2",
        "type": "bidirectional",
        "description": "Port 2 power output (0 = power disabled, 1 = power enabled) that also serves as PRTCTL2 with OCS2_N; BC_EN2 strap high at reset enables battery charging on Port 2."
      },
      {
        "number": "17",
        "name": "OCS2_N",
        "type": "input",
        "description": "Active-low over-current sense input from an external current monitor for USB Port 2, internally pulled up (50 µA typical)."
      },
      {
        "number": "18",
        "name": "PRTPWR3/PRTCTL3/BC_EN3",
        "type": "bidirectional",
        "description": "Port 3 power output (0 = power disabled, 1 = power enabled) that also serves as PRTCTL3 with OCS3_N; BC_EN3 strap high at reset enables battery charging on Port 3."
      },
      {
        "number": "19",
        "name": "UART_RX/OCS3_N",
        "type": "input",
        "description": "Internal UART receive input (3.3V signal; RS232 operation requires an external 12V translator) and, as OCS3_N, an active-low over-current sense input for Port 3 with internal pull-up."
      },
      {
        "number": "20",
        "name": "PRTPWR4/PRTCTL4/BC_EN4",
        "type": "bidirectional",
        "description": "Port 4 power output (0 = power disabled, 1 = power enabled) that also serves as PRTCTL4 with OCS4_N; BC_EN4 strap high at reset enables battery charging on Port 4."
      },
      {
        "number": "21",
        "name": "UART_TX/OCS4_N",
        "type": "output",
        "description": "Internal UART transmit output (3.3V signal; RS232 operation requires an external 12V driver) and, as OCS4_N, an active-low over-current sense input for Port 4 with internal pull-up."
      },
      {
        "number": "22",
        "name": "SDA/SMBDATA/NON_REM1",
        "type": "bidirectional",
        "description": "I2C bidirectional serial data (IS/OD8, 8 mA sink), alternatively SMBus serial data; also the NON_REM1 configuration strap sampled at RESET_N negation."
      },
      {
        "number": "23",
        "name": "VDD33",
        "type": "power_in",
        "description": "+3.3V power supply; must be connected to VDDA33."
      },
      {
        "number": "24",
        "name": "SCL/SMBCLK/CFG_SEL0",
        "type": "input",
        "description": "I2C serial clock input (SMBus clock alternatively), also the CFG_SEL0 strap used with CFG_SEL1 to set the hub configuration method."
      },
      {
        "number": "25",
        "name": "HS_IND/CFG_SEL1",
        "type": "output",
        "description": "High-speed indicator for the upstream connection (active high if CFG_SEL1=0, active low if CFG_SEL1=1); also the CFG_SEL1 configuration strap used with CFG_SEL0."
      },
      {
        "number": "26",
        "name": "RESET_N",
        "type": "input",
        "description": "Active-low system reset input; the active-low pulse must be at least 5 µs wide, and the regulators are controlled by this pin."
      },
      {
        "number": "27",
        "name": "VBUS_DET",
        "type": "input",
        "description": "Detects upstream bus power; for detachable hubs connect to upstream VBUS through a 50k/100k resistor divider to provide 3.3V, and for permanently attached hosts connect to 3.3V or 5.0V via a divider to provide 3.3V."
      },
      {
        "number": "28",
        "name": "SUSP_IND/LOCAL_PWR/NON_REM0",
        "type": "output",
        "description": "Open-drain (8 mA sink) suspend indicator (default function, 0 = unconfigured or suspended, 1 = configured and active); also LOCAL_PWR self-power detect input and NON_REM0 configuration strap."
      },
      {
        "number": "29",
        "name": "VDDA33",
        "type": "power_in",
        "description": "+3.3V analog power supply; must be connected to VDD33."
      },
      {
        "number": "30",
        "name": "FLEX_USBUP_DM",
        "type": "bidirectional",
        "description": "Upstream USB Port 0 D- data signal, optionally swappable with downstream Port 1 signals."
      },
      {
        "number": "31",
        "name": "FLEX_USBUP_DP",
        "type": "bidirectional",
        "description": "Upstream USB Port 0 D+ data signal, optionally swappable with downstream Port 1 signals."
      },
      {
        "number": "32",
        "name": "XTAL2",
        "type": "output",
        "description": "External 24 MHz crystal output (oscillator output pin); left unconnected when REFCLK is driven by a single-ended clock oscillator."
      },
      {
        "number": "33",
        "name": "XTAL1/REFCLK",
        "type": "input",
        "description": "External 24 MHz crystal input, or reference clock input when driven by a single-ended clock oscillator."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; must be left floating for normal device operation."
      },
      {
        "number": "35",
        "name": "RBIAS",
        "type": "passive",
        "description": "External USB transceiver bias pin; a 12.0k (+/-1%) resistor is attached from this pin to ground to set the transceiver's internal bias settings."
      },
      {
        "number": "36",
        "name": "VDDA33",
        "type": "power_in",
        "description": "+3.3V analog power supply; must be connected to VDD33."
      },
      {
        "number": "37",
        "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 exposed ground pad on the package bottom (Ground Pad, VSS, to be connected to the ground plane w; Pin 11 is LED0/FLEX_IN; the datasheet says LED0 is for USB2534 and FLEX_IN for USB2534PF, so for the; Several pins are multi-function with different buffer types; the type given is the primary/default f",
          "exposed pad 37 added from the footprint",
          "9/37 pins cited to the wrong page (name found elsewhere): ['17:OCS2_N@p11', '19:UART_RX/OCS3_N@p11', '21:UART_TX/OCS4_N@p11', '22:SDA/SMBDATA/NON_REM1@p11']",
          "1/37 pin names appear NOWHERE in the datasheet text: ['32:XTAL2@p11']"
        ],
        "pages_sent": 24,
        "cost_usd": 0.1318,
        "at": "2026-10-29T03:57:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f11ea53eaedbba52ce3c1fa46f348447.pdf",
        "pages": 46,
        "sha256": "3a3c7a3bafc03245",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "usb2534-1080aen.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "usb2534-1080aen-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d29151c5a1587eecba8a628196d23347d7acd5fd2b04e3a5f1e413d4735bdaf0",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}