USB2534I-1080AEN (SQFN-36-EP(6x6)) — Schematic Symbol, IPC-7351B Footprint & 3D STEP Model

Q: What is the Pinout and operating voltage specification of USB2534I-1080AEN (SQFN-36-EP(6x6))?

Manufactured by MICROCHIP, the USB2534I-1080AEN is housed in a SQFN-36-EP(6x6) package with 37 pins and a 0.50 mm lead pitch. Key pins include: 1 (Port3Power Output: Multiplexed I/O & Peripheral Pin Port3Power Output (USB)), 2 (+33VPower . Supply: Multiplexed I/O & Peripheral Pin +33VPower . Supply (General)), 3 (3V3: 3.3V Main Power Supply Rail (3.0V ~ 3.6V)), 4 (USBDN2 DP/PRT_DISP2__: Multiplexed I/O & Peripheral Pin USBDN2 DP/PRT_DISP2__ (USB)), 5 (NC: Multiplexed I/O & Peripheral Pin NC (General)), 6 (USBDN3 DM/PRT_DISM3__: Multiplexed I/O & Peripheral Pin USBDN3 DM/PRT_DISM3__ (USB)).

Q: What are the IPC-7351B PCB Footprint dimensions for USB2534I-1080AEN?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), USB2534I-1080AEN (SQFN-36-EP(6x6)) has a nominal body envelope of 6.00 × 6.00 mm, pitch e = 0.50 mm, and 37 copper pads plus a central exposed thermal pad (EPAD) of 3.70 × 3.70 mm with a 60% IPC-7525 windowed solder paste grid.

Q: Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for USB2534I-1080AEN?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for USB2534I-1080AEN (MICROCHIP, SQFN-36-EP(6x6)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

1. SYMBOL

2. 2D FOOTPRINT

3. 3D CAD MODEL

Package Body: 6.00mm × 6.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (37/37)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D

Pin	Symbol	Type	Function (EN)
1	Port3Power Output	I/O	Multiplexed I/O & Peripheral Pin Port3Power Output (USB)
2	+33VPower . Supply	I/O	Multiplexed I/O & Peripheral Pin +33VPower . Supply (General)
3	3V3	Power	3.3V Main Power Supply Rail (3.0V ~ 3.6V)
4	USBDN2 DP/PRT_DISP2__	I/O	Multiplexed I/O & Peripheral Pin USBDN2 DP/PRT_DISP2__ (USB)
5	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
6	USBDN3 DM/PRT_DISM3__	I/O	Multiplexed I/O & Peripheral Pin USBDN3 DM/PRT_DISM3__ (USB)
7	USBDN3 DP/PRT_DISP3__	I/O	Multiplexed I/O & Peripheral Pin USBDN3 DP/PRT_DISP3__ (USB)
8	USBDN4 DM/PRT_DISM4__	I/O	Multiplexed I/O & Peripheral Pin USBDN4 DM/PRT_DISM4__ (USB)
9	USBDN4 DP/PRT_DISP4__	I/O	Multiplexed I/O & Peripheral Pin USBDN4 DP/PRT_DISP4__ (USB)
10	VDDA33	Power	Power Supply Input (VDDA33 — 3.3V / 5.0V Standard Logic)
11	LED0	I/O	Multiplexed I/O & Peripheral Pin LED0 (General)
12	PRTPWR1/PRTCTL1/BC_EN1	I/O	Multiplexed I/O & Peripheral Pin PRTPWR1/PRTCTL1/BC_EN1 (General)
13	OCS1_N	I/O	Multiplexed I/O & Peripheral Pin OCS1_N (General)
14	VDDCR12	Power	Power Supply Input (VDDCR12 — 3.3V / 5.0V Standard Logic)
15	VDD33	Power	Power Supply Input (VDD33 — 3.3V / 5.0V Standard Logic)
16	PRTPWR2/PRTCTL2/BC_EN2	I/O	Multiplexed I/O & Peripheral Pin PRTPWR2/PRTCTL2/BC_EN2 (General)
17	OCS2_N	I/O	Multiplexed I/O & Peripheral Pin OCS2_N (General)
18	PRTPWR3/PRTCTL3/BC_EN3	I/O	Multiplexed I/O & Peripheral Pin PRTPWR3/PRTCTL3/BC_EN3 (General)
19	UART_RX/OCS3_N	I/O	Multiplexed I/O & Peripheral Pin UART_RX/OCS3_N (UART)
20	PRTPWR4/PRTCTL4/BC_EN4	I/O	Multiplexed I/O & Peripheral Pin PRTPWR4/PRTCTL4/BC_EN4 (General)
21	UART_TX/OCS4_N	I/O	Multiplexed I/O & Peripheral Pin UART_TX/OCS4_N (UART)
22	SDA/SMBDATA/NON_REM1	I/O	Multiplexed I/O & Peripheral Pin SDA/SMBDATA/NON_REM1 (I2C)
23	VDD33	Power	Power Supply Input (VDD33 — 3.3V / 5.0V Standard Logic)
24	SCL/SMBCLK/CFG_SEL0	I/O	Multiplexed I/O & Peripheral Pin SCL/SMBCLK/CFG_SEL0 (I2C)
25	HS_IND/CFG_SEL1	I/O	Multiplexed I/O & Peripheral Pin HS_IND/CFG_SEL1 (General)
26	RESET_N	I	System Enable & Hardware Reset (RESET_N)
27	VBUS_DET	Power	Power Supply Input (VBUS_DET — 3.3V / 5.0V Standard Logic)
28	IO33	I/O	GPIO33 / FSPIHD / SUBSPIHD / SPIIO4
29	VDDA33	Power	Power Supply Input (VDDA33 — 3.3V / 5.0V Standard Logic)
30	FLEX_USBUP_DM	I/O	Multiplexed I/O & Peripheral Pin FLEX_USBUP_DM (USB)
31	FLEX_USBUP_DP	I/O	Multiplexed I/O & Peripheral Pin FLEX_USBUP_DP (USB)
32	XTAL2	I/O	Multiplexed I/O & Peripheral Pin XTAL2 (RTC/CLK)
33	XTAL1/REFCLK	I/O	Multiplexed I/O & Peripheral Pin XTAL1/REFCLK (RTC/CLK)
34	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
35	RBIAS	I/O	Multiplexed I/O & Peripheral Pin RBIAS (General)
36	VDDA33	Power	Power Supply Input (VDDA33 — 3.3V / 5.0V Standard Logic)
37	EP	GND	Exposed Thermal & Ground Pad (EP)

PIN 1 Port3Power Output

I/O

Multiplexed I/O & Peripheral Pin Port3Power Output (USB)

Design note: Enables power to a downstream USB device attached to Por t 3 . 0 = Power disabled on downstream Port 3 1 = Power enabled on downstream Port 3

IPC-7351B Solder Density & Span C/G/Z Tuner

Extracted Drawings Gallery (6 Standard Drawings + 7 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen

1. Realistic 3D PackageREPRESENTATIVE

USB2534I-1080AEN (SQFN-36-EP(6x6)) - 1. Realistic 3D Package

Detailed solid 3D bodyExpand ›

2. Standard Pinout (Top View)CLEANROOM PINOUT

USB2534I-1080AEN (SQFN-36-EP(6x6)) - 2. Standard Pinout (Top View)

True package pinout (37 pins)Expand ›

3. Original Datasheet PinoutPDF PINOUT

USB2534I-1080AEN (SQFN-36-EP(6x6)) - 3. Original Datasheet Pinout

Uncropped datasheet pin diagramExpand ›

4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS

USB2534I-1080AEN (SQFN-36-EP(6x6)) - 4. Package Dimensions (D×E×A)

SQFN-36-EP(6x6) · 6.00×6.00mm · Pitch 0.50mmExpand ›

5. Recommended Land PatternLAND PATTERN

USB2534I-1080AEN (SQFN-36-EP(6x6)) - 5. Recommended Land Pattern

IPC-7351B Footprint (37 Pads)Expand ›

6. Application SchematicSCHEMATIC

USB2534I-1080AEN (SQFN-36-EP(6x6)) - 6. Application Schematic

Typical Application SchematicExpand ›

Original Datasheet Pinouts & Technical Drawings (7 figures · Page 1/1)

Showing 1–7 of 7 uncropped original figures for USB2534

P1 · p01_fig01434×227px

USB 2.0 Hi-Speed 4-Port Hub Controller

P2 · p02_fig011098×1068px

Datasheet

P10 · p10_fig011734×1759px

Figure 3.1 36-SQFN Pin Assignments

P10 · p10_fig01P10

Datasheet Page 10 (p10_fig01)

P48 · p48_fig011500×1966px

Figure 10.1 36-SQFN Package Drawing

P48 · p48_fig02160×357px

(

P48 · p48_fig01P48

Datasheet Page 48 (p48_fig01)

Technical Specifications & Part Details (USB2534I-1080AEN)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)

Standard Electronic & Interconnect Component

Detailed Overview:USB2534I-1080AEN (SQFN-36-EP(6x6)) is a 36-pin standard electronic & interconnect component featuring a 6.00 × 6.00 × 0.90 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across 0°C to +70°C with integrated USB, I2C, RTC/CLK, UART interfaces.

Operating Supply VoltageV_CC / V_DD

1.8V ~ 5.5V (Theo Datasheet)

Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins

Ambient Operating TemperatureT_A

0°C to +70°C

Industrial temperature grade; T_J(max) = +125°C

Clock / RF Operating Frequencyf_CLK / f_RF

24MHz

Extracted from authoritative PDF specification tables

Current & Power RatingI_OUT / I_CC

I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA

Observe per-pin absolute maximum current limits

Package Envelope (D × E × A)D × E × A

6.00 × 6.00 × 0.90 mm (A1=0.03 mm)

Package family: QFN (SQFN-36-EP(6x6))

Pin Count & Lead PitchN / e

36 Pins | Pitch e = 0.50 mm (19.7 mil)

Normalized to Center-to-Center Span C per IPC-7351B

Integrated Peripheral InterfacesBuses

USB, I2C, RTC/CLK, UART

Cross-linked with 4D Pinout & Schematic Symbol

Reflow & Moisture SensitivityIPC / MSL

IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3

60% windowed solder paste stencil on thermal EPAD

Engineering Safety Alert: Verify Pin-1 chamfer orientation on Top Silkscreen prior to SMT pick-and-place assembly.

Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export

5/5 PASS

IEEE-315 Symbol37 auto-grouped pins

IPC-7351B Land Pattern37 pads · Pitch 0.50mm

IPC-7525 60% Solder PasteEPAD 3.70×3.70mm windowed grid

DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm

3D STEP AP214 & GLBAligned coordinate origin (0,0,0)

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet

5.00 PCB Verified

Mechanical Dimensions & Land Pattern (SQFN-36-EP(6x6))

Extracted from Datasheet & IPC-7351B Normalized

Package Body (D × E)Nominal

6.00 × 6.00 mm

Height (A) & Pitch (e)IPC-7351B

A=0.90mm · e=0.50mm

Pad Size (W × L)Level B

0.28 × 0.80 mm

Pins / Total PadsTopology

37P / 37Pad (QUAD_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives

DFM READY

Designator / Replacement MPN	Value / Package	Function & PCB Layout Rule
N/A BOM	Per application circuit SQFN-36-EP(6x6)	Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — USB2534I-1080AEN (SQFN-36-EP(6x6))

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats

IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of USB2534I-1080AEN (SQFN-36-EP(6x6))?

Manufactured by MICROCHIP, the USB2534I-1080AEN is housed in a SQFN-36-EP(6x6) package with 37 pins and a 0.50 mm lead pitch. Key pins include: 1 (Port3Power Output: Multiplexed I/O & Peripheral Pin Port3Power Output (USB)), 2 (+33VPower . Supply: Multiplexed I/O & Peripheral Pin +33VPower . Supply (General)), 3 (3V3: 3.3V Main Power Supply Rail (3.0V ~ 3.6V)), 4 (USBDN2 DP/PRT_DISP2__: Multiplexed I/O & Peripheral Pin USBDN2 DP/PRT_DISP2__ (USB)), 5 (NC: Multiplexed I/O & Peripheral Pin NC (General)), 6 (USBDN3 DM/PRT_DISM3__: Multiplexed I/O & Peripheral Pin USBDN3 DM/PRT_DISM3__ (USB)).

What are the IPC-7351B PCB Footprint dimensions for USB2534I-1080AEN?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), USB2534I-1080AEN (SQFN-36-EP(6x6)) has a nominal body envelope of 6.00 × 6.00 mm, pitch e = 0.50 mm, and 37 copper pads plus a central exposed thermal pad (EPAD) of 3.70 × 3.70 mm with a 60% IPC-7525 windowed solder paste grid.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for USB2534I-1080AEN?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for USB2534I-1080AEN (MICROCHIP, SQFN-36-EP(6x6)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (37 pins) & USB2534 Family VariantsExpand static table

Pin #	Signal Name	Electrical Type	Functional Description & Design Notes
1	Port3Power Output	Digital_IO	Signal terminal Port3Power Output (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: Port3Power Output. Supported peripheral buses: USB.
2	+33VPower . Supply	Digital_IO	Signal terminal +33VPower . Supply (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: +33VPower . Supply. Supported peripheral buses: General.
3	3V3	Power_In	3.3V Main Power Supply Rail (3.0V ~ 3.6V)
4	USBDN2 DP/PRT_DISP2__	Digital_IO	Signal terminal USBDN2 DP/PRT_DISP2__ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: USBDN2 DP/PRT_DISP2__. Supported peripheral buses: USB.
5	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
6	USBDN3 DM/PRT_DISM3__	Digital_IO	Signal terminal USBDN3 DM/PRT_DISM3__ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: USBDN3 DM/PRT_DISM3__. Supported peripheral buses: USB.
7	USBDN3 DP/PRT_DISP3__	Digital_IO	Signal terminal USBDN3 DP/PRT_DISP3__ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: USBDN3 DP/PRT_DISP3__. Supported peripheral buses: USB.
8	USBDN4 DM/PRT_DISM4__	Digital_IO	Signal terminal USBDN4 DM/PRT_DISM4__ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: USBDN4 DM/PRT_DISM4__. Supported peripheral buses: USB.
9	USBDN4 DP/PRT_DISP4__	Digital_IO	Signal terminal USBDN4 DP/PRT_DISP4__ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: USBDN4 DP/PRT_DISP4__. Supported peripheral buses: USB.
10	VDDA33	Power_In	Primary positive power supply input (VDDA33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
11	LED0	Digital_IO	Signal terminal LED0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LED0. Supported peripheral buses: General.
12	PRTPWR1/PRTCTL1/BC_EN1	Digital_IO	Signal terminal PRTPWR1/PRTCTL1/BC_EN1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PRTPWR1/PRTCTL1/BC_EN1. Supported peripheral buses: General.
13	OCS1_N	Digital_IO	Signal terminal OCS1_N (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: OCS1_N. Supported peripheral buses: General.
14	VDDCR12	Power_In	Primary positive power supply input (VDDCR12) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
15	VDD33	Power_In	Primary positive power supply input (VDD33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
16	PRTPWR2/PRTCTL2/BC_EN2	Digital_IO	Signal terminal PRTPWR2/PRTCTL2/BC_EN2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PRTPWR2/PRTCTL2/BC_EN2. Supported peripheral buses: General.
17	OCS2_N	Digital_IO	Signal terminal OCS2_N (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: OCS2_N. Supported peripheral buses: General.
18	PRTPWR3/PRTCTL3/BC_EN3	Digital_IO	Signal terminal PRTPWR3/PRTCTL3/BC_EN3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PRTPWR3/PRTCTL3/BC_EN3. Supported peripheral buses: General.
19	UART_RX/OCS3_N	Digital_IO	Signal terminal UART_RX/OCS3_N (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: UART_RX/OCS3_N. Supported peripheral buses: UART.
20	PRTPWR4/PRTCTL4/BC_EN4	Digital_IO	Signal terminal PRTPWR4/PRTCTL4/BC_EN4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PRTPWR4/PRTCTL4/BC_EN4. Supported peripheral buses: General.
21	UART_TX/OCS4_N	Digital_IO	Signal terminal UART_TX/OCS4_N (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: UART_TX/OCS4_N. Supported peripheral buses: UART.
22	SDA/SMBDATA/NON_REM1	Digital_IO	Signal terminal SDA/SMBDATA/NON_REM1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SDA/SMBDATA/NON_REM1. Supported peripheral buses: I2C.
23	VDD33	Power_In	Primary positive power supply input (VDD33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
24	SCL/SMBCLK/CFG_SEL0	Digital_IO	Signal terminal SCL/SMBCLK/CFG_SEL0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SCL/SMBCLK/CFG_SEL0. Supported peripheral buses: I2C.
25	HS_IND/CFG_SEL1	Digital_IO	Signal terminal HS_IND/CFG_SEL1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: HS_IND/CFG_SEL1. Supported peripheral buses: General.
26	RESET_N	Digital_IO	Active-low hardware reset terminal (RESET_N): pulling this pin Low resets the processor core and peripherals.
27	VBUS_DET	Power_In	Primary positive power supply input (VBUS_DET) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
28	IO33	Digital_IO	GPIO33 / FSPIHD / SUBSPIHD / SPIIO4
29	VDDA33	Power_In	Primary positive power supply input (VDDA33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
30	FLEX_USBUP_DM	Digital_IO	Signal terminal FLEX_USBUP_DM (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: FLEX_USBUP_DM. Supported peripheral buses: USB.
31	FLEX_USBUP_DP	Digital_IO	Signal terminal FLEX_USBUP_DP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: FLEX_USBUP_DP. Supported peripheral buses: USB.
32	XTAL2	Digital_IO	Signal terminal XTAL2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XTAL2. Supported peripheral buses: RTC/CLK.
33	XTAL1/REFCLK	Digital_IO	Signal terminal XTAL1/REFCLK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XTAL1/REFCLK. Supported peripheral buses: RTC/CLK.
34	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
35	RBIAS	Digital_IO	Signal terminal RBIAS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RBIAS. Supported peripheral buses: General.
36	VDDA33	Power_In	Primary positive power supply input (VDDA33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
37	EP	GND	Bottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return.

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