

Overview
The USB5744/2GX01 is a USB IC made by Microchip Technology in a VQFN-56-EP(7x7) package with 57 pins. VQFN-56-EP(7x7) USB HUB Controllers ROHS.
PCBKit's library has its KiCad symbol (USB57442G:USB57442G, from Antmicro) and its footprint (qfn-56-1ep-7x7mm-p0-4mm-ep4-6x4-6mm:QFN-56-1EP_7x7mm_P0.4mm_EP4.6x4.6mm, from Antmicro), ready for a KiCad board. JLCPCB lists it (part C633620). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
1- Features
- Port power switch control, Power-on reset, Overcurrent Protection, Low-power mode, ESD protection, BC1.2 protocol support, Programmable signal drive
Order codes
1- USB5744/2GX01LCSC C633620
Pinout
57| Pin | Name | Type |
|---|---|---|
| 1 | DN1_D+/DIS | Input/output |
| 2 | DN1_D-/DIS | Input/output |
| 3 | DN1_SSTX+ | Input/output |
| 4 | DN1_SSTX- | Input/output |
| 5 | VDD12 | Passive |
| 6 | DN1_SSRX+ | Input/output |
| 7 | DN1_SSRX- | Input/output |
| 8 | DN2_D+/DIS | Input/output |
| 9 | DN2_D-/DIS | Input/output |
| 10 | DN2_SSTX+ | Input/output |
| 11 | DN2_SSTX- | Input/output |
| 12 | VDD12 | Power in |
| 13 | DN2_SSRX+ | Input/output |
| 14 | DN2_SSRX- | Input/output |
| 15 | VDD12 | Passive |
| 16 | VDD33 | Power in |
| 17 | DN3_D+/DIS | Input/output |
| 18 | DN3_D-/DIS | Input/output |
| 19 | DN3_SSTX+ | Input/output |
| 20 | DN3_SSTX- | Input/output |
| 21 | VDD12 | Passive |
| 22 | DN3_SSRX+ | Input/output |
| 23 | DN3_SSRX- | Input/output |
| 24 | DN4_D+/DIS | Input/output |
| 25 | DN4_D-/DIS | Input/output |
| 26 | DN4_SSTX+ | Input/output |
| 27 | DN4_SSTX- | Input/output |
| 28 | VDD12 | Passive |
| 29 | DN4_SSRX+ | Input/output |
| 30 | DN4_SSRX- | Input/output |
| 31 | VDD33 | Passive |
| 32 | GANG_PWR/PRT_CTL4 | Output |
| 33 | VDD12 | Passive |
| 34 | PRT_CTL3 | Output |
| 35 | PRT_CTL2 | Output |
| 36 | PRT_CTL1 | Output |
| 37 | VBUS_DET/GPIO16 | Input/output |
| 38 | SPI_CLK/SMCLK | Input/output |
| 39 | SPI_DO/SMDAT | Input/output |
| 40 | SPI_DI/CFG_BC_EN | Input/output |
| 41 | SPI_CE_N/CFG_NON_REM | Input/output |
| 42 | RESET_N | Input |
| 43 | VDD12 | Passive |
| 44 | VDD33 | Passive |
| 45 | UP_D+ | Input/output |
| 46 | UP_D- | Input/output |
| 47 | UP_SSTX+ | Input/output |
| 48 | UP_SSTX- | Input/output |
| 49 | VDD12 | Passive |
| 50 | UP_SSRX+ | Input/output |
| 51 | UP_SSRX- | Input/output |
| 52 | ATEST | Input |
| 53 | XTALO | Output |
| 54 | XTALI/CLK_IN | Input |
| 55 | VDD33 | Passive |
| 56 | RBIAS | Input |
| 57 | VSS | Power in |
Open-source boards using it
All 1- 4 layers163.7 × 99.6 mm

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/USB5744/2GX01" title="USB5744/2GX01 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/USB5744/2GX01.jpg" alt="USB5744/2GX01" width="1200" height="900">[](https://pcbkit.io/parts/microchip/USB5744/2GX01)Questions
Is there a KiCad symbol and footprint for the USB5744/2GX01?
Yes. The symbol is USB57442G:USB57442G and the footprint qfn-56-1ep-7x7mm-p0-4mm-ep4-6x4-6mm:QFN-56-1EP_7x7mm_P0.4mm_EP4.6x4.6mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the USB5744/2GX01?
VQFN-56-EP(7x7), with 57 pins. Its footprint is drawn on this page.
Where is the USB5744/2GX01 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the USB5744/2GX01?
JLCPCB lists it as part C633620, with 0 in stock; the sellers' links on this page open their listings.
What can replace the USB5744/2GX01?
Parts like it in the library: the USB5744-I/2GX01 by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the USB5744/2GX01?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.