Overview
The USB3503T/ML is a USB IC made by Microchip Technology in a QFN-32-EP(5x5) package with 33 pins. QFN-32-EP(5x5) USB HUB Controllers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:USB3503T-I_ML, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.4, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C622625).
Symbol
Footprint
Pinout
33| Pin | Name | Type |
|---|---|---|
| 1 | OCS_N | Unspecified |
| 2 | HUB_CONNECT | Unspecified |
| 3 | NC | Unspecified |
| 4 | PRTPWR | Unspecified |
| 5 | INT_N | Unspecified |
| 6 | VDD12_BYP | Unspecified |
| 7 | SDA | Unspecified |
| 8 | SCL | Unspecified |
| 9 | REF_SEL1 | Unspecified |
| 10 | REF_SEL0 | Unspecified |
| 11 | VDD12_BYP | Unspecified |
| 12 | RESET_N | Unspecified |
| 13 | VDD12_BYP | Unspecified |
| 14 | NC | Unspecified |
| 15 | DATA | Unspecified |
| 16 | STROBE | Unspecified |
| 17 | NC | Unspecified |
| 18 | NC | Unspecified |
| 19 | USBDN3_DM | Unspecified |
| 20 | USBDN3_DP | Unspecified |
| 21 | USBDN2_DM | Unspecified |
| 22 | USBDN2_DP | Unspecified |
| 23 | USBDN1_DM | Unspecified |
| 24 | USBDN1_DP | Unspecified |
| 25 | VBAT | Unspecified |
| 26 | VDD33_BYP | Unspecified |
| 27 | NC | Unspecified |
| 28 | VDD_CORE_REG | Unspecified |
| 29 | REFCLK | Unspecified |
| 30 | RBIAS | Unspecified |
| 31 | NC | Unspecified |
| 32 | VDD33_BYP | Unspecified |
| 33 | EP | Unspecified |
Parts like it
2
USB3503T-I/ML
QFN-32-EP(5x5)-40℃~+85℃ 1uA 3 Hub Port power switch control、Internal regulator、Overcurrent Protection、Low-power mode、ESD protection、Wake-up function、Programmable signal drive USB 2.0 QFN-32-EP(5x5) USB HUB Controllers ROHSMicrochip TechnologyUSB ICsVL100-Q3
QFN-32-EP(5x5)-55℃~+125℃ 3V~3.6V、3V~3.3V、4.5V~5.5V QFN-32-EP(5x5) USB Converters ROHSVIA LabsUSB ICs
Questions
Is there a KiCad symbol and footprint for the USB3503T/ML?
Yes. The symbol is EasyEDA_Cloud:USB3503T-I_ML and the footprint EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.4, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the USB3503T/ML?
QFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.
Where is the USB3503T/ML datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the USB3503T/ML?
JLCPCB lists it as part C622625, with 0 in stock; the sellers' links on this page open their listings.
What can replace the USB3503T/ML?
Parts like it in the library: the USB3503T-I/ML by Microchip Technology and the VL100-Q3 by VIA Labs. Check their datasheets: a part that fits the footprint may still differ in its ratings.