Overview
The USB3450-FZG is a USB Converter made by Microchip Technology in a TQFN-40-EP(6x6) package with 41 pins. TQFN-40-EP(6x6) USB Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:USB3450-FZG, from EasyEDA) and its footprint (EasyEDA_Cloud:TQFN-40_L6.0-W6.0-P0.50-BL-EP4.1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C633350).
Symbol
Footprint
Parameters
5- Applications Function
- Transceiver
- Features
- Built-in clock generator；Low-power mode
- Operating Temperature
- 0℃~+70℃
- USB Protocol
- USB 2.0
- Voltage - Supply
- 3V~3.6V
Order codes
1- USB3450-FZGLCSC C633350
Pinout
41| Pin | Name | Type |
|---|---|---|
| 1 | XCVRSEL0 | Unspecified |
| 2 | TERMSEL | Unspecified |
| 3 | TXREADY | Unspecified |
| 4 | SUSPENDN | Unspecified |
| 5 | TXVALID | Unspecified |
| 6 | RESET | Unspecified |
| 7 | VDD3.3 | Unspecified |
| 8 | DP | Unspecified |
| 9 | DM | Unspecified |
| 10 | NC | Unspecified |
| 11 | VDD3.3 | Unspecified |
| 12 | XCVRSEL1 | Unspecified |
| 13 | RXACTIVE | Unspecified |
| 14 | OPMODE[1] | Unspecified |
| 15 | OPMODE[0] | Unspecified |
| 16 | CLKOUT | Unspecified |
| 17 | LINESTATE[1] | Unspecified |
| 18 | LINESTATE[0] | Unspecified |
| 19 | VDD1.8 | Unspecified |
| 20 | VDD3.3 | Unspecified |
| 21 | HOSTDISC | Unspecified |
| 22 | DATA[7] | Unspecified |
| 23 | DATA[6] | Unspecified |
| 24 | DATA[5] | Unspecified |
| 25 | DATA[4] | Unspecified |
| 26 | DATA[3] | Unspecified |
| 27 | DATA[2] | Unspecified |
| 28 | DATA[1] | Unspecified |
| 29 | DATA[0] | Unspecified |
| 30 | RXVALID | Unspecified |
| 31 | HOST | Unspecified |
| 32 | RXERROR | Unspecified |
| 33 | VDD3.3 | Unspecified |
| 34 | VDD1.8 | Unspecified |
| 35 | XO | Unspecified |
| 36 | XI | Unspecified |
| 37 | VDDA1.8 | Unspecified |
| 38 | VDD3.3 | Unspecified |
| 39 | VDD3.3 | Unspecified |
| 40 | RBIAS | Unspecified |
| 41 | EP | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/USB3450-FZG" title="USB3450-FZG 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/USB3450-FZG.jpg" alt="USB3450-FZG" width="1200" height="900">[](https://pcbkit.io/parts/microchip/USB3450-FZG)Questions
Is there a KiCad symbol and footprint for the USB3450-FZG?
Yes. The symbol is EasyEDA_Cloud:USB3450-FZG and the footprint EasyEDA_Cloud:TQFN-40_L6.0-W6.0-P0.50-BL-EP4.1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the USB3450-FZG?
TQFN-40-EP(6x6), with 41 pins. Its footprint is drawn on this page.
Where is the USB3450-FZG datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the USB3450-FZG?
JLCPCB lists it as part C633350, with 0 in stock; the sellers' links on this page open their listings.
What can replace the USB3450-FZG?
Parts like it in the library: the MAX25430AATLF/V+ by Maxim Integrated (Analog Devices). Check their datasheets: a part that fits the footprint may still differ in its ratings.
