
Overview
The CH378Q is a USB Converter made by WCH (Nanjing Qinheng Microelectronics) in a LQFP-64M(10x10) package with 64 pins. -40℃~+85℃ 1.8V、3.3V 480Mbps SPI to USB、UART to USB、Parallel to USB USB 2.0 LQFP-64M(10x10) USB Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH378Q, from EasyEDA) and its footprint (EasyEDA_Cloud:LQFP-64_L10.0-W10.0-P0.50-LS12.0-BL, from EasyEDA), ready for a KiCad board. 292 are in stock at JLCPCB (part C87330).
Symbol
Footprint
Parameters
8- Applications Function
- Parallel to USB
- Current - Supply
- 120mA
- Data Rate
- 480Mbps
- Features
- FIFO buffer;Programmable baud rate;Wake-up function;Built-in clock generator;Low-power mode;Power-on reset
- Operating Temperature
- -40℃~+85℃
- Quiescent Supply Current
- 15mA
- USB Protocol
- USB 2.0
- Voltage - Supply
- 1.8V
Order codes
1- CH378QLCSC C87330
Pinout
64| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | VCC33 | Unspecified |
| 3 | GND | Unspecified |
| 4 | NC | Unspecified |
| 5 | NC | Unspecified |
| 6 | VCC18 | Unspecified |
| 7 | NC | Unspecified |
| 8 | NC | Unspecified |
| 9 | GND | Unspecified |
| 10 | XI | Unspecified |
| 11 | XO | Unspecified |
| 12 | VCC33 | Unspecified |
| 13 | GND | Unspecified |
| 14 | RSETU | Unspecified |
| 15 | UD- | Unspecified |
| 16 | UD+ | Unspecified |
| 17 | VCC33 | Unspecified |
| 18 | GND | Unspecified |
| 19 | VCC18 | Unspecified |
| 20 | GND | Unspecified |
| 21 | VCC33 | Unspecified |
| 22 | ACT# | Unspecified |
| 23 | SD_IN | Unspecified |
| 24 | SD_WP | Unspecified |
| 25 | RDY# | Unspecified |
| 26 | RST | Unspecified |
| 27 | SEL | Unspecified |
| 28 | VCC18 | Unspecified |
| 29 | VCC33 | Unspecified |
| 30 | NC | Unspecified |
| 31 | AUTO | Unspecified |
| 32 | SD_CS | Unspecified |
| 33 | SD_CK | Unspecified |
| 34 | SD_DO | Unspecified |
| 35 | SD_DI | Unspecified |
| 36 | RSTI | Unspecified |
| 37 | GND | Unspecified |
| 38 | NC | Unspecified |
| 39 | NC | Unspecified |
| 40 | VCC33 | Unspecified |
| 41 | GND | Unspecified |
| 42 | VCC33 | Unspecified |
| 43 | VCC18 | Unspecified |
| 44 | GND | Unspecified |
| 45 | VCC33 | Unspecified |
| 46 | NC | Unspecified |
| 47 | NC | Unspecified |
| 48 | GND | Unspecified |
| 49 | INT# | Unspecified |
| 50 | NC | Unspecified |
| 51 | NC | Unspecified |
| 52 | NC | Unspecified |
| 53 | NC | Unspecified |
| 54 | VCC18 | Unspecified |
| 55 | NC | Unspecified |
| 56 | NC | Unspecified |
| 57 | RXD | Unspecified |
| 58 | TXD | Unspecified |
| 59 | SCS | Unspecified |
| 60 | SCK | Unspecified |
| 61 | SDI | Unspecified |
| 62 | SDO | Unspecified |
| 63 | VCC33 | Unspecified |
| 64 | VCC18 | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/wch/CH378Q" title="CH378Q in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/wch/CH378Q.jpg" alt="CH378Q" width="1200" height="900">[](https://pcbkit.io/parts/wch/CH378Q)Questions
Is there a KiCad symbol and footprint for the CH378Q?
Yes. The symbol is EasyEDA_Cloud:CH378Q and the footprint EasyEDA_Cloud:LQFP-64_L10.0-W10.0-P0.50-LS12.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH378Q?
LQFP-64M(10x10), with 64 pins. Its footprint is drawn on this page.
Where is the CH378Q datasheet?
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
Where can I order the CH378Q?
JLCPCB lists it as part C87330, with 292 in stock; the sellers' links on this page open their listings.