Skip to the content
PCBKitNew board
CH378Q, in 3D

CH378Q

WCH (Nanjing Qinheng Microelectronics)

-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

Extended
Category
USB Converters
Package
LQFP-64M(10x10)
Pins
64

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

NC1VCC332GND3NC4NC5VCC186NC7NC8GND9XI10XO11VCC3312GND13RSETU14UD-15UD+16VCC3317GND18VCC1819GND20VCC3321ACT#22SD_IN23SD_WP24RDY#25RST26SEL27VCC1828VCC3329NC30AUTO31SD_CS32SD_CK33SD_DO34SD_DI35RSTI36GND37NC38NC39VCC3340GND41VCC3342VCC1843GND44VCC3345NC46NC47GND48INT#49NC50NC51NC52NC53VCC1854NC55NC56RXD57TXD58SCS59SCK60SDI61SDO62VCC3363VCC1864
EasyEDA_Cloud:CH378QFrom EasyEDA

Footprint

EasyEDA_Cloud:LQFP-64_L10.0-W10.0-P0.50-LS12.0-BLFrom EasyEDA

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

Pinout

64
The pins of the CH378Q
PinNameType
1NCUnspecified
2VCC33Unspecified
3GNDUnspecified
4NCUnspecified
5NCUnspecified
6VCC18Unspecified
7NCUnspecified
8NCUnspecified
9GNDUnspecified
10XIUnspecified
11XOUnspecified
12VCC33Unspecified
13GNDUnspecified
14RSETUUnspecified
15UD-Unspecified
16UD+Unspecified
17VCC33Unspecified
18GNDUnspecified
19VCC18Unspecified
20GNDUnspecified
21VCC33Unspecified
22ACT#Unspecified
23SD_INUnspecified
24SD_WPUnspecified
25RDY#Unspecified
26RSTUnspecified
27SELUnspecified
28VCC18Unspecified
29VCC33Unspecified
30NCUnspecified
31AUTOUnspecified
32SD_CSUnspecified
33SD_CKUnspecified
34SD_DOUnspecified
35SD_DIUnspecified
36RSTIUnspecified
37GNDUnspecified
38NCUnspecified
39NCUnspecified
40VCC33Unspecified
41GNDUnspecified
42VCC33Unspecified
43VCC18Unspecified
44GNDUnspecified
45VCC33Unspecified
46NCUnspecified
47NCUnspecified
48GNDUnspecified
49INT#Unspecified
50NCUnspecified
51NCUnspecified
52NCUnspecified
53NCUnspecified
54VCC18Unspecified
55NCUnspecified
56NCUnspecified
57RXDUnspecified
58TXDUnspecified
59SCSUnspecified
60SCKUnspecified
61SDIUnspecified
62SDOUnspecified
63VCC33Unspecified
64VCC18Unspecified

Show this part on your page

A live frame, for any web 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>
A picture
<img src="https://pcbkit.io/embed/parts/wch/CH378Q.jpg" alt="CH378Q" width="1200" height="900">
A picture that opens the part, for a README
[![CH378Q](https://pcbkit.io/embed/parts/wch/CH378Q.jpg?size=s)](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.