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CH9344L

WCH (Nanjing Qinheng Microelectronics)Extended

-40℃~+85℃ 1000uA 3.3V 4 6Mbps 70mA USB 2.0 LQFP-48(7x7) USB HUB Controllers ROHS

Part id
wch/CH9344L
Category
USB HUB Controllers
Package
LQFP-48(7x7)
Pins
48
In stock
214 at JLCPCB (C2762852)

Overview

The CH9344L is a USB HUB Controller made by WCH (Nanjing Qinheng Microelectronics) in a LQFP-48(7x7) package with 48 pins. -40℃~+85℃ 1000uA 3.3V 4 6Mbps 70mA USB 2.0 LQFP-48(7x7) USB HUB Controllers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH9344L, from EasyEDA) and its footprint (Package_QFP:LQFP-48_7x7mm_P0.5mm, from KiCad's library), ready for a KiCad board. 214 are in stock at JLCPCB (part C2762852).

Symbol

25DSR026CTS0/GPIO027VCC3328XO29XI30RSVD131UD+32UD-33VCC3334GND35V12I36TNOW0/GPIO212RTS1/GPIO411CTS1/GPIO310NC9NC8NC7NC6NC5NC4NC3V12O2VCC331GND24RI023DCD022RXD021DTR020RTS0/GPIO119TXD018VIO117TEST16RTS3/GPIO1015CTS3/GPIO914RTS2/GPIO713CTS2/GPIO648VIO247TNOW3/GPIO1146TNOW2/GPIO845TXD144RXD143TXD242RXD241TXD340RXD339TNOW1/GPIO538RST#37ISP
EasyEDA_Cloud:CH9344LFrom EasyEDA

Footprint

Package_QFP:LQFP-48_7x7mm_P0.5mmFrom KiCad's library

Pinout

48
The pins of the CH9344L
PinNameType
1GNDUnspecified
2VCC33Unspecified
3V12OUnspecified
4NCUnspecified
5NCUnspecified
6NCUnspecified
7NCUnspecified
8NCUnspecified
9NCUnspecified
10NCUnspecified
11CTS1/GPIO3Unspecified
12RTS1/GPIO4Unspecified
13CTS2/GPIO6Unspecified
14RTS2/GPIO7Unspecified
15CTS3/GPIO9Unspecified
16RTS3/GPIO10Unspecified
17TESTUnspecified
18VIO1Unspecified
19TXD0Unspecified
20RTS0/GPIO1Unspecified
21DTR0Unspecified
22RXD0Unspecified
23DCD0Unspecified
24RI0Unspecified
25DSR0Unspecified
26CTS0/GPIO0Unspecified
27VCC33Unspecified
28XOUnspecified
29XIUnspecified
30RSVD1Unspecified
31UD+Unspecified
32UD-Unspecified
33VCC33Unspecified
34GNDUnspecified
35V12IUnspecified
36TNOW0/GPIO2Unspecified
37ISPUnspecified
38RST#Unspecified
39TNOW1/GPIO5Unspecified
40RXD3Unspecified
41TXD3Unspecified
42RXD2Unspecified
43TXD2Unspecified
44RXD1Unspecified
45TXD1Unspecified
46TNOW2/GPIO8Unspecified
47TNOW3/GPIO11Unspecified
48VIO2Unspecified

Parts like it

1

Questions

Is there a KiCad symbol and footprint for the CH9344L?

Yes. The symbol is EasyEDA_Cloud:CH9344L and the footprint Package_QFP:LQFP-48_7x7mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH9344L?

LQFP-48(7x7), with 48 pins. Its footprint is drawn on this page.

Where is the CH9344L datasheet?

WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.

Where can I order the CH9344L?

JLCPCB lists it as part C2762852, with 214 in stock; the sellers' links on this page open their listings.

What can replace the CH9344L?

Parts like it in the library: the FE2.1-CQFP48AT by Terminus Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.