# CH343P (Component)

## Description

6Mbps USB to UART USB 2\.0 TQFN\-16\-EP\(3x3\) USB Converters ROHS
USB ICs
CH343P
TQFN\-16\_L3\.0\-W3\.0\-P0\.50\-BL\-EP1\.7
LCSC Part Number: C2846043
JLCPCB Part Class: Extended Part
Manufactured by WCH\(南京沁恒\) 

## Component Details

- **Owner:** lcsc
- **Created:** 10/31/2024
- **Last Updated:** 9/2/2026
- **Visibility:** Public
- **Datasheet URL:** https://www\.lcsc\.com/datasheet/C2846043\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=FAVfU11RQQULVwBXQ1EMXlJfQVIPVVEFTlBaV1JeRlQxVlNeT1JWV1NeQ1laVzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- **Operating Temperature:** \-40\~\+85℃
- **Supply Voltage:** 3\.3 , 5V
- **JLCPCB Part Class:** Extended Part
- **Applications Function:** USB to UART
- **Package or Case Code:** TQFN\-16\_L3\.0\-W3\.0\-P0\.50\-BL\-EP1\.7
- **Manufacturer Name:** WCH\(南京沁恒\)
- **LCSC Part Number:** C2846043
- **Symbol Style:** parametric\-v1
- **Manufacturer Part Number:** CH343P
- **Part Type:** USB ICs
- **Used in:** 30 projects

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [HQonline](https://www.hqonline.com/product-detail/usb-chips-wch-ch343p-2500389981) | $1\.16167 | 2\.8K |
| [LCSC](https://www.lcsc.com/product-detail/C2846043.html) | $1\.146 | 4\.9K |

- **Part Type:** Connectors
- **Sub-Type:** USB Connectors
- **MPN:** CH343P
- **Mount Type:** PCB
- **Package / Case Code:** TQFN
- **Pin Count:** 17
- **Compliance:** Rohs
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | VIO |  |
| 2 | GND |  |
| 3 | VDD5 |  |
| 4 | TXD |  |
| 5 | RXD |  |
| 6 | V3 |  |
| 7 | UD\+ |  |
| 8 | UD\- |  |
| 9 | VBUS |  |
| 10 | \~\{ACT\} |  |
| 11 | DCD |  |
| 12 | DTRTNOW |  |
| 13 | RTS |  |
| 14 | DSR |  |
| 15 | CTS |  |
| 16 | RI |  |
| 17 | EP |  |

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*Generated from [https://flux\.ai/lcsc/ch343p\~qk8f](https://flux.ai/lcsc/ch343p~qk8f)*