CH340N

Identity

Manufacturer: WCH(南京沁恒)
Model / MPN: CH340N
LCSC: C2977777
Category: usb-uart-bridge
Description: CH340N USB2.0 USB-to-serial chip; USB 2.0; 1 channel; 3.3V/5V; 2Mbps; programmable baud rate; -20°C~+70°C
Source: EasyEDA/JLC verified common component seed
Project designators: Not project-specific
Project quantity per board: Not project-specific

Capabilities

usb: interface
uart: interface

Package And Footprint

Package / footprint name: SOP-8
Pin count: 8
EasyEDA symbol UUID: 849431a01da146498b93f8d2c781c2c7
EasyEDA footprint UUID: 114ea734da1646a1859a103ac7dff343
EasyEDA device UUID: af0210a1e9d74159807280d91ac7064d
EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

Active current: Not characterized in seed; extract active current from datasheet tables.
Sleep / standby current: Not characterized in seed; extract sleep/standby current from datasheet tables.
Supply rails: EasyEDA property: 3.3V；5V.
Notes: Seed values are search hints only. Verify power modes, rail limits, startup requirements, and reference design passives from the datasheet.

Procurement Classification

JLC class: Extended Part
JLC note / assembly basis: EasyEDA/JLC verified common IoT basics seed
Assembly status: jlc_extended
Price-break table: Not captured in seed. Store only timestamped price-break snapshots when intentionally refreshed.
Live stock: intentionally not stored as durable selection data; refresh externally before ordering.

Datasheet And Links

Datasheet / product URL: https://item.szlcsc.com/datasheet/CH340N/3390257.html
Product URL: https://item.szlcsc.com/datasheet/CH340N/3390257.html
Datasheet-derived notes: Not extracted yet. Use PDF extraction to fill power modes, absolute maximums, pin functions, package variants, and reference design requirements.

Selection Notes

Good for: reuse when package, electrical ratings, footprint, and assembly class match the project constraints
Avoid when: Not captured yet.
Known layout constraints: Verify package land pattern, decoupling requirements, thermal pad, RF keepouts, crystal routing, and boot straps from the datasheet.
Equivalent search hints: match category usb-uart-bridge, interfaces usb, uart, package SOP-8, and EasyEDA footprint UUID 114ea734da1646a1859a103ac7dff343.

Search Keywords

seed:common-iot-basics, source:easyeda-bridge, iot, common-pcb, ch340n, usb-uart, serial, compact, usb-uart-bridge, sop-8, jlc-extended, usb, uart, jlc_extended, jlc-note:easyeda-jlc-verified-common-iot-basics-seed