CH340C

Identity

• Manufacturer: WCH(南京沁恒)
• Model / MPN: CH340C
• LCSC: C84681
• Category: usb-uart-bridge
• Description: CH340C USB-to-serial transceiver; USB 2.0; 3.3V/5V; 2Mbps; 7mA supply, 50uA Iq; -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-16
• Pin count: 16
• EasyEDA symbol UUID: 5133406b48d1496895ab4ee771e02770
• EasyEDA footprint UUID: e52e644bbb3548988fcc9af5d7d48159
• EasyEDA device UUID: 02aab9e4fdf042e4bd078421b5c79fd2
• EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

• Active current: EasyEDA property: 7mA.
• 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/CH340C/85852.html
• Product URL: https://item.szlcsc.com/datasheet/CH340C/85852.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-16, and EasyEDA footprint UUID e52e644bbb3548988fcc9af5d7d48159.

Search Keywords

seed:common-iot-basics, source:easyeda-bridge, iot, common-pcb, ch340c, usb-uart, serial, crystal-less, usb-uart-bridge, sop-16, jlc-extended, usb, uart, jlc_extended, jlc-note:easyeda-jlc-verified-common-iot-basics-seed