CH343P

Identity

• Manufacturer: WCH(南京沁恒)
• Model / MPN: CH343P
• LCSC: C2846043
• Category: usb-uart-bridge
• Description: CH343P 3.3V；5V Applications Function:USB to UART USB Protocol:USB 2.0 Number of Channels:- Voltage - Supply:3.3V；5V Voltage - Supply:3.3V；5V Data Rate:6Mbps Operating Temperature:-40℃+85℃ Operating Temperature:-40℃+85℃ Current - Supply:3mA Supply Current (Iq):90uA
• 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: TQFN-16-EP(3x3)
• Pin count: Unknown
• EasyEDA symbol UUID: 61b1f923a4484fb6979ffcd6bdf0f30e
• EasyEDA footprint UUID: 1f070fa186a44fda8d3d7ae3a19bfe0d
• EasyEDA device UUID: 43105fdbcca44c8b99d6ecea83864c05
• EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

• Active current: EasyEDA property: 3mA.
• 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 power, analog, and interface IC 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/CH343P/3039795.html
• Product URL: https://item.szlcsc.com/datasheet/CH343P/3039795.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: USB debug consoles, bootloaders, factory programming, and serial service ports
• 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 TQFN-16-EP(3x3), and EasyEDA footprint UUID 1f070fa186a44fda8d3d7ae3a19bfe0d.

Search Keywords

seed:common-power-analog-interface, source:easyeda-bridge, iot, common-pcb, ch343p, usb-uart, compact, qfn, usb-uart-bridge, tqfn-16-ep-3x3, jlc-extended, usb, uart, jlc_extended, jlc-note:easyeda-jlc-verified-common-power-analog-and-interface-ic-seed