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CH9344L

USB to 4xUART bridge, 12Mbps, LQFP-48

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Pieza del fabricante：

CH9344L

Paquete：

LQFP-48

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The WCH (Nanjing Qinheng Microelectronics) CH9344L is a USB to 4xUART bridge, 12Mbps, LQFP-48. It provides a cost-effective solution for USB-to-serial communication in embedded systems.

Especificaciones

Velocidad de datos 12Mbps
Paquete LQFP-48
Clock Source Internal crystal

Características

  • Full-speed USB 2.0 compatible
  • Multiple serial protocols supported
  • Low cost and widely available
  • Simple external circuit required

Aplicaciones

  • USB-to-serial adapter cables
  • Embedded system debug ports
  • Arduino-compatible boards
  • Industrial equipment programming interfaces

The CH9344L from WCH is a USB-to-UART bridge IC supporting data rates up to 12Mbps in a LQFP-48 package. It provides a cost-effective solution for adding USB connectivity to embedded systems, widely used in Arduino boards and debug interfaces.

The CH9344L implements a USB device controller that enumerates as a virtual COM port on the host PC. USB packets are received and converted to UART serial format. The internal data buffer handles the speed mismatch between USB and UART. Configuration (baud rate, parity, stop bits) is set through the USB driver on the host side.

Pin Nombre Descripción
V3 V3 3.3V internal regulator output
TXD TXD UART transmit output
RXD RXD UART receive input
D+ UD+ USB D+ signal
D- UD- USB D- signal
  • USB-to-serial adapter for embedded programming
  • Arduino UNO/Nano compatible boards
  • Industrial equipment service port
  • GPS module USB interface
Modelo Marca Rate Notas
CP2102N-A02-GQFN24 Laboratorios Silicon 1Mbps Higher quality, higher cost
CP2104-F03-GMR Laboratorios Silicon 2Mbps Low power version
FT232RL FTDI 3Mbps Industry standard, expensive
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Garantía de calidad

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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