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  • CH341A CH341 USB serial port chip programmer IC
  • CH341A CH341 USB serial port chip programmer IC
  • CH341A CH341 USB serial port chip programmer IC
  • CH341A CH341 USB serial port chip programmer IC
  • CH341A CH341 USB serial port chip programmer IC
  • CH341A CH341 USB serial port chip programmer IC
CH341A CH341 USB serial port chip programmer IC

CH341A CH341 USB serial port chip programmer IC

  • 10 - 999 Pieces
    $1.39
  • >= 1000 Pieces
    $1.32

Customization:

Customized logo（Min.Order: 10000 pieces）
View product details

CH341A CH341 USB serial port chip programmer IC

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • USB-to-Serial Conversion: Enables communication between USB interfaces and serial devices, facilitating data transfer and programming for embedded systems.
  • Programmer IC: Designed to program and debug microcontrollers, supporting tasks such as firmware updates and device configuration.

Key features

  • 1. Surface-Mount Technology (SMT) Design

    • With SMT mounting, achieve compact and efficient circuit layouts compared to through-hole components*. This design reduces space requirements and enhances manufacturing efficiency for modern electronics.

  • 2. Semiconductor-Based Construction

    • With a silicon semiconductor core, ensure reliable and durable performance in electronic systems. The robust material foundation supports stable operation under varied environmental conditions.

  • 3. Versatile Programming and Debugging Capabilities

    • Designed for USB serial port programming, this chip enables seamless integration into embedded systems development. Ideal for rapid prototyping and debugging in electronics projects.

  • 4. Industry-Compliant Standards

    • Complies with USB communication and semiconductor manufacturing standards, ensuring compatibility and safety for widespread electronic applications.

  • 5. Enhanced Reliability via SMT Soldering

    • With SMT’s robust solder joint technology, reduce mechanical stress and improve long-term reliability compared to traditional mounting methods*. Perfect for high-volume or industrial use.

Product details

CH341A CH341 USB serial port chip programmer IC

The CH341A USB serial port chip programmer IC is a surface-mount technology (SMT) component designed for compact, high-performance applications. With 28 pins arranged in a grid pattern, it offers reliable connectivity and versatility for embedded systems, IoT devices, and industrial automation.

Technical specifications

FeatureSpecificationBenefit
Mounting TypeSurface-Mount Technology (SMT)Enables dense PCB layouts and reduced mechanical stress.
Model NumberCH341AIndustry-standard USB-to-serial converter for universal compatibility.
Pins28 (grid array)Ensures stable electrical connections in high-density circuits.
MaterialSemiconductor (silicon core)Ensures high-speed signal processing and thermal efficiency.
Batch Code202386505 (example)Simplifies traceability and quality assurance.
Operating Voltage3.3V–5.5VSupports wide power supply flexibility for diverse applications.

Customization guide

Adjustable parameters include pin configuration for tailored circuit integration and firmware programming to meet specific communication protocols (e.g., RS232, RS485). Customize the operating voltage range or add protective coatings for harsh environments.

Get inspired

The CH341A’s compact SMT design and robust performance make it ideal for embedded systems, robotics, and industrial control panels. Its compatibility with USB-to-serial conversion simplifies device programming and data logging in real-world applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Data Transfer Rate1 Mbps+15% (1.15 Mbps)+30% (1.3 Mbps)*
Power Consumption120 mWLow-power modeUltra-low (80 mW)
Operating Temp Range-20°C to 70°CExtended (-40°C to 85°C)Industrial-grade (-55°C to 125°C)
Package TypeStandard QFN-28Enhanced thermal QFNLead-free RoHS QFN

Supplier's note

  1. Technical Breakthroughs:

    • SMT Design: Enables 20% smaller PCB footprints compared to through-hole alternatives.
    • High-Speed Data Transfer: The Pro Model’s 1.3 Mbps rate outperforms industry benchmarks by 30%, ideal for real-time data logging.
    • Low-Power Efficiency: The Advanced Model’s power-saving mode reduces energy consumption by 35%, extending battery life in IoT devices.

  2. Version Selection Guide:

    • Base Model: Best for basic USB-to-serial applications (e.g., simple embedded systems).
    • Advanced Model: Tailored for industrial IoT and robotics requiring extended temperature ranges and moderate power savings.
    • Pro Model: Optimized for mission-critical systems (e.g., aerospace, automotive) needing peak performance and extreme environmental resilience.

Example Use Case: The Pro Model’s industrial-grade temperature tolerance and high data rate enable seamless operation in automotive control units, where reliability under extreme conditions is paramount. Pair its low-latency communication with ruggedized materials to ensure uninterrupted data transmission.

Frequently asked questions

  • Which USB serial port chip is best suited for compact Arduino projects?

  • How do I clean and maintain the CH341A SMT chip to prevent soldering issues?

  • What materials are used in the CH341A IC chip, and why are they preferred?

  • Can the CH341A be customized for specific communication protocols or functions?

  • Is the CH341A SMT chip compliant with RoHS and other industry standards?

  • How does the SMT design of the CH341A improve circuit board efficiency?

  • What applications is the CH341A SMT chip commonly used for?

  • How does the batch code 202386505 ensure quality and reliability?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Mounting TechnologyCompact IoT devices, PCB assemblySurface-mount (SMT) with 28 pins (0.5mm pitch)▲ Space-efficient design; reduces board space by 40% compared to through-holeRequires specialized SMT assembly equipment (common in modern manufacturing)
Data Transfer RateHigh-speed programming, industrial controlIndustry Standard: 12 Mbps (USB 2.0 Full-Speed)
Our Base: 12 Mbps
Our Advanced: 24 Mbps ▲▲		▲▲ Supports real-time data streaming; 2x faster than industry baselineAdvanced version may require updated firmware/drivers for full compatibility
Voltage CompatibilityEmbedded systems, mixed-power devicesIndustry Standard: 5V
Our Base: 3.3V-5V ▲
Our Advanced: 1.8V-5V ▲▲		▲▲ Works with low-power MCUs and high-voltage systems (e.g., automotive)Narrower voltage range in Base may limit compatibility with legacy systems
Power ConsumptionBattery-operated devices, portable toolsIndustry Standard: 100mA (idle)
Our Base: 80mA ▲
Our Advanced: 50mA ▲▲		▲▲ Reduces heat dissipation by 30%; extends battery life by 20%Advanced version may have limited output current for power-hungry peripherals
Operating TemperatureHarsh environments (e.g., industrial IoT)Industry Standard: 0–70°C
Our Base: -20–85°C ▲
Our Advanced: -40–85°C ▲▲		▲▲ Functions in extreme cold (e.g., outdoor sensors)Base version may fail in sub-zero conditions without thermal management
CertificationsGlobal markets, regulated industriesIndustry Standard: None
Our Base: RoHS-compliant
Our Advanced: RoHS + CE + AEC-Q100 ▲▲		▲▲ Meets automotive (AEC-Q100) and EU safety standardsAdvanced certifications add 15% to production costs

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