Ready to Ship

In stock Fast dispatch

CH9329 Package SOP-16 Serial Port to Standard USB HID Device Keyboard Mouse IC Brand New Original Authentic

Name: CH9329 Package SOP-16 Serial Port to Standard USB HID Device Keyboard Mouse IC Brand New Original Authentic
Brand: Shenzhen Dang Jie Technology Co., Ltd.
SKU: 1601402280736_1
Price: 0.60 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

Serial-to-USB HID Conversion: Enables seamless translation of serial port data (RS-232/TTL) into USB Human Interface Device (HID) signals for keyboards and mice.
Embedded Solution: Designed for integration into hardware systems to simplify communication between legacy serial devices and modern USB-based systems.

Key features

1. Advanced Material Technology

With a compact SOP-16 package design, you can achieve space-saving integration while maintaining robust performance in embedded systems.

2. User-Friendly Interactive Design

With built-in firmware presets for serial-to-USB configuration, you can eliminate complex setup processes and enable plug-and-play functionality.

3. High-Performance Parameters

With USB 2.0 Full-Speed compatibility (12 Mbps), you can achieve ~20% faster data transfer than legacy serial ports*, ensuring smooth operation for real-time applications.

4. Versatile Scenario Solutions

With support for both RS-232 and RS-485 protocols, you can seamlessly integrate legacy devices into modern USB-based systems for industrial, POS, or IoT applications.

5. Compliance with Certification Standards

With RoHS and CE certifications, you can ensure environmental compliance and safety for global deployment in commercial or consumer electronics.

Notes:

The product’s technical attributes (e.g., SOP-16 package, USB HID compliance) were emphasized to highlight reliability and adaptability.

Product details

The CH9329 SOP-16 IC is a compact, high-performance USB HID bridge solution designed to convert serial port signals to standard USB interfaces. Ideal for industrial automation, IoT devices, and legacy system upgrades, it ensures seamless compatibility with modern USB-enabled systems while maintaining reliability and efficiency.

Technical specifications

Feature	Specification	Benefit
Package Type	SOP-16 (5x5mm)	With a compact form factor, you can save PCB space.
Interface	USB 2.0 Full-Speed to UART/RS232	With USB-HID compliance, you can achieve plug-and-play functionality.
Protocol Support	USB HID 1.11, UART (Baud Rate: 50–3M)	With adaptive baud rate adjustment, you can support diverse communication needs.
Power Consumption	<30mA (Active), <0.5µA (Sleep Mode)	With ultra-low power draw, you can extend battery life in IoT devices.
Operating Voltage	3.3V–5.5V	With wide voltage tolerance, you can ensure stable operation across systems.

Customization guide

Adjustable parameters include baud rate (50–3Mbps) and protocol settings (UART/RS232) to meet specific communication requirements. For industrial applications, firmware customization enables advanced error-checking or encryption.

Get inspired

Transform legacy serial devices into USB-compatible peripherals effortlessly. Ideal for embedded systems, POS terminals, or industrial sensors requiring reliable data transmission without complex re-engineering.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
USB Speed	Full-Speed (12Mbps)	High-Speed (480Mbps)	High-Speed (480Mbps)
Power Efficiency	Standard	20% lower power*	30% lower power*
Temperature Range	0–70°C	-20–85°C	-40–85°C*
Certifications	FCC, CE	RoHS, REACH	Industrial-grade MIL-STD

Supplier's note

Three Technical Breakthroughs:
- Low Power Design: The Pro Model’s 30% lower power consumption compared to industry benchmarks enables prolonged operation in battery-powered IoT devices.
- Industrial Temperature Range: The Pro Model’s -40–85°C rating ensures reliability in harsh environments like factory floors.
- Firmware Flexibility: All models support field-upgradeable firmware, reducing downtime for protocol updates.
Optimal Version Selection:
- Base Model: Suitable for basic USB-to-serial applications (e.g., consumer electronics) where cost efficiency is prioritized.
- Advanced Model: Ideal for IoT and industrial IoT devices requiring energy efficiency and extended temperature support.
- Pro Model: Tailored for mission-critical systems (e.g., aerospace, automotive) demanding extreme durability and certifications like MIL-STD.

*Comparative data vs. leading competitor’s equivalent models.

Frequently asked questions

Which CH9329 IC model is best for converting serial ports to USB HID in legacy systems?
Is the CH9329 IC compliant with USB HID standards?
Does the CH9329 support both keyboard and mouse HID profiles simultaneously?
What applications is the CH9329 IC suitable for besides standard keyboards and mice?
Can the CH9329 be customized for non-standard HID device requirements?
What are the power consumption characteristics of the CH9329 IC?
How does the CH9329 ensure backward compatibility with older serial port systems?
How do I verify the authenticity of the CH9329 Package SOP-16 IC?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Power Consumption	Battery-operated devices (IoT sensors)	Industry: 100mW Base: 80mW (▲10%) Advanced: 60mW (▲25% from Base)	Base extends battery life by 20%; Advanced ideal for low-power IoT (e.g., wearables).	Advanced adds 15% cost; Base still draws more than some competitors.
Data Transfer Rate	High-speed applications (gaming peripherals)	Industry: 12 Mbps (USB 2.0) Base: 12 Mbps Advanced: 5 Gbps (▲323%)	Advanced supports ultra-fast transfers (e.g., 4K streaming); Base compatible with legacy systems.	Advanced requires USB 3.0 ports; Base lacks high-speed capability.
Compatibility	Cross-platform devices (industrial systems)	Industry: Windows/macOS Base: +Linux (▲1 OS) Advanced: +ChromeOS/Android (▲2 OS)	Advanced works across all major OS; Base covers most common systems.	Advanced may need firmware updates; Base lacks niche OS support (e.g., RTOS).
Noise Level	Noise-sensitive environments (medical devices)	Industry: 40 dBA (quiet library) Base: 35 dBA (▲12.5%) Advanced: 30 dBA (▲14.3%)	Advanced ideal for labs/audio gear (quieter than a whisper); Base meets office needs.	Advanced may generate more heat; Base still audible in ultra-quiet labs.
Certifications	Regulated industries (aerospace)	Industry: FCC/CE Base: +RoHS (▲1 cert) Advanced: +ISO 9001/AEC-Q100 (▲3 certs)	Advanced meets automotive-grade standards (e.g., AEC-Q100); Base covers basic compliance.	Advanced adds 20% cost for certifications; Base may exclude niche markets.
Environmental Resistance	Harsh environments (outdoor devices)	Industry: -20°C to 70°C Base: -30°C to 85°C (▲5°C/15°C) Advanced: -40°C to 85°C (▲10°C)	Advanced operates in extreme cold (e.g., Arctic sensors); Base handles most industrial temps.	Advanced requires ruggedized packaging; Base not rated for polar regions.