Introduction
In today’s rapidly evolving technology landscape, storage device performance and reliability remain key concerns for users. While new innovations continue to emerge in the semiconductor industry, some well-established solutions retain their foothold due to their stability and proven performance. The JMicron JMS576 chip, designed as a USB 3.1 Gen1 to SATA 6Gb/s bridge controller, is one such product. With its compatibility with modern Type-C interfaces, highly integrated design, low power consumption, and robust security algorithms, the JMS576 has become a reliable choice for external hard drive enclosures, NAS devices, and other storage applications.
JMicron JMS576
The JMS576 is a high-performance USB 3.1 Gen1 to SATA 6Gb/s bridge controller designed and manufactured by JMicron. This chip integrates a USB Type-C multiplexer and device CC control logic, making it ideal for USB Type-C storage solutions.
The JMS576 supports external SPI NVRAM for providing Vendor ID (VID) and Product ID (PID) to USB 2.0/USB 3.1 Gen1 device controllers. It features 10 customizable GPIOs and allows firmware upgrades via USB 2.0 and USB 3.1 Gen1 interfaces. Additionally, it complies with the USB Mass Storage Class Bulk-Only Transport (BOT) protocol and USB Attached SCSI Protocol (UASP) for enhanced data transfer efficiency.
With its built-in power-saving mode, the JMS576 optimizes power consumption while supporting SHA-1/SHA-256 algorithms for IEEE-1667 digest calculation, ensuring enhanced data security. The chip also supports the ATA/ATAPI PACKET command set, ensuring broad compatibility with various storage devices. Due to these features, the JMS576 is widely used in external HDD/SSD enclosures, NAS storage solutions, and USB-C storage applications, offering high-performance data transfer with efficient power management.
JMS576 Specifications and Features
JMS576-Based SSD Enclosure Solution
Master Control Chip: JMicron JMS576
Sequential Read/Write Speed: 5 Gbps
Interface Type: SATA
Supported Storage Devices: SATA HDDs/SSDs
Operating Voltage: 5V
Low Power Mode: Supported
Dimensions (mm): 78.59 x 36.18 x 4.41
Summary of ChargerLAB
As a mature and reliable chip, the JMS576 may not have the cutting-edge appeal of the latest products, but its advantages in compatibility, stability, and cost efficiency ensure its strong presence in the competitive storage market. In an era where USB-C is becoming the standard, the JMS576 demonstrates a keen understanding of user needs. While the tech industry often prioritizes speed and innovation, solutions like the JMS576, which have stood the test of time, remain a rational choice for many manufacturers and consumers.
It is reported that well-known brands such as Huawei and Acasis have integrated JMS576 into their storage solutions, further proving its reliability and efficiency in practical applications.
