USB Type-C is a modern USB interface standard that offers a versatile and user-friendly design. One of its most notable features is the ability to be inserted in any orientation, eliminating the frustration of trying to plug in a USB device the wrong way. This convenience has made it increasingly popular across various devices, from smartphones to laptops.
In the early days of mobile phones, Micro USB and Mini USB were commonly used for data transfer and charging. These interfaces provided improved durability and smaller size compared to earlier versions, while supporting USB 1.1/2.0 standards and OTG functionality. However, as smartphones became thinner and required faster data transfer and charging speeds, the limitations of Micro USB became more apparent.
To address these challenges, the industry has gradually adopted the USB Type-C interface. It not only maintains compatibility with older standards but also unifies data and power delivery into a single, compact connector. Its advantages include faster transfer speeds, lower power consumption, and greater scalability, offering users an enhanced experience.
ON Semiconductor, a leading player in the semiconductor industry, has been widely recognized by domestic hardware manufacturers. Recently, Mr. Li Wenhui, Senior Field Application Engineering Manager at ON Semiconductor's Mobile Market, discussed the latest USB standards and market trends, sharing comprehensive solutions for USB Type-C on mobile devices.
With the growing demand for faster charging and the limited progress in battery technology, USB Type-C combined with Quick Charge (QC) has become the standard for fast-charging devices. However, not all Type-C ports support true fast charging—only those that support USB 3.1 or higher can deliver such performance.
ON Semiconductor’s USB Type-C solution includes a power controller that supports both the USB 3.1 interface and the USB-PD protocol. This allows for efficient voltage regulation based on the device's power needs, ensuring safe and reliable operation.
One of their key components is the NCP81239 USB-PD synchronous buck-boost controller, which supports multiple fast charging protocols like USB-PD, QC 2.0, and QC 3.0. It features a four-switch single-inductor topology, wide input/output voltage range, and I2C bus control for flexible voltage settings. The internal 9-bit DAC allows precise output voltage configuration, making it ideal for high-reliability applications.
The NCP81239 also offers dynamic programmable operating frequencies ranging from 150kHz to 1.2MHz, making it suitable for a variety of designs. With a wide input and output range of 4.5–28V, it provides flexibility for different use cases.
ON Semiconductor also offers a full range of USB Type-C solutions that support high-current charging and ultra-fast data transfer. Their products are designed with low power consumption and a small footprint, making them ideal for space-constrained devices.
In terms of data transmission, USB Type-C can support up to 10Gbps speeds in USB 3.1 Gen 2 environments. To ensure signal integrity, a single-channel re-driver is used to reduce crosstalk and distortion, meeting strict eye height and jitter specifications.
Compared to other competing devices, ON Semiconductor’s solutions offer better performance, with a 20% increase in eye height and a 20% reduction in jitter. Their FUSB340 ultra-high-speed switch supports 10Gbps data transfer, 10GHz bandwidth, and offers excellent ESD protection, low power consumption, and a compact 18-pin TMLP package.
Additionally, ON Semiconductor is developing advanced protection technologies for USB Type-C connectors, using ESD8704 devices to safeguard high-speed lines. These innovations highlight their commitment to delivering cutting-edge, reliable solutions for the evolving USB Type-C ecosystem.
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