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Universal Serial Bus (USB)
The Universal Serial Bus (USB) is an industry-standard developed by the USB Implementers Forum (USB-IF), which defines standard interfaces between computers and peripherals. The USB Type-C (USB-C) connector is the latest development in the USB standard that is a low profile, high data rate, and orientation-independent connector. The USB-C connector offers significant advantages in power and data delivery. It includes three major interface technologies for high-speed data: USB4 Version 2.0, USB4, Thunderbolt-3/Thunderbolt-4, and DisplayPort (UHBR/HBR). We can help you thoroughly test your USB interfaces in accordance with the USB standard and ensure the interoperability of your devices.
USB Type-C®, USB-C® and USB4® are trademarks of the USB Implementers Forum.
USB Design and Simulation
Upgrading or integrating USB interfaces into your device is complex. You need to optimize the performance of your designs early in the development process to prevent costly re-design after the first prototype. Design and simulation of a USB interface involves characterization of the clock and data signals for the transmitter, receiver, and channel using various stress signals. We can help you maximize the performance of your USB designs and ensure their compliance with the USB standard.
USB Transmitter and Receiver Test
The USB Type-C connection includes four sets of transmit and receive (Tx/Rx) pairs. This enables one, two or all four channels to transfer data simultaneously at any time. Enhanced power delivery provides up to 100 watts (W) for bi-directional device charging. These combined Type-C features and enhancements significantly increase the complexity of USB Tx/Rx conformance testing. Automated compliance test software can help you quickly and accurately validate your USB interfaces. We can help you seamlessly integrate USB Type-C into your devices.
USB Cable/Connector Test
Several variations of USB cables are used to connect and power the devices: USB Type-C, Type-A, Type-B, Micro, Mini, and others. USB has evolved from a simple 4-pin connection for power and data to USB Type-C, which is asymmetrical, reversible, and highly-functional 24-pin connection. Although USB Type-C offers many advantages, you face new test challenges to incorporate it into your devices. We can help you to understand and address these challenges to ensure successful USB Type-C integration into your devices and meet compliance.
USB Power Delivery
The USB Type-C connection incorporates a dynamic power system called power delivery (PD). USB PD's intelligent and flexible system-level power management supports bi-directional power that can switch direction for the connected provider (sourcing power) and consumer (sinking power) devices. This dynamic power makes it possible for USB Type-C to support other standards for video and audio signals, such as DisplayPort or Thunderbolt, through use of the alternate (ALT) mode. ALT mode enables specially designated pins in the USB Type-C connector to be reconfigured to output "alternate mode" signals, such as Thunderbolt, DisplayPort, and High-Definition Multimedia Interface (HDMI) instead of USB. We can help you ensure USB-PD safety, characterization, and interoperability in your devices.
Further Reading
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