Acroname Blog

The Problem: Inconsistent Serial Port Assignment for multiple devicesA recurring issue when working with multiple USB-to-serial connections is that the operating system does not consistently assign port names. This is especially painful for end-of-line (EOL) functional test customers who are…

Eliminating AC/DC Wall Adapters for Low-Power Devices Using the Acroname USBHub3c The need for more efficient, space-saving, and simplified power solutions is rising in today's increasingly connected world. Many devices, especially in the industrial, medical, and consumer electronics markets, rely…

IntroductionMobile devices are built to maximize how long they can run between charges by topping off the battery when connected to power.  However, in mobile device and Continuous Integration (CI) labs, where hundreds of devices need continuous USB data connections, this presents a challenge…

I. Introduction to USB Power Delivery (PD) Sink TestingUSB Power Delivery (USB PD) is a convenient way to power a variety of devices.  Since a USB PD sink device could be connected to any PD source, sinks need to work safely and correctly with any source they might encounter.The USBHub3c by…

CDP, SDP, and DCP The USBHub3+ can set each of its downstream ports to several power modes to support a range of devices. The supported modes are part of BC1.2 USB charging specification: Port mode Mode description Condition Maximum current (device limited) SDP…

Enhance Port Density with USBHub3+ Need more ports in less space? - Strategies for Managing USB Port Expansion and multiple USB devicesConsider USBHub3+ for managing USB port density in server rooms and some USB-C applications if high port density is requiredUSBHub3c is a great…

 Daisy Chain Acroname USB HubsCustomers often ask how many Acroname USBHub3+ hubs can be daisy-chained.The answer is pretty simple: four.However, getting there requires some understanding of the USB specification and the internal topology of Acroname hubs. Also, by following our suggested…