Acroname Blog

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…

What are USB-C Universal Orientation Cables?Acroname Universal Orientation Cables (UOCs) are specialized USB-C cables designed to automate testing of both sides of a USB-C receptacle when used with the USBHub3c or USB-C-Switch.  Unlike standard USB cables that require manual flipping, Acroname…

Unlock the Power of Secure Connections: Acroname’s Premium Locking USB-C SolutionsSometimes you really want your USB-C cables to stay put. Our screw-lock USB-C cables connect to devices that support single-screw locking like our USBHub3c USB-C hub.  Three versions are available:C68: USB-C Vbus…

More control than just on and off Enable and disable VBus, all Data, High Speed or Super Speed connections In addition to turning ports on and off, the USBHub3+ can also independently enable and disable Voltage and Data: Vbus All Data High Speed data (480 Mbps) Super Speed data (5 Gbps)…

Sometimes we hear from customers who have used our programmable USB hubs for unusual applications. Maybe one of these examples will help solve your problem! Dual-Hosting USB Storage Volumes  Imagine a scenario where one host machine directly boots from an OS image on an SSD or thumb…

How to monitor voltage and power with the GUI or Python Among other properties, we can view: Per-port Voltage Per-port Current Input Voltage Input Current Measuring voltage and current with HubTool If you haven't already, install HubTool, which is part of the Brainstem Dev…

Did you unplug it and plug it back in? Turning ports on and off with Python It shouldn't have to happen, but sometimes you need to plug and unplug a USB device. Maybe the device needs to power cycle, maybe you need to enable devices one-by-one so they enumerate correctly.  Rather than…

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…

USB-C functional tests involve a lot of cable plugging and unplugging, connector flipping, and device swapping.  Acroname's USB-C-Switch handles those connections for you, providing control through our HubTool GUI application or BrainStem API, even remotely!For this article, we'll look at…

The problem with USB TESTING Suppose you’re a test engineer working on USB compliance testing.  You have a well-equipped lab with some high-end test equipment.  But you’d rather be in your office doing other work than in the lab plugging, unplugging, and flipping cables while…