Acroname Blog

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…

Between backward compatibility and future-proofing, working with technology sometimes feels like it requires both a history degree and a crystal ball. But predicting the future of USB power delivery technology isn't a guessing game. Here at Acroname, we've noticed some clear trends in where the…

If you're looking for a guide to power delivery connector types, look no further. We're going to take a deep dive into the world of USB power delivery and explore different types of connectors. Different USB PD applications have different needs, so a USB-C PD connector will look a lot different…

What's a USB device tree, and why is it important for conference room A/V? Understanding the USB Device Tree Acroname's ControlRoom web-based software works with our intelligent USB hubs to visualize the USB device tree of the host. USB has the concept of tiers: the host and root hub are on…

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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…