The USB3503AI-1-GL-TR from Microchip Technology is a USB 2.0 high-speed hub controller in a compact 25-ball BGA package, designed for 3-port operation in portable and embedded systems. 

Supporting low, full, and high-speed USB 2.0 devices, the USB3503 combines advanced power-saving features with a compact design and robust configurability. With options like MultiTRAK™ transaction translation, programmable signal drive strength, and onboard voltage regulators, this hub controller streamlines USB expansion in mobile and power-sensitive designs. Let’s explore its key features and use cases. 

Key Features of the USB3503AI-1-GL-TR

Three-Port USB 2.0 Hub 
Supports three downstream USB 2.0 connections, ideal for space-constrained, high-performance designs. 

HSIC Upstream Connectivity 
Reduces your Bill of Materials (BOM) and optimises your board space by removing the need for standard USB transceivers. 

Ultra-Low Standby Current 
Typical standby current of just 1 μA conserves power in battery-operated applications. 

MultiTRAK™ Transaction Translation 
One dedicated Transaction Translator per port ensures high-speed throughput without bottlenecks. 

I2C and Default Configurability 
Easily configure descriptors and behaviour via I2C or use the built-in default settings. 

Integrated Power Regulators 
Onboard 3.3 V and 1.2 V regulators simplify power supply design in single-supply systems. 

ESD & Overcurrent Protection 
±15 kV ESD protection and built-in overcurrent detection ensure robust operation in demanding environments. 

Applications of USB3503AI-1-GL-TR 

The USB3503AI-1-GL-TR is a flexible, high-performance USB hub solution for: 

• Smartphones and tablets 

• GPS and navigation devices 

• Digital still and video cameras 

• Automotive infotainment systems 

• Portable media players 

• Gaming consoles and handheld devices 

• USB battery charging hubs 
• Embedded computing platforms 

Why Choose Component Sense? 

At Component Sense, we specialise in the fast, reliable, and sustainable supply of premium electronic components like the USB3503AI-1-GL-TR. Here’s why procurement professionals choose us:  

“Hard working team, excellent resource to help reduce your excess inventory, and fantastic customer service!” 

— Director of Supply Chain, US-based Electronics Company 

• We currently offer over $1 billion worth of excess and obsolete electronic component inventory, including Microchip’s USB3503AI-1-GL-TR. Our up-to-date, in-stock inventory ensures quick fulfilment of your BOM, and helps eliminate sourcing delays. 

• We protect your supply chain from counterfeit components. Every part we supply is brand-new, unused, and fully traceable back to the original manufacturer. Not to mention, we only sell stock from tier-one OEM and EMS partners with a high level of security built into their supply chain. 

• Our industry-leading inspection process, developed in collaboration with leading Scottish universities, ensures each component is 100% fit for form and function. All components are backed by a 12-month warranty for your peace of mind. 

• We specialise in the redistribution of excess and obsolete (E&O) stock, extending the lifecycle of high-quality components and reducing electronic waste. To further our sustainability goals, we plant two trees for every order, offsetting the carbon emissions for both our buyers and sellers. Since 2001, we’ve offered expert support, rapid response, and dependable service. Quote requests are answered within 1 hour, and we offer same-day international shipping. Our 95% on-time delivery rate helps keep your supply chain moving and projects on schedule. 

When sourcing electronic parts like the USB3503AI-1-GL-TR, trust Component Sense for authenticity, sustainable procurement, and industry-leading service.

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