USB2514-AEZG

Controllers Overview

The USB2514-AEZG is a low-power, OEM configurable USB 2.0 Hi-Speed hub controller IC featuring four downstream ports. It utilizes MultiTRAK technology to provide one transaction translator per port for consistent full-speed data throughput. The device supports low-speed, full-speed, and high-speed downstream devices on all enabled ports. It operates with a single external 3.3 V supply source, while internal regulators provide the necessary core voltage. The component includes fully integrated USB termination and pull-up/pull-down resistors, an onboard 24 MHz crystal driver, and customizable vendor, product, and device IDs.

Controllers Feature Summary

• MultiTRAK technology provides dedicated transaction translators per port to maintain consistent full-speed data throughput regardless of active downstream connections.
• PortMap allows flexible port mapping and disable sequencing, automatically reordering remaining ports to match host numbering schemes when ports are disabled.
• PortSwap enables programmable USB differential-pair pin locations to align signals directly to connectors, simplifying PCB layout by avoiding uneven trace lengths.
• PHYBoost offers four programmable levels of USB signal drive strength in downstream transceivers to recover signal integrity in compromised system environments.

Controllers Applications

• LCD monitors and TVs
• Multi-function USB peripherals
• PC motherboards
• Set-top boxes, DVD players, DVR/PVR
• Printers and scanners

Controllers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type, temperature range, and compliance status. Ensure the selected variant matches the required operational environment and configuration interface needs before finalizing procurement orders.

Controllers Selection Notes

Select this model for designs requiring four downstream USB ports with high-performance full-speed data handling. Consider the footprint compatibility with other USB251x family members if drop-in replacement strategies are needed. Verify that the application supports the specified operating temperature range and power supply requirements.

Controllers Part Context

This component belongs to the SMSC USB251x hub family, which includes variants with two, three, four, or seven downstream ports. The 'x' in the part number indicates the number of available downstream ports. This specific model represents the four-port configuration within the broader family of low-power, OEM-configurable hub controllers.

Controllers Replacement Considerations

USB2514B-AEZG and USB2514i-AEZG are direct drop-in replacements with identical footprints. These variants offer enhanced features such as battery charging support and extended temperature ranges while maintaining compatibility with existing PCB components.

Controllers FAQ

How does MultiTRAK technology improve performance compared to conventional hubs?

MultiTRAK technology provides one transaction translator per port, ensuring consistent full-speed data throughput regardless of the number of active downstream connections, unlike conventional hubs that use a single shared transaction translator.

What configuration options are available for the USB2514-AEZG?

The device supports OEM configuration via a single serial I2C EEPROM or an SMBus slave port. It also allows customization of vendor ID, product ID, device ID, and string descriptors up to 31 characters.

Can the USB2514-AEZG operate as both self-powered and bus-powered?

Yes, the hub controller supports both self-powered and bus-powered operation modes, providing flexibility in power management design.