USB2517I-JZX: Microchip's Advanced USB 2.0 Hub Controller for Next-Gen Connectivity

The USB2517I-JZX represents Microchip Technology's cutting-edge solution for USB 2.0 connectivity challenges in modern electronic designs. As a highly integrated hub controller IC, it delivers exceptional performance while meeting the rigorous demands of industrial and commercial applications.

Comprehensive Product Overview

Manufacturer Excellence

Developed by Microchip Technology - a global leader in semiconductor solutions - the USB2517I-JZX maintains Active production status, guaranteeing long-term availability for your projects. Microchip's reputation for reliability makes this IC a trusted choice for mission-critical applications.

Technical Specifications Deep Dive

Core Functionality

• Protocol: USB 2.0 (480 Mbps high-speed capable)
• Port Configuration: Supports up to 7 downstream ports
• Power Management: Integrated power switching and over-current detection

Electrical Characteristics

• Operating Voltage: 3.0V to 3.6V (single supply operation)
• Current Consumption: 130mA typical (low-power modes available)
• ESD Protection: >8kV (exceeds USB compliance requirements)

Environmental Robustness

• Temperature Range: -40 C to +85 C (industrial grade)
• Package: 64-VFQFN (9 9mm) with exposed thermal pad
• Compliance: USB-IF certified, RoHS compliant

Advanced Features and Benefits

Enhanced Connectivity Solutions

The USB2517I-JZX implements Microchip's proprietary MultiTRAK technology, which provides independent transaction translators for each downstream port. This architecture delivers:

• 30% better throughput compared to conventional hub designs
• Elimination of cross-port traffic interference
• Improved latency for time-sensitive applications

Design Flexibility

Engineers appreciate the IC's configurable features:

• Programmable vendor ID, product ID, and device revision
• Customizable port mapping and disable functions
• Optional battery charging support (BC1.2 compliant)
• I C/SPI EEPROM interface for configuration storage

Application Scenarios

Industrial Implementations

The USB2517I-JZX excels in harsh environments:

• Factory automation control systems
• Medical diagnostic equipment
• Test and measurement instruments
• Kiosk and POS systems

Consumer Electronics

Common design applications include:

• Multi-port USB hubs for workstations
• Gaming peripherals connectivity
• Smart home hub integrations
• Automotive infotainment systems

Design Considerations

Layout Recommendations

For optimal performance:

• Implement proper ground plane partitioning
• Use 1 F decoupling capacitors near each VCC pin
• Follow Microchip's AN26.20 application note for PCB layout

Thermal Management

The 64-VFQFN package features:

• Exposed thermal pad (recommended 4 4 via array)
• Maximum junction temperature: 125 C
• JA: 28 C/W (with proper PCB heatsinking)

Why Engineers Choose USB2517I-JZX

1. Proven Reliability: >1 billion hub ports shipped worldwide
2. Design Support: Comprehensive reference designs and SDK available
3. Future-Proof: Compatible with USB 3.0/3.1 host controllers
4. Cost-Effective: Reduces BOM count versus discrete solutions

Purchasing and Resources

The USB2517I-JZX is available through authorized distributors worldwide. Design resources include:

• Complete datasheet with register maps
• Evaluation board (part # USB2517EV)
• Linux and Windows driver packages
• Configuration utility software

For designers seeking robust USB 2.0 connectivity, the USB2517I-JZX delivers unparalleled integration, performance, and reliability - making it the ideal choice for your next-generation products.