USB2514I-HZH

Product Overview

• Category: USB Hub Controller
• Use: The USB2514I-HZH is a high-speed USB 2.0 hub controller designed for embedded applications.
• Characteristics: It provides four downstream USB ports with integrated upstream USB transceivers, making it suitable for various USB hub applications. The USB2514I-HZH supports both low-speed and full-speed USB devices.
• Package: The USB2514I-HZH comes in a compact QFN package, which allows for easy integration into small form factor designs.
• Essence: This USB hub controller enables the expansion of USB connectivity in embedded systems, providing a convenient solution for connecting multiple USB devices.
• Packaging/Quantity: The USB2514I-HZH is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• USB Compliance: USB 2.0
• Number of Ports: 4 downstream USB ports
• Supported Speeds: Low-speed (1.5 Mbps), Full-speed (12 Mbps)
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN

Pin Configuration

The USB2514I-HZH features a total of 36 pins. Here is a detailed pin configuration:

1. VDD33
2. GND
3. DP0
4. DM0
5. DP1
6. DM1
7. DP2
8. DM2
9. DP3
10. DM3
11. RESET
12. SLEEP#
13. INT#
14. SUSPEND#
15. XTAL1
16. XTAL2
17. NC
18. NC
19. NC
20. NC
21. NC
22. NC
23. NC
24. NC
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC
33. NC
34. NC
35. NC
36. NC

Functional Features

• High-Speed USB Hub: The USB2514I-HZH supports high-speed USB 2.0 connectivity, allowing for fast data transfer rates.
• Integrated Transceivers: It features integrated upstream USB transceivers, eliminating the need for external components.
• Multiple Downstream Ports: With four downstream USB ports, this hub controller enables the connection of multiple USB devices simultaneously.
• Low/Full-Speed Support: The USB2514I-HZH is compatible with both low-speed and full-speed USB devices, ensuring compatibility with a wide range of peripherals.

Advantages and Disadvantages

Advantages: - Compact form factor for easy integration into small designs. - Integrated upstream transceivers simplify the design process. - Supports multiple USB devices simultaneously.

Disadvantages: - Limited to USB 2.0 speeds, not compatible with USB 3.0 or higher. - Does not support high-power charging capabilities.

Working Principles

The USB2514I-HZH operates by receiving USB data from the host device through its upstream port and distributing it to the connected downstream USB devices. It manages the communication between the host and the connected devices, ensuring proper data transfer and power distribution.

Application Field Plans

The USB2514I-HZH finds applications in various embedded systems that require multiple USB connections. Some potential application fields include:

1. Industrial Automation: Used in industrial control systems to connect USB devices such as sensors, actuators, and human-machine interfaces.
2. Automotive Electronics: Integrated into automotive infotainment systems to enable USB connectivity for media devices, smartphones, and other peripherals.
3. Medical Devices: Incorporated into medical equipment to facilitate the connection of USB-enabled devices like diagnostic tools and patient monitoring systems.
4. Consumer Electronics: Utilized in smart TVs, set-top boxes, and gaming consoles to provide additional USB ports for connecting peripherals such as keyboards, mice, and storage devices.

Alternative Models

• USB2514B-HZH: Similar to the USB2514I-HZH but with enhanced power management features.
• USB2514A-HZH: A lower-cost variant with reduced functionality compared to the USB2514I-HZH.
• USB2514C-HZH: Offers additional features such as configurable GPIO pins and enhanced ESD protection.

Note: The above alternative models are provided as examples and may not be an exhaustive list.

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