USB2504-JT

Product Overview

• Category: USB Hub
• Use: The USB2504-JT is a high-speed USB 2.0 hub controller designed for use in various electronic devices.
• Characteristics: This hub controller offers four downstream ports with integrated upstream termination resistors, making it suitable for applications requiring multiple USB connections. It supports data rates of up to 480 Mbps and is backward compatible with USB 1.1 devices.
• Package: The USB2504-JT comes in a compact surface-mount package, allowing for easy integration into circuit boards.
• Essence: The essence of the USB2504-JT lies in its ability to expand the number of USB ports available on a device, enabling simultaneous connections to multiple peripherals.
• Packaging/Quantity: The USB2504-JT is typically sold in reels or trays, with quantities varying depending on the manufacturer's specifications.

Specifications

• USB Compliance: USB 2.0
• Data Rates: Up to 480 Mbps
• Number of Ports: 4 downstream ports
• Termination Resistors: Integrated upstream termination resistors
• Backward Compatibility: USB 1.1
• Package Type: Surface Mount
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The USB2504-JT features the following pin configuration:

• Pin 1: VBUS
• Pin 2: D-
• Pin 3: D+
• Pin 4: GND
• Pin 5: Port 1 DP
• Pin 6: Port 1 DM
• Pin 7: Port 2 DP
• Pin 8: Port 2 DM
• Pin 9: Port 3 DP
• Pin 10: Port 3 DM
• Pin 11: Port 4 DP
• Pin 12: Port 4 DM
• Pin 13: NC
• Pin 14: GND
• Pin 15: XTAL1
• Pin 16: XTAL2

Functional Features

The USB2504-JT offers the following functional features:

1. High-Speed Data Transfer: With support for USB 2.0, the USB2504-JT enables fast and reliable data transfer between devices.
2. Multiple Ports: The hub controller provides four downstream ports, allowing simultaneous connections to multiple USB devices.
3. Integrated Termination Resistors: The integrated upstream termination resistors simplify circuit design and improve signal integrity.
4. Backward Compatibility: The USB2504-JT is backward compatible with USB 1.1 devices, ensuring compatibility with older peripherals.

Advantages and Disadvantages

Advantages: - Enables expansion of USB ports on electronic devices - High-speed data transfer capability - Integrated termination resistors simplify circuit design - Backward compatibility ensures compatibility with older devices

Disadvantages: - Limited to USB 2.0 speeds - May require additional power supply for high-power peripherals

Working Principles

The USB2504-JT operates by receiving data from the host device through its upstream port and distributing it to the connected downstream devices. It manages the flow of data and ensures proper communication between the host and peripheral devices. The integrated termination resistors help maintain signal integrity and minimize data errors.

Detailed Application Field Plans

The USB2504-JT finds applications in various electronic devices that require multiple USB connections. Some common application fields include:

1. Computers: The USB2504-JT can be used in desktop computers, laptops, and servers to expand the number of available USB ports.
2. Consumer Electronics: It can be integrated into televisions, gaming consoles, and media players to enable connectivity with USB peripherals.
3. Industrial Equipment: The hub controller is suitable for use in industrial equipment such as control panels, data loggers, and automation systems that require multiple USB connections.
4. Medical Devices: Medical devices like diagnostic equipment, patient monitors, and imaging systems can benefit from the USB2504-JT's ability to connect multiple USB peripherals.

Detailed and Complete Alternative Models

1. USB2514-JT: Similar to the USB2504-JT, this model offers four downstream ports but includes additional features such as overcurrent protection and enhanced ESD protection.
2. USB2304-JT: This model provides a compact form factor with two downstream ports, making it suitable for space-constrained applications.
3. USB2604-JT: With six downstream ports, this model offers expanded connectivity options for devices requiring more USB connections.

These alternative models provide similar functionality to the USB2504-JT while offering different port configurations and additional features based on specific application requirements.

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