USB2512B-I/M2

Product Overview

• Category: USB Hub Controller
• Use: The USB2512B-I/M2 is a high-performance, low-power USB 2.0 hub controller designed for embedded applications.
• Characteristics: It provides a flexible and cost-effective solution for expanding USB connectivity in various devices. The USB2512B-I/M2 supports up to two downstream ports and is compliant with USB 2.0 specifications.
• Package: The USB2512B-I/M2 comes in a compact QFN package, making it suitable for space-constrained designs.
• Essence: The essence of the USB2512B-I/M2 lies in its ability to enable multiple USB connections in embedded systems efficiently.
• Packaging/Quantity: The USB2512B-I/M2 is typically sold in reels of 2500 units.

Specifications

• USB Compliance: USB 2.0
• Downstream Ports: 2
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN
• Package Dimensions: 7mm x 7mm

Detailed Pin Configuration

The USB2512B-I/M2 has a total of 36 pins. Here is a detailed pin configuration:

1. VDD33: Power supply (3.3V)
2. GND: Ground
3. DP0: Data+ line for Port 0
4. DM0: Data- line for Port 0
5. DP1: Data+ line for Port 1
6. DM1: Data- line for Port 1
7. RESET: Reset input
8. INT: Interrupt output
9. SCL: I2C serial clock
10. SDA: I2C serial data
11. XTAL1: Crystal oscillator input
12. XTAL2: Crystal oscillator output
13. VDD33: Power supply (3.3V)
14. GND: Ground
15. DP0: Data+ line for Port 0
16. DM0: Data- line for Port 0
17. DP1: Data+ line for Port 1
18. DM1: Data- line for Port 1
19. RESET: Reset input
20. INT: Interrupt output
21. SCL: I2C serial clock
22. SDA: I2C serial data
23. XTAL1: Crystal oscillator input
24. XTAL2: Crystal oscillator output
25. VDD33: Power supply (3.3V)
26. GND: Ground
27. DP0: Data+ line for Port 0
28. DM0: Data- line for Port 0
29. DP1: Data+ line for Port 1
30. DM1: Data- line for Port 1
31. RESET: Reset input
32. INT: Interrupt output
33. SCL: I2C serial clock
34. SDA: I2C serial data
35. XTAL1: Crystal oscillator input
36. XTAL2: Crystal oscillator output

Functional Features

• High-Speed USB Hub: The USB2512B-I/M2 supports USB 2.0 specifications, allowing for high-speed data transfer rates.
• Flexible Configuration: It provides two downstream ports, enabling the connection of multiple USB devices simultaneously.
• Low Power Consumption: The USB2512B-I/M2 is designed to minimize power consumption, making it suitable for battery-powered devices.
• Plug-and-Play Compatibility: It offers plug-and-play functionality, allowing for easy integration into various systems.
• I2C Interface: The USB2512B-I/M2 features an I2C interface for configuration and control.

Advantages and Disadvantages

Advantages: - High-speed USB 2.0 connectivity - Flexible configuration with two downstream ports - Low power consumption - Plug-and-play compatibility - Compact package size

Disadvantages: - Limited to USB 2.0 specifications, not compatible with USB 3.0 or higher

Working Principles

The USB2512B-I/M2 acts as a hub controller, managing the connection and communication between a host device and multiple USB devices. It receives data from the host and distributes it to the connected USB devices, allowing them to communicate with the host and exchange data. The USB2512B-I/M2 also handles power management, providing power to the connected USB devices as required.

Detailed Application Field Plans

The USB2512B-I/M2 is widely used in various embedded applications that require USB connectivity. Some of the common application fields include:

1. Consumer Electronics: Smart TVs, set-top boxes