USB2512B-AEZG

Product Overview

• Category: USB Hub Controller
• Use: The USB2512B-AEZG is a high-performance, low-power USB 2.0 hub controller designed for embedded applications.
• Characteristics: It offers flexible and robust connectivity options for expanding USB capabilities in various devices. The controller supports up to two downstream ports and provides advanced features like battery charging detection, over-current protection, and configurable port mapping.
• Package: The USB2512B-AEZG comes in a compact QFN package, making it suitable for space-constrained designs.
• Essence: This USB hub controller enables seamless integration of multiple USB devices into a single host system, enhancing connectivity and convenience.
• Packaging/Quantity: The USB2512B-AEZG is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

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

Pin Configuration

The USB2512B-AEZG has a total of 36 pins. Here is the detailed pin configuration:

1. VDD33
2. GND
3. DP0
4. DM0
5. DP1
6. DM1
7. RESET
8. INT
9. SDA
10. SCL
11. GPIO0
12. GPIO1
13. GPIO2
14. GPIO3
15. GPIO4
16. GPIO5
17. GPIO6
18. GPIO7
19. GPIO8
20. GPIO9
21. GPIO10
22. GPIO11
23. GPIO12
24. GPIO13
25. GPIO14
26. GPIO15
27. GPIO16
28. GPIO17
29. GPIO18
30. GPIO19
31. GPIO20
32. GPIO21
33. GPIO22
34. GPIO23
35. GPIO24
36. GPIO25

Functional Features

• Battery Charging Detection: The USB2512B-AEZG can detect the presence of a connected battery-powered device and adjust the charging current accordingly.
• Over-Current Protection: It provides protection against excessive current draw, preventing damage to the hub or connected devices.
• Configurable Port Mapping: The controller allows flexible mapping of downstream ports, enabling customization based on specific application requirements.

Advantages and Disadvantages

Advantages: - High-performance USB 2.0 connectivity - Compact package suitable for space-constrained designs - Advanced features like battery charging detection and over-current protection

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

Working Principles

The USB2512B-AEZG acts as an intermediary between a host system and multiple USB devices. It manages the data flow and power distribution among the connected devices. The controller communicates with the host system through the USB interface and provides downstream ports for connecting external USB devices. It also incorporates various features like battery charging detection and over-current protection to ensure reliable and safe operation.

Detailed Application Field Plans

The USB2512B-AEZG finds applications in various fields, including but not limited to:

1. Consumer Electronics: Enables USB expansion in smart TVs, gaming consoles, set-top boxes, etc.
2. Industrial Automation: Facilitates USB connectivity in industrial control systems, human-machine interfaces, etc.
3. Automotive: Integrates USB functionality in infotainment systems, rear-seat entertainment, etc.
4. Medical Devices: Enables USB connectivity for medical equipment, patient monitoring systems, etc.
5. IoT Devices: Provides USB expansion capabilities in smart home devices, wearables, etc.

Alternative Models

Here are some alternative models that offer similar functionality:

1. USB2514B-AEZG
2. USB2517B-AEZG
3. USB2518B-AEZG

These models have varying specifications and pin configurations, allowing customers to choose the most suitable option based on their specific requirements.

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