GL850G

The GL850G is a USB 2.0 hub controller manufactured by Genesys Logic. It is designed to facilitate the connection of multiple USB devices to a single USB port on a host computer. The GL850G supports up to four downstream ports, allowing for efficient data transfer between connected USB devices and the host. It is compliant with USB 2.0 specifications, ensuring high-speed data transfer rates of up to 480 Mbps.
The chip is known for its low power consumption and supports both bus-powered and self-powered modes. It features low-speed, full-speed, and high-speed support, making it versatile for various types of USB devices. Additionally, the GL850G includes over-current sensing and thermal protection, ensuring safe operation. It is commonly used in consumer electronics, such as USB hubs, docking stations, and multi-function peripherals.
Overall, the GL850G is a reliable and cost-effective solution for expanding USB connectivity, offering plug-and-play functionality without the need for additional drivers on most operating systems.

The GL850G is a USB 2.0 hub controller. Equivalent products include:
1. Microchip USB2514B - A USB 2.0 high-speed hub controller with 4 downstream ports.
2. Texas Instruments TUSB2046B - A 4-port USB 2.0 hub controller.
3. Realtek RTS5411 - A highly integrated, high-performance USB 2.0 hub controller.
4. VIA Labs VL812 - A USB 3.0 hub controller with backward compatibility to USB 2.0.
These alternatives offer similar functionalities for USB hub applications.

The GL850G is a USB 2.0 hub controller that features a highly integrated design suitable for a variety of applications. It supports up to four downstream ports, allowing multiple USB devices to connect to a single USB host. Key features include:
1. Compliant with USB 2.0 Specification: Ensures high-speed data transfer rates of up to 480 Mbps.
2. Port Management: Includes individual port power control and over-current protection, enhancing safety and reliability.
3. Low Power Consumption: Designed for energy efficiency, making it ideal for portable and battery-operated devices.
4. Built-in 5V to 3.3V LDO Regulator: Simplifies power supply requirements by integrating voltage regulation.
5. Support for Charging: Capable of handling various charging protocols, allowing for effective device charging.
6. LED Indicators: Facilitates easy status monitoring for each port.
7. Compatibility: Works with various operating systems without the need for additional drivers.
These features make the GL850G a versatile choice for expanding USB connectivity in consumer electronics, computer peripherals, and other embedded systems.

The GL850G is a single-chip USB 2.0 hub controller from Genesys Logic. It typically comes in a 28-pin package. Here is a brief overview of its pin configuration and functions:
1. VCC (Power Supply Pins): Provides power to the chip.
2. GND (Ground Pins): Ground connection for the device.
3. USB Port Pins (D+ and D-): These are differential data lines for upstream and downstream USB ports. They manage data transfer between host and devices.
4. XTAL1/XTAL2 (Crystal Oscillator Pins): Connect to an external crystal for clock generation.
5. RESET: Resets the device to its initial state.
6. OVC (Overcurrent Detection Pins): Used for detecting overcurrent conditions on downstream ports.
7. LED: Optional pins for status indicators.
8. TEST: Used for testing purposes during manufacturing.
9. DP_PU (Pull-up Resistor Pin): Usually connected to a resistor for full-speed operation.
The GL850G is designed to offer plug-and-play USB connectivity and supports up to four downstream ports. It's commonly used in applications requiring USB connectivity expansion, such as docking stations and portable devices.

The GL850G is manufactured by Genesys Logic, Inc., a company based in Taiwan. Genesys Logic specializes in the design and development of integrated circuits, specifically focusing on high-speed input/output (I/O) technologies. The company is known for producing components like USB controllers, card readers, and other related semiconductor products used in various electronic devices. Genesys Logic serves a wide range of markets, including consumer electronics, computing, and communication industries.

The GL850G is primarily used in USB hub applications due to its compliance with USB 2.0 specifications. It serves as a cost-effective solution for expanding USB connectivity, making it suitable for personal computers, notebooks, and consumer electronics that require multiple USB ports. The chip is also found in docking stations, USB peripherals, and other devices needing enhanced USB functionality. Its low power consumption and support for multiple downstream ports make it ideal for portable and embedded systems. Additionally, the GL850G is used in networking equipment and industrial applications where reliable USB connectivity is essential.

The GL850G is a USB 2.0 hub controller typically available in a 48-pin LQFP (Low-Profile Quad Flat Package).