Infineon Controller IC 4-Channel 5V USB 2.0, 48-Pin TQFP CY7C65632-48AXCT

Infineon CY7C65632-48AXCT Controller IC is a highly integrated USB 2.0 hub controller designed for cost-effective and low-power USB hub implementations. It is housed in a compact 48-pin TQFP package measuring 7 mm in length and 1.4 mm in height, suitable for surface mount on PCBs.

This controller IC supports up to four downstream ports which are backward compatible with full speed (FS) and low speed (LS) USB devices, complying rigorously with the USB 2.0 standard. It features a single transaction translator (TT) to maintain low cost while delivering efficient data handling.

Power efficiency is enhanced by an internal regulator requiring only a 5 V single power supply and supports both bus-powered and self-powered modes with automatic switching between these modes. The IC integrates upstream pull-up resistors, pull-down resistors on all downstream ports, and termination resistors to ensure signal integrity and reliable operation.

Protection features include ESD robustness and internal power failure detection for enhanced durability and recovery. The device includes comprehensive downstream port management with overcurrent detection and port status indicators to monitor USB hub health.

Configurability is a key aspect, with VID and PID parameters externally configurable through EEPROM as well as flexible I/O pins that manage power switching modes and clock source polarity. The device operates within a temperature range of 0 to 70 °C, supporting an external 12 MHz crystal clock with low power consumption.

Complies with USB 2.0 specification supporting four downstream ports. Supports bus-powered and self-powered modes with auto switching. Features integrated upstream pull-up resistor and internal regulators requiring a single 5V power supply.

Provides ESD protection and low power consumption. Supports configurable VID and PID through external EEPROM. Downstream ports support full speed and low speed backward compatibility. Includes integrated port status indicator control and overcurrent detection.

Operates across 0°C to 70°C temperature range with 12 MHz external crystal clock input.

This controller IC is widely used in electronics manufacturing for USB hubs in industrial, computing, and consumer electronics applications. It enables efficient USB connectivity and device interfacing with optimized power management and low component count, reducing bill-of-material costs.

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