仕様
| 属性 | 値 |
| Package / Case | Tube,Tube |
| Series | TetraHub™ |
| Part Status | Obsolete |
| Protocol | USB |
| Function | Hub Controller |
| Interface | USB |
| Standards | USB 2.0 |
| Voltage - Supply | 3.15V ~ 3.45V |
| Operating Temperature | 0°C ~ 70°C |
概要
Description
The CY7C65640A-LFXC is a high-performance USB 2.0 hub controller developed by Cypress Semiconductor. It is designed to provide a full-speed downstream USB hub interface for connecting multiple USB devices to a single host system. The controller supports up to four downstream ports and includes integrated 1.5kΩ pull-up resistors for the USB 2.0 specification compatibility.
This device operates at speeds of 1.5 Mbps (low-speed), 12 Mbps (full-speed), and 480 Mbps (high-speed), making it suitable for a variety of USB applications. It features built-in support for bus- or self-powered operations, with an integrated voltage regulator that minimizes the need for external components.
The CY7C65640A-LFXC is known for its low power consumption and is compliant with the USB-IF standards, ensuring interoperability with a wide range of USB devices and hosts. It comes in a space-efficient package, making it ideal for use in compact designs such as docking stations, port replicators, and USB peripheral devices.
This device operates at speeds of 1.5 Mbps (low-speed), 12 Mbps (full-speed), and 480 Mbps (high-speed), making it suitable for a variety of USB applications. It features built-in support for bus- or self-powered operations, with an integrated voltage regulator that minimizes the need for external components.
The CY7C65640A-LFXC is known for its low power consumption and is compliant with the USB-IF standards, ensuring interoperability with a wide range of USB devices and hosts. It comes in a space-efficient package, making it ideal for use in compact designs such as docking stations, port replicators, and USB peripheral devices.
Equivalent
The CY7C65640A-LFXC is a USB hub controller by Cypress Semiconductor. Equivalent products might include the USB2514B from Microchip, the TUSB4041I from Texas Instruments, and the GL850G from Genesys Logic. These alternatives offer similar functionality as USB hub controllers, but it's important to review the specific datasheets and product specifications to ensure compatibility with your design requirements.
Features
The CY7C65640A-LFXC is a USB hub controller designed by Cypress Semiconductor. It features a USB 2.0 compliant hub with support for up to four downstream ports, enabling connectivity to multiple USB devices. The controller ensures backward compatibility with USB 1.1 devices, allowing seamless integration with a wide range of peripherals.
Key features include low power consumption and support for bus- or self-powered configurations, making it suitable for both portable and stationary USB hub applications. The device integrates an on-chip voltage regulator, which simplifies power supply requirements and enhances design flexibility.
The CY7C65640A-LFXC comes with advanced power management capabilities, including individual or ganged power control options for the downstream ports, contributing to energy efficiency. It also supports overcurrent protection, ensuring safe operation and protection of connected devices.
Additionally, it features individual port status indicators and supports external EEPROM for device configuration, providing customization options for manufacturers. The controller is housed in a 48-pin QFN package, offering a compact form factor suitable for space-constrained designs.
Key features include low power consumption and support for bus- or self-powered configurations, making it suitable for both portable and stationary USB hub applications. The device integrates an on-chip voltage regulator, which simplifies power supply requirements and enhances design flexibility.
The CY7C65640A-LFXC comes with advanced power management capabilities, including individual or ganged power control options for the downstream ports, contributing to energy efficiency. It also supports overcurrent protection, ensuring safe operation and protection of connected devices.
Additionally, it features individual port status indicators and supports external EEPROM for device configuration, providing customization options for manufacturers. The controller is housed in a 48-pin QFN package, offering a compact form factor suitable for space-constrained designs.
Pinout
The CY7C65640A-LFXC is a USB 2.0 hub controller from Cypress Semiconductor. It is designed to expand a single USB port into multiple ports. The chip typically comes in a 56-pin QFN (Quad Flat No-leads) package.
The main functions of the CY7C65640A-LFXC include:
1. USB Hub Controller: It manages the connection between an upstream USB port and multiple downstream ports, providing expanded interconnectivity while maintaining compliance with the USB 2.0 specification.
2. Support for Multiple Devices: The chip can support up to four downstream USB ports, allowing multiple peripheral devices to be connected simultaneously.
3. Power Management: Integrated features help manage power to connected devices, which can include options for bus-powered or self-powered operation.
4. Overcurrent Protection: It offers built-in protection to safeguard connected devices from overcurrent situations.
5. Low Power Consumption: The device is designed to be efficient, supporting low-power modes.
This makes the CY7C65640A-LFXC suitable for a variety of applications that require USB connectivity, such as in PCs, docking stations, and consumer electronics.
The main functions of the CY7C65640A-LFXC include:
1. USB Hub Controller: It manages the connection between an upstream USB port and multiple downstream ports, providing expanded interconnectivity while maintaining compliance with the USB 2.0 specification.
2. Support for Multiple Devices: The chip can support up to four downstream USB ports, allowing multiple peripheral devices to be connected simultaneously.
3. Power Management: Integrated features help manage power to connected devices, which can include options for bus-powered or self-powered operation.
4. Overcurrent Protection: It offers built-in protection to safeguard connected devices from overcurrent situations.
5. Low Power Consumption: The device is designed to be efficient, supporting low-power modes.
This makes the CY7C65640A-LFXC suitable for a variety of applications that require USB connectivity, such as in PCs, docking stations, and consumer electronics.
Manufacturer
The CY7C65640A-LFXC is manufactured by Cypress Semiconductor Corporation. Cypress Semiconductor is a technology company known for its design and production of a wide range of semiconductor products. The company focuses on delivering high-performance, mixed-signal, programmable solutions. Their product portfolio includes microcontrollers, wireless connectivity solutions, memories, and interface devices, among others. Cypress Semiconductor serves various industries, including automotive, industrial, consumer electronics, and IoT, providing components that support connectivity, power management, and data processing. In 2020, Cypress Semiconductor was acquired by Infineon Technologies, a German semiconductor manufacturer, which has expanded its range of offerings and reinforced its position in the global semiconductor market.
Application
The CY7C65640A-LFXC is a USB hub controller commonly used in various applications requiring USB connectivity. Its primary application areas include consumer electronics such as PCs and laptops, where it expands USB ports for peripherals. It's also utilized in docking stations and port replicators to facilitate multiple USB device connections. Additionally, it finds use in embedded systems and industrial equipment that require reliable and efficient USB hubs for communication and peripheral integration. Its integration in USB charging stations and hubs enhances the user experience by providing multiple charging and connectivity options. Overall, the chip is integral to any system needing expanded USB connectivity.
Package
The CY7C65640A-LFXC is a USB hub controller from Cypress Semiconductor, packaged in a 56-pin QFN (Quad Flat No-leads) package. This package type is compact and suitable for surface mounting on PCBs, offering advantages in terms of space-saving and thermal performance.