Microchip Technology

MIC2591B-2BTQ

MIC2591B-2BTQ Description

The MIC2591B-2BTQ is a hot plug controller designed for PCI Express® applications, offering robust performance and reliability in managing power and signal integrity during hot plug operations. Manufactured by Microchip Technology, this device is housed in a tube package and is suitable for surface mount applications. It operates within a temperature range of 0°C to 70°C and is powered by a dual supply voltage of 3V to 3.6V and 11V to 13V. The MIC2591B-2BTQ features six channels, providing flexibility and scalability for various system configurations.

MIC2591B-2BTQ Features

The MIC2591B-2BTQ stands out with its comprehensive set of features designed to enhance system performance and reliability. Key features include:

• Latched Fault Detection: Ensures that any detected faults are latched, preventing transient issues from causing intermittent system failures.
• SMBus Interface: Facilitates communication and control, allowing for dynamic configuration and monitoring of the hot plug controller.
• Thermal Limit Protection: Protects the device and connected components from overheating by monitoring and managing thermal conditions.
• UVLO (Under-Voltage Lockout): Prevents operation below a specified voltage threshold, ensuring stable and reliable performance.
• Programmable Current Limit: Allows customization of current limits to match specific application requirements, enhancing system protection.
• Programmable Fault Timeout: Provides flexibility in setting fault response times, optimizing system behavior under various operating conditions.
• Programmable Slew Rate: Enables control over the rate of voltage change, minimizing inrush currents and reducing stress on system components.

These features collectively contribute to the MIC2591B-2BTQ's ability to manage hot plug operations efficiently and safely, making it an ideal choice for applications requiring high reliability and performance.

MIC2591B-2BTQ Applications

The MIC2591B-2BTQ is specifically designed for PCI Express® applications, where hot plug functionality is critical. Its ability to manage power sequencing and signal integrity during hot plug operations makes it suitable for a wide range of applications, including:

• Server Systems: Ensuring reliable and safe hot plug operations for server expansion cards and peripherals.
• Workstations: Providing robust hot plug capabilities for high-performance computing environments.
• Embedded Systems: Offering reliable power management for embedded systems requiring hot plug functionality.

The device's compatibility with PCI Express® standards and its comprehensive feature set make it an ideal solution for applications where system uptime and reliability are paramount.

Conclusion of MIC2591B-2BTQ

The MIC2591B-2BTQ, despite being marked as obsolete, remains a reliable and feature-rich hot plug controller for PCI Express® applications. Its robust set of features, including latched fault detection, SMBus interface, thermal limit protection, and programmable options, make it a standout choice for managing hot plug operations. While newer alternatives may be available, the MIC2591B-2BTQ continues to offer significant value for systems requiring high reliability and performance. For applications such as server systems, workstations, and embedded systems, the MIC2591B-2BTQ remains a viable option, ensuring safe and efficient hot plug operations.