MIC2566-1YM

Overview

The MIC2566-1YM is a single-slot PC Card and CardBus power controller designed for VCC and VPP power switching. It operates with a flexible input voltage range of 2.7V to 5.5V, supporting both 3.3V and 5V PCMCIA slot requirements. The device features two independent outputs with a 1:1 current transfer ratio and includes built-in current limiting capabilities. It functions as a high-side power switch matrix within an SOIC-8 package, ensuring reliable power management for portable computing applications.

Feature Summary

• Provides integrated VCC and VPP power switching for single-slot PC Card and CardBus interfaces
• Features dual independent outputs with configurable current limiting protection
• Supports standard 3.3V and 5V logic levels for broad compatibility

Applications

• PC Card (PCMCIA) slot power distribution systems
• CardBus peripheral interface power control
• Portable computer motherboard power management circuits

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure the component matches the required operating temperature range and electrical ratings for your specific design implementation before finalizing procurement orders.

Selection Notes

Select this component when designing for single-slot PCMCIA or CardBus architectures requiring dedicated VCC and VPP regulation. Consider its current limiting thresholds and turn-on timing characteristics relative to the connected peripheral load requirements to ensure stable system operation.

Part Context

This part belongs to Microchip's specialized power management portfolio targeting legacy and industrial PC expansion slots. It serves as a critical interface component between the host system bus and peripheral cards, managing power sequencing and fault protection in compact electronic devices.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic USB switches or multi-channel power ICs may not provide the specific VCC/VPP matrix functionality required for PCMCIA compliance.

FAQ

What is the maximum input voltage supported by the MIC2566-1YM?

The device supports a maximum input voltage of 5.5V, allowing it to handle both 3.3V and 5V supply rails.

How many output channels does the MIC2566-1YM provide?

It provides two independent output channels configured for VCC and VPP power switching.