MIC2779H-2BM5

Supervisors Overview

The MIC2779H-2BM5 is a dual-channel voltage supervisory circuit manufactured by Microchip Technology, housed in a 5-pin SOT-23 package. It features adjustable hysteresis and an active-high push-pull output. The device monitors two independent voltage thresholds with high accuracy, typically 2%. It includes a delay generator to prevent false resets during power-up or transient events. The operational temperature range extends from -40°C to +85°C, making it suitable for portable digital systems.

Supervisors Feature Summary

• Dual-channel voltage monitoring with adjustable hysteresis
• Active-high push-pull output configuration
• Integrated delay generator for reset stability
• High accuracy threshold detection

Supervisors Applications

• Battery supply monitoring in portable digital systems
• PDA power management circuits
• Cellular telephone voltage supervision
• Pager power integrity verification

Supervisors Procurement Notes

Verify the manufacturer designation carefully, as the part is produced by Microchip Technology despite historical brand associations. Confirm the specific suffix 'BM5' indicates the correct package and pinout variant. Ensure compatibility with system voltage requirements before procurement. Check for RoHS compliance status if required by assembly standards. Validate lead times due to potential long delivery periods reported for this component family.

Supervisors Selection Notes

Select this component when dual independent voltage monitoring is required in a compact surface-mount package. The adjustable hysteresis feature allows customization of noise immunity levels. The active-high output simplifies logic interfacing with microcontrollers. Consider the SOT-23-5 footprint constraints during PCB layout. Verify that the manual reset input capability meets system design needs for forced initialization.

Supervisors Part Context

This component belongs to the MIC2779 series of voltage supervisors designed specifically for battery-powered applications. It integrates precision comparators with a delay timer to ensure reliable system reset behavior. The series is optimized for low-power portable devices where space and energy efficiency are critical. It serves as a critical protection element against brown-out conditions.

Supervisors Replacement Considerations

MIC2779H-1YM5-TR is listed as a parameter-equivalent substitute. MIC2779H-2YM5-TR is also identified as a parameter-equivalent alternative. Verify pin compatibility and electrical specifications before substitution. Note that some variants may have different availability statuses.