General Description

The MIC2755 is composed of multiple comparators, a reset pulse generator, and logic. It is designed for monitoring the battery supply of portable digital systems, including PDAs and pagers.

Features

• Optimized for PDAs, pagers and other hand-held devices.

• Detects multiple battery states:

- battery OK

- low battery

- dead battery

• Adjustable voltage thresholds

• High accuracy ±2 voltage thresholds

• Reset generation at power-on (700ms min.)

• Debounced manual reset function

• Internal logic prevents chatter if battery voltage fluctuates

• Extremely low 2µA typical supply current

• I/Os can be pulled above VDD (7V absolute maximum)

• Immune to brief power supply transients

• Low cost

• 8-pin MSOP