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MIC2755 - Battery System Supervisor Preliminary Information

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.

The MIC2755 detects three different battery states: battery OK, low battery, and dead battery.

Key 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 a.

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Datasheet Details

Part number MIC2755
Manufacturer Micrel Semiconductor
File Size 79.60 KB
Description Battery System Supervisor Preliminary Information
Datasheet download datasheet MIC2755 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MIC2755 Micrel MIC2755 Battery System Supervisor Preliminary Information 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. The MIC2755 detects three different battery states: battery OK, low battery, and dead battery. The reset (/RST) output is asserted for at least 700ms when a fresh battery is inserted. The nonmaskable interrupt output (/NMI) is asserted when the battery voltage is below the NTH threshold, indicating that high-power system operations should not occur.