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MPQ6400 - Low Quiescent Current Programmable-Delay Voltage Supervisor

General Description

The MPQ6400 is a microprocessor (µP) supervisory circuit which can monitor and provide a reset function for system voltages from 0.4V.

manual reset (MR ) is pulled to a logic low, the RESET signal will be asserted.

Key Features

  • a precision reference to achieve ±1% threshold accuracy. The reset delay time is set by an external capacitor connected between CDELAY and GND, allowing the user to select any delay time between 2.1ms and 10s. The 380ms delay time is set by connecting the CDELAY pin to VCC. The 24ms delay time is set by floating the CDELAY pin. The MPQ6400 is available in QFN-6 (2mmx2mm) and TSOT23-6 packages.

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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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MPQ6400 Low Quiescent Current Programmable-Delay Voltage Supervisor AEC-Q100 Qualified DESCRIPTION The MPQ6400 is a microprocessor (µP) supervisory circuit which can monitor and provide a reset function for system voltages from 0.4V. When either the SENSE voltage falls below its threshold (VIT) or the voltage of manual reset (MR ) is pulled to a logic low, the RESET signal will be asserted. Fixed voltage threshold options set by the factory are available for standard voltage rails between 0.9V and 5V, while the MPQ6400DG(J)-01 allows for an adjustable voltage threshold with an external resistor divider. When the SENSE voltage and MR exceed their respective thresholds, RESET is pulled up to logic high after a user-programmable delay time. The MPQ6400 has a very low quiescent current of 1.