The LTC®2952 is a power management device that features three main functions: pushbutton on/off control of system power, ideal diode PowerPath controllers and system monitoring. The LTC2952’s pushbutton input, which provides on/off control of system power, has independently adjustable ON and OFF debounce times. A simple microprocessor interface involving an interrupt signal allows for proper system housekeeping prior to power-down.
FEATURES
Pushbutton On/Off Control
Automatic Low Loss Switchover Between DC Sources
Wide Operating Voltage Range: 2.7V to 28V
Low 25μA Shutdown Current
Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature
Adjustable Pushbutton On/Off Timers
Simple Interface Allows Graceful μP Shutdown
Extendable Housekeeping Wait Time Prior to Shutdown