MIC1232M

Series:	--
Packaging:	Tube
Part Status:	Discontinued at Digi-Key
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	250 ms Minimum
Voltage - Threshold:	4.37V, 4.62V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MIC1232

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Introduction to MIC1232M:

The MIC1232M is a power management interface circuit (PMIC) used to monitor and control computer systems, often described as a supervisor device. It is a small component, comprised of only 6 pins, yet provides considerable functionality. It can detect faults in the power supply and can even control the system power-on sequence by resetting or shut down the system components in order to protect them from damage.

Applications:

The MIC1232M is primarily used for system power management and fault detection in embedded systems. It is often used in applications such as personal computers, self-diagnostic systems, programmable controllers, and embedded controllers for automotive and industrial systems. Additionally, because of its low power consumption, it can also be utilized in portable and battery-powered applications.

Working Principle:

The MIC1232M operates by monitoring the power supply and performing a reset or shutdown when a certain fault is detected. It features four digital input pins (TTL compatible), two output pins (active-low with internal pull-up resistors), and two open-/short-detection terminals (GND and VDD). The two open-/short-detection pins are used to detect faults in the power supply and enable the MIC1232M to accurately output a reset signal. The four digital input pins enable the MIC1232M to detect conditions such as low battery, high or low temperature, or the presence of a battery charger detector. The MIC1232M contains a watchdog timer (WDT) which triggers a system reset whenever the timer does not receive a signal from the system to reset it. If a fault is detected, the MIC1232M will interpret this as being equivalent to no signal from the system and cause a system reset. The MIC1232M will also use the four digital inputs to interpret faults such as an over- or undervoltage supply, as well as to interpret signals from a battery charger detector.

Conclusion:

The MIC1232M is an essential component wiring in embedded systems, providing effective power management and fault detection. Its low power consumption, wide range of applications and integrated watchdog timer make it an ideal choice for system power management in a variety of settings. With its robust capabilities, the MIC1232M provides optimal protection of your system\'s functionality and reliability.

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