ADM811SARTZ-REEL7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-253-4, TO-253AA
Supplier Device Package:	SOT-143-4
Base Part Number:	ADM811

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Introduction

The ADM811SARTZ-REEL7 is a low-cost supervisor IC packed in a compact 8-lead SOIC package. With its easy-to-use initial configuration, reliable backup supply and user-selectable reset thresholds, the ADM811SARTZ-REEL7 is the perfect choice for applications ranging from battery-backed systems to PC motherboards. It is a power management IC (PMIC) that falls under the category of Supervisors.

architecture and design

The ADM811SARTZ-REEL7 is made up of two main components – the watchdog timer and the reset generator circuit. The watchdog timer monitors the system for any unexpected behaviors. When it detects a fault, it periodically resets the system to restore normal operation. The reset generator circuit provides the reset signal to reset the system when the watchdog timer has expired.The ADM811SARTZ-REEL7 is designed with a low-power CMOS logic and low quiescent current standby mode. It also has two independent watchdog timer outputs that can be configured according to user needs. In addition, it can accept up to three reset inputs that can be used to trigger a reset in case of a fault. On the output side, the ADM811SARTZ-REEL7 provides an active-low reset pulse to reset the application. It can also provide a watchdog timer output that can be used to reset any on-board devices if necessary.Another important feature of the ADM811SARTZ-REEL7 is the adjustable reset threshold. This feature allows the user to set the reset threshold to a specific voltage level. This ensures that the reset is triggered at the correct voltage, no matter what the voltage level is at the time of reset.

Application fields and use cases

The ADM811SARTZ-REEL7 is mainly used for battery-backed systems, PC motherboards and industrial systems. Its low power consumption and adjustable reset threshold make it suitable for these applications. In battery-backed systems, the ADM811SARTZ-REEL7 can be used to detect any unexpected behaviors and reset the system. This ensures that the system stays operational despite any problems that may arise.In PC motherboards, the ADM811SARTZ-REEL7 provides a reliable reset signal to reset the entire PC system if necessary. Its adjustable reset threshold allows it to be used in systems that may have various voltage levels.The ADM811SARTZ-REEL7 can also be used in industrial systems. Its watchdog timer can detect faults and reset the system automatically. Its active-low reset pulse means that it can be used with a variety of industrial devices and systems.

Working Principle

The ADM811SARTZ-REEL7 works by monitoring the system for any unexpected behaviors. When it detects a fault, it sends a reset signal to reset the system. This ensures that the system is restored to its normal operating state.The reset threshold can be adjusted according to the user’s needs. This ensures that the reset is triggered at the correct voltage, no matter what the voltage level is at the time of reset.The watchdog timer output is used to reset any on-board devices if necessary. This ensures that no unwanted behavior can result due to a fault in any of the on-board devices.

Conclusion

The ADM811SARTZ-REEL7 is a versatile, low-cost supervisor IC packed in a compact 8-lead SOIC package. It falls under the category of Supervisors in the Power Management ICs (PMICs). It is mainly used for battery-backed systems, PC motherboards and industrial systems. Its watchdog timer monitors the system for any unexpected behavior and resets the system if necessary. Its adjustable reset threshold ensures that the reset is triggered at the correct voltage. Its active-low reset pulse allows it to be used with a variety of industrial devices and systems.

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