MIC2772-L3L3YML-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.63V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-VFDFN Exposed Pad, 8-MLF®
Supplier Device Package:	8-MLF® (2x2)
Base Part Number:	MIC2772

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Introduction

The MIC2772-L3L3YML-TR is an ultra low-power, highly integrated system level supervisor or power management chip (PMIC). It features a programmable reset system designed to identify and correct problems in designs including single cell primary power supplies, microcontroller-based systems and multi-cell battery/supercaps based systems. The MIC2772-L3L3YML-TR has several features that make it well suited for a variety of applications including handheld devices, system monitoring and prototyping tools.

Features

The MIC2772-L3L3YML-TR offers many features that make it an ideal solution for many different applications. The reset system includes three programmable outputs that can be configured to reset the system at the desired voltage level. The MIC2772-L3L3YML-TR also includes watchdog timers, power-on reset, manual reset and brownout detector with hysteresis. The MIC2772-L3L3YML-TR also includes an adjustable voltage supervisor with delay and an adjustable reset window. This ensures reliable reset operations, even during power transients or when the input voltage drops. The supervisor also features small propagation delay, which allows for faster response to voltage changes.The built-in voltage regulator allows for easy implementation and helps to reduce board area and cost. The regulator can be configured to provide output voltages from 0.6V up to 5V with output accuracy of ±0.6%.

Application Field and Working Principle

The MIC2772-L3L3YML-TR is a highly integrated system level supervisor PMIC and can be used in various applications, such as system monitoring, prototyping tools and hand-held devices. Its features make it especially suitable for multi-cell battery/super caps based systems and microcontroller-based systems. The working principle of the MIC2772-L3L3YML-TR is based on reset system. It has three programmable outputs that can be configured to reset the system at the desired voltage level. This ensures reliable reset operation, even during power transients or when the input voltage drops.The adjustable reset window and adjustable voltage supervisor with delay helps to monitor the system and reset it if necessary. The voltage regulator built-in to the chip also allows for easy implementation, reducing boards space and cost.The MIC2772-L3L3YML-TR also includes protection against brownouts and watchdog timer which can be programmed to detect and reset the system in case of processor lockups.

Conclusion

The MIC2772-L3L3YML-TR is an ultra low-power, highly integrated system level supervisor or PMIC. It is suitable for a variety of applications such as handheld devices, system monitoring and prototyping tools.The chip includes programmable outputs, adjustable reset window, adjustable voltage supervisor, voltage regulator, and watchdog timer. These features make it highly reliable and suitable for multi-cell battery/super caps based systems, microcontroller-based systems and single cell primary power supplies. It is cost effective and easy to implement, reducing board area and cost.

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