X40021S14I-CT1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	1.6V, 2.9V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Base Part Number:	X40021

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Introduction

Power Management Integrated Circuit (PMIC) is an important component in embedded systems, especially in low power systems. They are used to manage energy efficiently and reduce the power consumption of a system. There are many types of PMICs available on the market, including supervisors, voltage regulators, power converters, and protection systems.One of the most popular PMICs is the X40021S14I-CT1. It is a supervisor IC that provides robust protection against over-voltage/under-voltage, reverse-charge current, and out-of-regulation voltage. The X40021S14I-CT1 offers low-power operation, high noise immunity, and flexible software programming. This makes it an ideal solution for a wide range of embedded applications.

Application Fields

The X40021S14I-CT1 is primarily designed for battery powered devices. It can be used to monitor the state of a rechargeable battery and prevent over-charge, over-discharge, and short-circuit faults. Additionally, the X40021S14I-CT1 can be used to protect devices against out-of-regulation voltage levels, reverse-charge current, and other potential faults.The supervisor IC is also ideal for embedded systems with high EMC requirements, such as communications and automotive applications. The device can be programmed to provide electronic shutdown or system retention in the event of an over-voltage or under-voltage fault. This ensures that the system continues to run properly and does not suffer from any data losses or other operational issues.

Working Principle

The X40021S14I-CT1 monitors the voltage level of a battery or input power supply. If the voltage level falls outside the programmed range, the supervisor will trigger an electronic shutdown or system retention operation. The shutdown process can be configured as a delayed response or an immediate system shutdown.The X40021S14I-CT1 also provides transient protection against over-voltage, under-voltage, reverse-current, and out-of-regulation voltage levels. This protects the system from damage in the event of an over-voltage event or other sudden changes in the power supply.

Conclusion

The X40021S14I-CT1 is an ideal solution for embedded systems that require robust protection and low power operation. The supervisor IC provides comprehensive voltage detection, protection, and control, making it the perfect addition to any battery-powered device or system with high EMC requirements. The device is easy to configure and provides flexible programming options, ensuring that the system remains protected under all conditions.

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