CAT1021LI42

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active High/Active Low
Reset Timeout:	130 ms Minimum
Voltage - Threshold:	4.25V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-PDIP

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Introduction

PMIC (Power Management Integrated Circuit) supervisors is a type of power management and control unit specially designed to control voltage and power signals , such as CAT1021LI42. It provides wide range of signals for energy management control, distribution, power regulation and system protection. The CAT1021LI42 is a programmable high-efficiency voltage supervisor OTP (One Time Programmable) IC, providing excellent accuracy and reliability for system power management applications.

Application Fields

The CAT1021LI42 is suitable for a wide variety of applications in various fields including networking, Data processing, Telecommunication, Industrial control and Consumer electronics.

• Networking: the CAT1021LI42 is the ideal choice for small form-factor devices with low current requirements and the need for multiple voltage regulation like routers, switches and HUBs.
• Data Processing: the CAT1021LI42 is suitable for use in computers, data storage, high density multicore processors and other high-performance digital applications that require multiple voltage regulation.
• Telecommunication: with its high efficiency and accuracy, the CAT1021LI42 is well-suited for use in mobile phones, PDAs, Voice over IP and other communication devices that require several voltage regulation.
• Industrial Control: the CAT1021LI42 has been specially designed for applications in PLCs,HMI, industrial control, robotic and factory automation systems, due to its wide temperature range, excellent accuracy, long-term reliability and low quiescent current consumption.
• Consumer Electronics: the CAT1021LI42 also provides reliable and efficient performance for home entertainment systems, security systems and other consumer electronics with their need for regulated voltage.

Working Principle

The CAT1021LI42 is a supervisor IC designed to detect, monitor and control the application\'s power supply. It uses a voltage supervisor OTP (One Time Programmable) to accurately monitor and control the voltage level during operation and prevent over and under voltage conditions. The device allows up to eight separate voltages to be monitored and user selectable thresholds can be programmed.The CAT1021LI42 also features programmable time delays to prevent false alarms due to voltage surges, undervoltage and overvoltage protection and low power consumption. In addition, it includes an 8-bit shift-register for easy configuration and an open drain, active low reset signal output.The CAT1021LI42 operates from 3V to 16V and can set thresholds from 1.25V to 15.5V, so it is suitable for a wide range of applications in various fields. The device also features adjustable voltage hysteresis to ensure accurate voltage monitoring and high accuracy, reliable performance even in the presence of noise.

Conclusion

The CAT1021LI42 is a high-efficiency voltage supervisor OTP (One Time Programmable) IC that provides excellent accuracy and reliability for system power management applications. It is suitable for a wide variety of applications in various fields, including networking, Data processing, Telecommunication, Industrial control and Consumer electronics. The CAT1021LI42 provides wide range of signals for voltage and power control, protection and monitoring. It has an 8-bit shift-register and a programmable OTP for accurate voltage levels, adjustable hysteresis, adjustable time delays and low power consumption. The CAT1021LI42 is the ideal choice for small form-factor devices with low current requirements and the need for multiple voltage regulation.

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