S-1003NA22I-I6T1U

Series:	S-1003
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	2.2V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Flat Leads
Supplier Device Package:	SNT-6A

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Introduction to S-1003NA22I-I6T1U PMIC - Supervisors

Power management integrated circuits (PMICs) are essential components in a broad range of electronic devices, from smartphones and tablets to large industrial systems. PMICs provide a comprehensive suite of power conversion, management, regulation and monitoring capabilities, allowing for efficient operation, improved device performance and extended power system lifetimes. PMIC - supervisors are an important type of PMIC that supervise various signals in an electronic system and provide protection against power faults, overcurrent and other risks. In this article, we will discuss the application fields and working principles of the S-1003NA22I-I6T1U PMIC - supervisor.

Application Fields and Capabilities of S-1003NA22I-I6T1U PMIC - Supervisors

The S-1003NA22I-I6T1U PMIC - supervisor is designed for use in low power and space-constrained applications and provides advanced power management capabilities in a single package. It is primarily used for monitoring, controlling and/or regulating power supplies. This PMIC specifically provides a high degree of flexibility and scalability in application fields, including industrial and professional applications, telecommunication systems, test and measurement equipment, and medical and portable devices.The S-1003NA22I-I6T1U’s capabilities include advanced voltage tracking and sequencing, short circuit protection, internal voltage clamping and monitoring, status reporting, line drop compensating, and external input sense relays. The device’s operating temperature range is -40°C to +125°C, making it suitable for wide variety of electronic applications.

Overview of Working Principle

The core of S-1003NA22I-I6T1U PMIC - supervisor is a voltage-mode power regulator, which operates by continually comparing input voltage to a reference voltage and then sending a signal to the power source to regulate the output voltage. This process occurs continuously, enabling the PMIC - supervisor to regulate both positive and negative input voltages.The device features a voltage select circuit, which determines the output voltage of the power regulator. The user can select from a range of fixed voltages or can adjust the voltage to a desired level. This feature allows for greater flexibility and scalability in applications that require different output voltage settings based on performance requirements.For short circuit protection, the device contains a power FET with integrated current fold-back protection. This device detects when the output current is greater than the set threshold and opens the FET to reduce current draw and limit the maximum output current.The S-1003NA22I-I6T1U also features a line drop compensator, a sophisticated system which compensates for voltage drop across an output line caused by AC ripple or capacitive loading. The line drop compensator works by detecting the change in line voltage and compensates for that change by adjusting the output voltage. In addition, the regulator utilizes a replenishment circuit for reducing total power loss due to the on-resistance of the control FET.

Conclusion

The S-1003NA22I-I6T1U PMIC - supervisor is a versatile power management solution for a wide range of applications, from industrial and professional applications to medical and portable devices. It provides advanced features such as voltage tracking and sequencing, short circuit protection, line drop compensating, and internal voltage clamping and monitoring. The device’s operating temperature range makes it suitable for a variety of applications. The device utilizes a voltage-mode regulator that continually compares the input voltage to a reference voltage and sends a signal to the power source to regulate the output voltage. The voltage select circuit determines the output voltage, allowing for greater flexibility and scalability. For short circuit protection, the device contains a power FET with integrated current fold-back protection. The regulator also utilizes a replenishment circuit to reduce total power loss due to the on-resistance of the control FET.

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