S-1003CA21I-M5T1U

Series:	S-1003
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	2.1V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5

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Introduction

The S-1003CA21I-M5T1U is a PMIC, or power management integrated circuit, supervisor for monitoring system power rails and critical power fault conditions. This device is based on advanced microcontroller unit (MCU) technologies and is designed to provide advanced features to battery-powered and other applications.The S-1003CA21I-M5T1U provides reliable overvoltage and undervoltage protection, input/output (I/O) port monitoring, thermal management, and general system diagnostics, in addition to other key power management functions. This device is used in a wide range of battery- and AC-powered applications and is suitable for use in both low- and high-voltage systems.

Application Field and Working Principle

The S-1003CA21I-M5T1U is designed primarily for battery powered applications, providing superior protection from over- and under-voltage conditions. Applications such as router, mobile device, and IoT nodes will benefit from the improved over- and under-voltage protection provided by this PMIC.The working principle of this PMIC is to operate within the power supply range and prevent damage to the system due to over or under-voltage. The S-1003CA21I-M5T1U is capable of monitoring DC and AC power sources, and will issue warnings when the voltage exceeds its specified limits. An internal voltage divider circuit separates the power rail inputs, to provide an accurate voltage reading. This device is also capable of detecting and reporting current faults, and can be configured to trigger an interrupt signal upon fault detection. This can be used to signal the host microcontroller to take protective action against a power fault. An internal switching regulator allows the S-1003CA21I-M5T1U to regulate the voltage of the power rail input while also providing additional current protection. For thermal protection of the system, the S-1003CA21I-M5T1U can be configured to automatically reduce or shut off the power supply for a period of time, or until the temperature is stabilized.The S-1003CA21I-M5T1U can also be configured for use in AC power sources, and provides enhanced accuracy for measuring AC voltages. The device is capable of handling up to 12V AC input, and provides ±10V output accuracy. The integrated voltage/current fault monitor is also configurable for sensing AC faults and can trigger an interrupt signal if an abnormal power fault is detected.The S-1003CA21I-M5T1U is a complete power management supervisor and is suitable for use in a wide range of applications. The device is capable of monitoring both DC and AC power rails and offers superior protection against over- and under-voltage conditions. Its integrated voltage/current fault monitor is configurable for fault detection and can issue an interrupt signal upon detection of an abnormal power fault. The device also offers thermal protection, ensuring system operation remains stable even in extreme temperatures.

Conclusion

The S-1003CA21I-M5T1U is a PMIC supervisor designed for use in battery- and AC-powered applications. This device provides reliable over- and under-voltage protection, input/output port monitoring, thermal management, and general system diagnostics. It offers superior protection from power fault conditions and can be configured for use in both DC and AC power sources. With its advanced features and superior protection, the S-1003CA21I-M5T1U is an ideal choice for powering a wide range of applications.

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