APX803S05-44SR-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	4.38V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction

PMIC (power management ICs) are integrated circuits that provide various features related to the management of power and power sources for various electronic systems. PMICs are used to manage the power in all kinds of systems, from the simplest consumer electronic devices to the most advanced industrial applications.The APX803S05-44SR-7 is a PMIC supervisor specifically designed for applications that require reliable and precise monitoring of voltage levels. It provides protection against over and under voltage on supply rails and also output voltage, which can be connected to loads. This PMIC facilitates communication interface with an external processor, which makes it suitable for use in advanced applications.

Features

The APX803S05-44SR-7 offers several features suitable for power management applications:

• Wide input voltage range: 3.3V to 5.5V
• High current capability: up to 60mA
• High accuracy and precise reference voltage accuracy: ~1.5%
• Programmable thresholds for overvoltage/undervoltage protection; and
• Built-in delay for power on/off sequence.

In addition to these features, the APX803S05-44SR-7 also has the ability to detect reversed polarity, a common cause of system failure.

Application Field and Working Principle

The APX803S05-44SR-7 is suitable for a wide range of power management applications, primarily related to the protection of system components. In particular, it is often used in battery-powered systems, such as laptops and mobile phones, to ensure that the battery voltage never exceeds a predetermined value.The APX803S05-44SR-7 works by monitoring the voltage on its input and output terminals. When the voltage on the input terminal exceeds the overvoltage threshold (OVT), or undervoltage threshold (UVT), the PMIC outputs a signal that triggers an action such as shutting down the system components or disabling further current flow. Conversely, when the output voltage exceeds the overvoltage or undervoltage thresholds, the PMIC is also capable of shutting down the system or inhibiting further current flow.

Conclusion

The APX803S05-44SR-7 is a PMIC supervisor designed to provide reliable and precise monitoring of voltage levels in power management applications. Its wide input voltage range and high current capability make it suitable for many systems, and its programmable thresholds provide protection against overvoltage/undervoltage conditions. In addition, its reversed polarity protection helps prevent system failures. The APX803S05-44SR-7 is an ideal choice for systems requiring highly accurate power management systems.

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