X40031S14IZ-B

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Power management integrated circuits (PMICs) are an important component of any electronic system\'s power supply network. They are responsible for ensuring the proper delivery and distribution of power to the electrical components of a system. One type of PMIC, known as supervisors, are responsible for monitoring the supply voltages and providing system relays, reset, and other low level control signals. The X40031S14IZ-B is a supervisor PMIC made by Infineon Technologies, and is used to provide power monitoring and control in a variety of applications.

Application field

The X40031S14IZ-B supervisor IC is typically used in electrical systems which require the monitoring of multiple power supplies. It offers a sophisticated and highly-integrated power management solution for applications such as LED drivers, LCD displays, set-top boxes, and other embedded systems. It is designed to offer robust power rail monitoring, power reset synchronization, a monitoring window, and a fast over voltage protection (OVP) to ensure robust operation and system-wide reliability.

For applications where efficiency and power savings are key considerations, the X40031S14IZ-B is a great choice. It ensures low quiescent current and low power consumption, while providing the accuracy and flexibility that is needed in power monitoring and control.

The X40031S14IZ-B is highly customizable, to fit the needs of each individual application. An integrated ROM can store application configuration parameters, and an SPI interface allows for the setting of multiple parameters. Additionally, the device provides four flexible analog comparator inputs for monitoring a wide variety of power supplies and supply rail conditions.

Working Principle

The X40031S14IZ-B supervisor IC is a modular digital power control device with an integrated energy management system. It is designed to provide system voltage and current monitoring, power reset synchronization, monitoring window, and fast over voltage protection (OVP). A Power Sense pin provides a reference voltage for the device to measure the system voltage. The device monitors the power state of the system, and provides accurate digital information about the system’s power status.

The X40031S14IZ-B includes two independent voltage supervisor and reset circuits. Each of these circuits can be used to monitor and reset the system power independently. The Voltage Monitor/Reset circuit can be configured to monitor multiple power rails, from 1.8 V to 5 V. The first Voltage Monitor/Reset circuit has two open-drain MOSFETs, and the second Voltage Monitor/Reset circuit is a 1.8 V voltage detector with a programmable enable timeout.

The X40031S14IZ-B also includes an integrated SPI interface for setting multiple configuration parameters, and an integrated temperature-compensated voltage reference for accurate monitoring of the system voltages. Additionally, the device can be configured to provide early warning of high temperatures, system voltage shocks and overvoltage conditions. This helps protect sensitive components and prolongs system lifetimes.

The X40031S14IZ-B provides an ideal power management solution for systems which require multiple voltage monitoring and fast over voltage protection. It has a robust design and is highly customizable, making it suitable for a wide variety of applications. With its low power consumption and sophisticated features, the X40031S14IZ-B is an excellent choice for power management and control.

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