X5083S8IZ-2.7

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Power management integrated circuits (PMICs) are distributed within the core components of electrical installations, providing specialised control of the power outputs. The X5083S8IZ-2.7 is a specific PMIC belonging to the Supervisors family boasting an array of features and capabilities for electronic components that rely on an external supply for power.

Definition

A supervisor is an integrated circuit that offers stable, safe and accurate power supply control, helping optimize the management of power across a broad range of systems. It integrates a number of functions such as delay control, fault latency detection and activity monitoring, in most cases surpassing the performance of discrete components.

Application Field

The X5083S8IZ-2.7 is designed for applications such as point of load converters, voltage regulation, battery management, electrical vehicle chargers, AICs, and lighting applications. Its main purpose is to provide protection against external system failure and allow graceful, safe shutdown when needed.

Features and Benefits

The X5083S8IZ-2.7 offers a significant number of features, second to none in class.

It offers two integrated, matched resistor dividers to sense input voltage on two separated channels, and a fast-acting POR circuit for system reset. It also has a brown-out circuit and an integrated power-on reset, thus providing a save and stress free power-on reset to a system.

The chip is capable of outputing a PGOOD signal that indicates whether or not the monitored power inputs are within preload conditions. It provides soft-start support for voltage and current monitoring, dynamic load control, and current limit and under voltage limit.

It also offers dynamic over temperature protection and user-programmable status flags, allowing the use of a wide range of fault condition detection levels to fit almost any system.

Working Principle

The X5083S8IZ-2.7 utilizes two separated voltage channels with on chip voltage dividers to sense the system voltage. These two channels provide feedback signals to the PD (Power Detection) input. Depending on the feedback signals, the pins are set to a PD open drain output pin.

The chip also offers two separate power-on reset control sections that control external POR signal. Having an internal POR circuit, the chip also offers a “power good signal” that informs to the processor whether or not the monitored power inputs are within pre-defined conditions.

Additionally, the X5083S8IZ-2.7 features an OVP/OCP circuit which can initiate an immediate power-down under certain conditions. Under voltage protection functions also provide optimal protection against external system failure and allow safe system shutdown.

The chip also has a dynamic over-temperature protection circuit that is enabled when the external temperature sensor is deployed. This helps the system maintain temperature stability, keeping the components from over-heating. Similarly, the chip also has a Brown Out Reset (BOR) circuit that can detect lower than normal voltages.

Conclusion

The X5083S8IZ-2.7 is a powerful component that can be used for a variety of electronic applications. Its features and capabilities provide safe, reliable and efficient power management in an array of systems. By understanding the device’s application field and working principle, users can take full advantage of it.

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