BD5328FVE-TR Integrated Circuits (ICs)

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PMIC - Supervisors, often referred to as system supervisors, are designed to protect low-level circuits such as computer and embedded applications from system damage due to external voltage disturbances. By monitoring various operating conditions that affect the system, they can reduce the risk to a minimum. One of the most commonly used system supervisors is the BD5328FVE-TR. This article will discuss the application field and working principle of this product in detail.

Application field of BD5328FVE-TR

The BD5328FVE-TR is a 3-channel voltage supervisor IC from Rohm Semiconductor. It contains two enable input pins and three output pins that are designed to monitor power-on reset and power good reset. This product is mainly suitable for system voltage reset shutdown control, such as general consumer products, mobile phones, air-conditioning control and automotive ECU products, etc. It is also applicable to communication interface management, wide dynamic range monitoring and cold start-up, reset and reset for the electronic device.

BD5328FVE-TR Working Principle

The working principle of the BD5328FVE-TR is quite simple. It works by continuously monitoring the voltage levels of two enable input pins, and when the voltage of either pin falls below a predefined safe value, the system is automatically reset. The two reset input pins are connected to the processor in such a way that when the safe voltage is reached by either pin, the processor is triggered to restart the system. Additionally, the BD5328FVE-TR has three outputs – Preset, Power Good and Reset Output. The Preset output is triggered when the voltage at the enable pins is below the preset voltage, while the Power Good output is triggered when the voltage is above the set voltage. The Reset Output is triggered when either the Preset or Power Good outputs are triggered.

The BD5328FVE-TR is also capable of detecting out of range voltage values. When this occurs, the reset/power-down output is triggered and the device stops functioning. This is designed to ensure that the system is not damaged due to external voltage dags or discrepancies.

Conclusion

The BD5328FVE-TR is a powerful system supervisor that is suitable for use in a variety of electronic devices. By continuously monitoring two enable input pins, it protects the system from external voltage disturbances and out of range voltage values. This product is able to provide a reliable, safe and efficient monitoring system for a wide range of applications such as consumer electronics, industrial automation, and automotive systems.

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