BD5329FVE-TR Integrated Circuits (ICs)

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Power management integrated circuits, or PMICs, are commonly used in modern electronic products due to their ability to efficiently manage power, and they offer numerous advantages in battery applications. One of the most versatile and popular PMICs is the BD5329FVE-TR, which is manufactured by Ricoh. This device is a supervisor IC, meaning it is designed to help regulate and protect the power supply of an electronic device. In this article, we’ll explore the BD5329FVE-TR’s application field, as well as its operating principles and features.

Application Field

The BD5329FVE-TR is designed for use in a variety of applications, ranging from automotive to industrial and consumer electronics. It is particularly well-suited for use in systems that are powered by single-cell and multi-cell batteries, as it provides precise current and voltage monitoring to help ensure the system remains operational. It can also be used in portable devices to provide system power protection when full power-down is not possible. In addition, it can help regulate the backup power supply in a laptop or other computer system to provide system protection.

Working Principle

At the heart of the BD5329FVE-TR is a band gap reference circuit that provides precision voltage and current monitoring. The circuit features two input ports, a high-side and a low-side, which measure the voltage and current of the system that the BD5329FVE-TR is connected to. When the voltage or current falls outside of the preset range, the band gap reference circuit sends an alert signal to notify the system of the issue. The alert signal can then be used to take corrective action to prevent the system from going into an unsafe state.

The BD5329FVE-TR also features a wide range of power protection and system management functions. These include over-voltage protection, over-temperature protection, power supply sequencing, and reset/watchdog functionality. It is this combination of features that makes the BD5329FVE-TR so popular for a wide range of applications.

Features

The BD5329FVE-TR provides a variety of features that make it well-suited for use in a wide range of applications. It has an operating voltage range of 3.3V to 6.2V, which means it can be used with most common single-cell and multi-cell battery systems. It also features a standby current of only 0.2 μA, which helps reduce power consumption and extend battery life. Additionally, it features an extended temperature range of -40°C to +125°C, which makes it suitable for use in a variety of extreme conditions.

The BD5329FVE-TR also offers several safety and system management functions. Its over-voltage and over-temperature protection functions help ensure that the system remains operational in abnormal conditions. It also features power supply sequencing and reset/watchdog functions that can be used to reset the system in the event of a malfunction. Finally, it provides several options for control and monitoring, including synchronous and asynchronous reset outputs, a watchdog output, and status outputs.

Conclusion

The BD5329FVE-TR is a versatile and highly-demanded supervisor IC that is designed for use in a variety of applications. It features a wide range of features, including a band gap reference circuit, over-voltage and over-temperature protection, power supply sequencing and reset/watchdog functions, and multiple control and monitoring options. It is this combination of features and functions that makes it so popular in a wide range of applications.

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