BD5241FVE-TR

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PMIC stands for Power Management Integrated Circuit, which are a group of integrated circuits used to control the power supply voltage and current in electronic devices by providing dedicated tasks such as voltage regulation, power sequencing, over-voltage protection, current limitation, and more. Supervisors are a subgroup of PMICs serving an important role in micro-power system design. They play a significant role in assuring the reliability and safety of a system. The BD5241FVE-TR is a supervisor IC targeted at reducing system design size and cost. In this article, we will discuss the application field and working principle of the BD5241FVE-TR.

BD5241FVE-TR is a voltage supervisor designed for applications that require accurate voltage monitoring. It is ideal for situations where accurate voltage monitoring is required but space and cost are of concern. This IC is capable of resetting outputs controlled by a microcontroller and provides an over/under voltage detection circuit. This IC has a wide input voltage detection range of 2.2V - 4.0V, which allows it to detect small fluctuations in voltage and then control the power-on and power-off operations. Furthermore, it features an auto-reset function that helps to reboot the system when an unexpected power drop occurs.

The BD5241FVE-TR is suitable for applications such as automotive systems, digital audio/video products, wireless devices and IoT systems. It is also suitable for critical applications such as motors, robots, industrial automation, and medical equipment. The IC is available in a tiny package design and is pin-to-pin compatible with other voltage supervisors, making it an ideal choice for designs where space and cost are of concern.

The working principle of the BD5241FVE-TR is based on an internal voltage reference and a voltage divider circuit. This IC monitors the input voltage and compares it to the internal voltage reference. When the input voltage drops below the reference voltage, it outputs a signal to signify the power-on or power-off operation. It also activates the reset output when the input voltage is sustained beyond the pre-defined voltage level. The reset output can be used to reset microcontroller systems in the event of overvoltage faults.

In addition to voltage monitoring, this IC also features overcurrent protection. It has an external input that allows it to be connected to an external current sensor and activate the reset output when an overcurrent situation is detected. This capability is beneficial in situations where current flow is critical, such as motor drives and robotics applications.

The BD5241FVE-TR is a cost-effective, space-saving voltage supervisor IC that provides reliable voltage monitoring and overcurrent protection in a wide variety of applications. Its wide input voltage detection range and auto-reset function make it an ideal choice for systems that must remain operational even in potential power drop situations. It is a suitable choice for automotive systems, digital audio/video products, wireless devices and IoT systems, as well as for motor drives and robotics applications.

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