BD5238FVE-TR

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PMIC supervisors are integrated circuits that monitor and control power for various sorts of regulated systems, usually including a cpu. The central function of supervisors is to guarantee that the power system of the electronic device operates efficiently. An extremely important factor in making certain the safety, reliability and longevity of any application is utilizing a dependable supervisor like the BD5238FVE-TR.

The BD5238FVE-TR is a voltage supervisor IC produced by Panasonic. This integrated circuit was designed to fit a wide variety of applications, from consumer electronics to industrial machinery, to automotive. It is a cost-effective yet efficient supervisor solution that provides high accuracy and low power consumption. Moreover, its very simple layout makes it easy to implement and very stable in operation.

This power manager is a single-channel voltage monitor with internal voltage scale reference, internal power-on reset and watchdog timeout functions. It features external system reset and power-on reset with adjustable watch-dog timer delay and only needs 4.5V or higher supply voltage. BD5238FVE-TR is capable of detecting 0.8V~3.3V voltage and provides the filtered output to reset a microcontroller or processor. It can provide up to 420mA minimum drive power. Other features provided by this supervisor are an open-drain output to allow for easy implementation of reset functions and overvoltage lockout inhibit for extra power protection.

The working principle of the BD5238FVE-TR is very simple. When power to the system is initialised, the input voltage is monitored. If the voltage is below 0.8V, the output is immediately asserted low. It will remain low until the voltage is restored to its normal level. During this time, the watchdog timer is reset periodically to prevent the output from going low again. If the voltage is higher than 3.3V, the output is blocked and the system will remain in a safe state to prevent overvoltage damage.

The BD5238FVE-TR is ideal for applications requiring high accuracy voltage monitoring. It is highly durable and efficient, making it a great choice for reliable system supervisors. This device can be used for a variety of applications, such as system reset, processor reset, power management, power on reset and more. It provides a cost-effective yet reliable solution for voltage monitoring, making it an excellent choice for projects of any size.

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