BD4923FVE-TR

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PMIC (Power Management Integrated Circuit) is a type of integrated circuit that provides better power management for a wide range of applications. In particular, PMIC Supervisors are specialized components that are specifically designed to help maintain stable, reliable power on a device. The BD4923FVE-TR is a PMIC Supervisor IC from ROHM Semiconductor, specially designed for automotive and industrial applications.

BD4923FVE-TR consists two over voltage detection blocks and two over current detection blocks. Each detection block consists of an independent detection comparator, programmable response levels, and an output transistor. The over voltage blocks detect an output voltage above the preset thresholds and automatically shut off the power devices at the outputs until the power falls below the programmable thresholds. Similarly, the over current blocks temporarily shut down the outputs when the currents exceed the preset levels.

The BD4923FVE-TR is additionally capable of providing the users with programmable delays of the start up and protection functions. The protection time is programmable via the “ON_Delay_Time” and “OFF_Delay_Time” parameters, and it can also detect the output voltage and current conditions simultaneously. This can effectively help prevent instant turn on and turn off of the loads, in order to increase their life expectancy.

Apart from the basic over voltage and over current protection, the BD4923FVE-TR also offers a wide range of safety features, such as Current Limiter, Thermal Shutdown, Over Temperature Protection and Internal Leakage Detection. All these protective functions are configured and programmed via the internal non-volatile memory. Additionally, the built-in internal temperature sensor helps the protection functions to gauge the temperature conditions accurately, during the operation.

The BD4923FVE-TR is also equipped with a wide range of communication interfaces & configurations. It supports multiple analog & PWM signals, along with the built-in I²C and SPI digital control pins. This ensures a high degree of flexibility for the user, and it can be used as a component in multiple applications. Furthermore, the BD4923FVE-TR also supports high levels of redundancy and reliability, so that the system functions remain unaffected in case of any component failure or malfunction.

In conclusion, the BD4923FVE-TR power management integrated circuit from ROHM Semiconductor is a highly capable PMIC Supervisor interface, specially designed for automotive and industrial applications. It offers highly reliable over voltage and over current protection functions, along with multiple built-in safety features & communication interfaces for optimum user friendliness. Furthermore, its intuitive control logic ensures that the load outputs remain stable even in case of a critical system failure. The BD4923FVE-TR is an easy to use, cost-effective and reliable tool for achieving power management in multiple industrial and automotive applications.

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