BD49E30G-TR Integrated Circuits (ICs)

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BD49E30G-TR Application Field and Working Principle

The BD49E30G-TR is a general-purpose PMIC (Power Management IC), especially in the Supervisor category, that offers a wide range of features for designers to choose from for their projects. It is also a low-cost way to manage power in many types of devices, from microcontrollers to digital cameras and more. The BD49E30G-TR is suitable for use in automotive, industrial, and medical applications. This article will discuss the application field and working principle of the BD49E30G-TR.

Features

The BD49E30G-TR offers many features that make it attractive to designers. The LDO (Low Dropout) is adjustable from 0.7V to 6.0V, meaning designers can easily control the voltage supplied to the circuit. The device also features built-in over-voltage protection, as well as over-current and thermal protection. The supervisor also provides adjustable reset and watchdog timers, as well as a power-on reset voltage monitor. Finally, it includes a windowed watchdog timer for more precise control of system “watchdog” applications.

Application Field

The BD49E30G-TR is suitable for use in a wide range of applications, from automotive to industrial and medical. In automotive, it is used for control of low-voltage systems, such as car audio and navigation systems. In industrial applications, it is used for control of circuit boards, such as those containing microcontrollers. In medical devices, it is used for power management, as well as device protection against over-current and over-voltage conditions. In addition to these applications, it is also suitable for use in battery management systems, wireless communications, and other low-voltage applications.

Working Principle

The BD49E30G-TR utilizes two basic functional blocks in its operation: the Reset/Timer logic and the Power Supply Monitor. The Reset/Timer logic provides the reset signal to the system by monitoring the power supply voltage, watchdog timer and manual reset signal. When any of these signals goes out of its predefined range, a reset will be issued and the supply voltage will be reset. The Power Supply Monitor constantly monitors the voltage of the power supply and provides over-voltage, under-voltage and over-current protection to ensure that the system stays within it predefined parameters.

In addition to these built-in features, the BD49E30G-TR also provides a comprehensive set of features to allow designers to customize and set up the system to their exact needs. This includes a mode select pin to allow the user to select the desired reset timing, reset filtering, and various other features to allow for greater flexibility and customization in the system.

Conclusion

The BD49E30G-TR is a general-purpose PMIC (Power Management IC) in the Supervisor category, offering a wide variety of features for designers to choose from for their projects. The device is suitable for use in a wide range of applications, from automotive to industrial to medical, and it utilizes two basic functional blocks: Reset/Timer logic and Power Supply Monitor. The device also provides a comprehensive set of features to allow designers to customize and set up the system to their exact needs.

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