MC34901WNEFR2

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MC34901WNEFR2 is an interface-level driver, it belongs to the family of transceivers, receivers, and drivers. It is widely used for power-on reset, high-voltage sensing, and battery protection. With its high performance and level-shifting capability, it has been widely adopted for automotive applications and other industrial controls.

This article explains the application fields and working principle of MC34901WNEFR2.

Application Fields

MC34901WNEFR2 is designed to be used in automotive applications, power-on reset, high-voltage sensing, and battery protection. It is widely used in electronic devices and circuit boards with its high performance, level-shifting and protection capability.

Furthermore, it provides an efficient current control and supports bidirectional level shifting for both digital and analog signals. It also offers an internal voltage regulation loop for improved system reliability.

Working Principle

MC34901WNEFR2 has a positive voltage reference signal and a negative voltage reference signal. The two reference signals will be compared with a signal from a power-on reset circuit in order to determine if the system is powered-on.

When power-on reset signal is received, it produces a voltage level which is lower than the negative reference signal. The driver will then switch on its internal power supply and power up the system.

Furthermore, it uses a level-shifting function to convert digital or analog signals to the appropriate voltage range before they are sent to the components. It also has an internal protection mechanism which will protect the components from electrical overstress or over-voltage.

In summary, MC34901WNEFR2 is an interface-level driver that is widely used in automotive and other applications for power-on reset, high-voltage sensing, and battery protection. It is easy to use and provides reliable performance, level-shifting, and protection. It is a great choice for cost-sensitive requirements.

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