MP6400DG-33-LF-Z

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PMIC - Supervisors are used to prevent unregulated power from adversely affecting the power supply and system reliability. The MP6400DG-33-LF-Z is a well-known 3-6V supervisor with 33V reset monitoring voltage and a low reset voltage threshold of 0.8V. It is widely applied in many different applications.

Application field

The MP6400DG-33-LF-Z SOT-23 package is widely used in ultra-low voltage regulated power supplies. It is perfect for providing a great protection in cases when the reset voltage is lower than the normal or standby voltage. For example, the MP6400DG-33-LF-Z is widely used to monitor the reset level of embedded microcomputers in automotive electronic control units (ECUs).

Working principle

The MP6400DG-33-LF-Z works by measuring the voltage level of the power supply and detecting when it drops below the specified reset threshold. If the reset threshold is breached, then the MP6400DG-33-LF-Z will signal the power supply to reset by asserting its RESET output pin. All other power-up or power-down sequence signals are managed by the internal circuitry of the MP6400DG-33-LF-Z was designed to make sure that the reset is activated if and when needed. It is a very reliable and robust part that ensures system reliability during power supply disturbances.

In addition, the MP6400DG-33-LF-Z Supervisor is also able to detect reset signals from other external circuits and initiate a software controlled power reset if needed. This feature allows the user to configure the supervisor to reset the system if an external power interruption is detected.

The MP6400DG-33-LF-Z has a shutdown mode which allows for power down control via the RESET pin. This mode can be activated by applying a voltage to the SHDN pin. When in shutdown mode, the RESET pin will remain low and the output stage will be powered down. By this way, it can help to reduce power consumption.

Conclusion

The MP6400DG-33-LF-Z is a well-designed 3-6V supervisor with 33V reset monitoring voltage and a low reset voltage threshold of 0.8V. It is widely applied in automotive electronic control units and other ultra-low voltage regulated power supplies, working by monitoring the voltage level of the power supply and activating a reset signal when it drops below the specified reset threshold. In addition, the MP6400DG-33-LF-Z has a shutdown mode which allows for power down control via the RESET pin, helping to reduce power consumption. With its reliable performance and robust characteristics, the MP6400DG-33-LF-Z is a perfect choice for providing reliable protection to the power supplies.

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