TPS3307-18DRG4

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PMIC - Supervisors are important components in power management integrated circuits. They are used to help regulate and regulate voltage levels for various circuits. The Texas Instruments TPS3307-18DRG4 is a popular supervisor IC that is used in a variety of applications. In this article, we will discuss the application field and working principle of the TPS3307-18DRG4.

Applications of TPS3307-18DRG4

The TPS3307-18DRG4 is most commonly used in microprocessors, personal computers, and embedded systems. It can provide primary power-on reset and manual reset signals, as well as watchdog timer functions. It is also used in other applications such as medical, automotive, and industrial automation applications.

The TPS3307-18DRG4 can also be used in voltage supervisor circuits. It can monitor the voltage level of an external device and activate an interrupt signal if the voltage falls below a preset threshold. This feature is useful in applications that require a reliable power supply such as embedded systems and processors.

The TPS3307-18DRG4 is also useful in power supply sequencing. It can sequence the power-on and power-off of multiple supplies in a device. It can also provide an indication of a fault condition if any one supply fails.

Working Principle

The TPS3307-18DRG4 works by monitoring the voltage levels of an external device. When the voltage drops below a preset threshold, the supervisor activates an interrupt signal. This signal can be used to reset the device or activate any other external circuitry.

The supervisor consists of two main components, an internal comparator and a voltage reference. The voltage reference can be adjusted via external resistors. When the voltage level of the monitored device drops below the preset threshold, the comparator will activate the interrupt signal. This signal can then be used to reset the device or activate other external circuitry.

The TPS3307-18DRG4 also has built-in watchdog timer functions. This means that if the monitored device fails to respond or the signal drops, the supervisor can be triggered to reset or activate external circuitry.

The TPS3307-18DRG4 is also protected from over-voltage and reverse-current protection. This makes it suitable for low-voltage systems such as automotive and industrial applications.

Conclusion

The Texas Instruments TPS3307-18DRG4 is a versatile and reliable supervisor IC. It can be used in a variety of applications including microprocessors, personal computers, embedded systems, and automotive electronics. It can provide primary power-on reset and manual reset signals, as well as watchdog timer functions. It can also be used in voltage supervisor circuits to monitor voltage levels and activate an interrupt signal if the level falls below a preset threshold.

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