STM6719SFWB6R

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The STM6719SFWB6R, a voltage supervisor from Texas Instruments, is part of the PMIC (Power Management Integrated Circuit) Supervisors family. This device provides high accuracy and low power for supervision of power supplies and other applications. It offers 5 independent monitoring voltages – three high voltage output, one low voltage output, and one reference voltage output – and operates from a 1.2V to 5.5V supply. On the rising or falling edge of themonitor voltage inputs, it can generate a reset signal for system reset, brownout, or power-on reset depending on the configuration. A unique feature of this device is its integrated watchdog timer, which can be set up to trigger an alarm when a system is not running as expected.

In terms of its features and functionalities, the STM6719SFWB6R is designed to provide current regulation and voltage regulation in single voltage management designs. It features two operational modes, which can be changed with an external control signal: Unconditional off-state and conditionally off-state operations. UnconditionalOff-state operations help reduce power consumption when the supervisor is inactive, while conditionallyoff-state operations provide additional safety features when the voltage levels are exceeded.

The STM6719SFWB6R is also equipped with an adjustable window comparator and an adjustable voltage limit comparator. These comparators can be used to protect the Load from over voltage, over current and over temperature. The VDD output can be set to an adjustable value, allowing operators to customize the voltage levels applied to the load. This supervisor is designed to withstand up to 28V supply voltage and can also withstand transient voltage spikes.

In terms of its working principle, the STM6719SFWB6R operates by monitoring the input supply voltage and comparing it to a pre-set voltage reference. When the voltage falls below the pre-set reference, a reset signal is generated. This reset signal can be used to reset the system, a microcontroller, or a power supply. The device can also be configured to generate an alarm if the voltage remains below the pre-set reference for a certain period of time.

In terms of its application fields, the STM6719SFWB6R can be used for a wide range of applications. It is suitable for voltage supervisors in computing, communications and audio applications. It can also be used to protect communication systems, high-end industrial and automotive control systems, and other computing systems. Additionally, it can be used in power supply systems and portable power management systems.

In summary, the STM6719SFWB6R is a voltage supervisor from Texas Instruments which belongs to the PMIC (Power Management Integrated Circuit) Supervisors family. It provides high accuracy and low power supervision of power supplies and other applications. It features two operational modes, adjustable window comparator, adjustable voltage limit comparator, and a watchdog timer. In terms of its application fields, it is widely used in computing, communications and audio applications, as well as in communication systems, industrial and automotive control systems, power supply systems and portable power management systems.

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