STM819MDS6F

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STM819MDS6F is a PMIC - Supervisors which is built upon STMicroelectronics\' SMT8 technology. These devices are used in advanced applications that require powerful and reliable protection of power supplies. STM819MDS6F is a system-watchdog voltage monitor with adjustable overvoltage and undervoltage detection and a single-channel, low-voltage reset output, programmable reset threshold and delay, protected reset output and active-low reset. It is designed to offer superior protection of power supply rails, thereby offering a reliable, robust and safe power supply for embedded systems.

The application field of STM819MDS6F mainly is photoelectric systems and portable data devices, such as digital cameras, smartphones, PDAs, etc. STM819MDS6F can also be used in a wide range of embedded systems, such as printer controllers, smart meters, digital broadcast receivers, power amplifiers or audio systems.

The working principle behind STM819MDS6F is based on accurately monitoring the voltage levels of a system\'s power rail in order to detect any overvoltage, undervoltage or voltage variations quickly. An adjustable overvoltage protection (OV) threshold is used to define a maximum safe operating voltage level for the system. If the system\'s power rail exceeds this threshold, an active-low reset is asserted and the system is immediately shut down to prevent any damage due to excessive current consumption.

The adjustable undervoltage protection (UV) threshold is used to define the minimum safe operating voltage level and if the system\'s power rail goes below this threshold, a reset signal is asserted. The reset threshold and delay are also adjustable, allowing the users to set a desired reset level and delay, depending on their individual system needs. Additionally, STM819MDS6F also includes a resistive pull-up on the reset pin as well as a low-voltage/low-current reset detect circuit which increases the overall robustness and accuracy of the device.

STM819MDS6F also includes a power-on reset circuit which is used to reset the system once the power is turned on or when the power supply voltage is within the safe operating range. This ensures that the system does not keep running after the power supply is interrupted or due to unstable power in the system. Finally, the reset output from STM819MDS6F can also be used to control external MOSFETs to achieve maximum system reliability.

The STM819MDS6F is a powerful, robust and reliable system-watchdog voltage monitor that provides efficient and reliable protection for systems with sensitive components, such as photoelectric systems and portable data devices. This voltage monitor offers adjustable overvoltage and undervoltage detection, programmable reset threshold and delay, protected reset output and active-low reset, and power-on reset circuit. All of these features make STM819MDS6F a perfect choice for use in advanced applications.

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