ASM810SEURF-T

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The PMIC-Supervisors are electronic components that are used to ensure that the voltage supplied in a given device is always within a specified range. The ASM810SEURF-T is one such device. It is part of the Analog/Mixed-Signal (M/S) family of PMIC-Supervisors and is specifically designed to meet the low power and high performance needs of automotive and industrial applications.

The ASM810SEURF-T is a three-channel, multi-voltage PMIC-Supervisor that can monitor up to three voltage rails. It has three main functions, the monitoring, reset and brown-out detection of the voltage levels. The device is able to detect a below-threshold condition and assert a reset signal to invoke a corrective reset routine, or to prevent further damage to the device being monitored. This allows for reliable control and protection of the associated power system.

The ASM810SEURF-T is capable of monitoring various voltage rails from as low as 2.2V to 28V. It has a low power consumption and supports a variety of reset options that include basic manual reset, reset pulse widths, power-on reset (POR) and brown-out reset (BOR). It is also equipped with a diagnostic pin that can indicate the reason for the reset. The device is available in a small, space saving SOT-563 package.

The ASM810SEURF-T integrates a robust monitoring architecture that enables reliable, low power voltage detection and reset initiation in space-constrained applications. This makes it suitable for use in applications that require power and reset monitoring capabilities, such as automotive systems, industrial systems, USB chargers, cell phones and other applications that require power management and reliability.

The working principle of the ASM810SEURF-T is based on a 2.4V-accurate bandgap reference. This reference voltage is compared to each voltage rail being monitored. If the voltage drops below a user-defined threshold, the device provides an active-low reset output to the device being monitored. The device also includes an open-drain diagnostic pin which can indicate the cause of the reset and provide additional information. The device also includes a timer circuitry that allows the reset to expire and be released after a user-defined time delay.

Linkplay’s ASM810SEURF-T is a perfect solution for use in power management systems such as automotive and industrial applications. The device provides accurate monitoring of the voltage rails, active-low reset output, reset diagnostics and user-defined reset parameters. It is designed for low power consumption and is available in a small, space-saving package. Its robust monitoring architecture ensures reliable system operation, making it an ideal choice for power management components.

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