TPS3836L30DBVT

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Permanent magnet integrated circuits (PMICs) are electronic components that offer a wide range of capabilities including power management and efficiency optimization. One such PMIC is the TPS3836L30DBVT, specifically designed for applications such as system monitoring and power sequencing. As a supervisor IC, the TPS3836L30DBVT provides reset and power-up sequencing for microprocessor-based systems.

The TPS3836L30DBVT is a Triple3-Input Supervisor IC with an open-drain active-low reset output. This IC is composed of three monitoring circuits that monitor two supplies and one reset input. The two main power supplies are a Vcc voltage and a backup voltage, while the reset input (RESET) is an active-low logic signal inputted from an external logic circuit. The TPS3836L30DBVT is designed to reset by applying a low voltage Vcc voltage to the Vcc pin and then keeping the backup voltage at a low level. The reset input is then monitored, allowing the reset output to be asserted when necessary.

When the reset output is asserted, the TPS3836L30DBVT quickly drives to a low voltage level in order to place the monitored system into a reset state. This reset state is maintained until the RESET input is deasserted, at which point the TPS3836L30DBVT gradually pulls the reset output high, bringing the monitored system back from the reset state. At the same time, the TPS3836L30DBVT monitors the two supplies and keeps the output high until either one or both of the supplies return to a normal operating voltage level.

In addition to reset and power-up sequencing, the TPS3836L30DBVT has several other features that make it attractive for applications such as microprocessor-based system supervision. These features include an adjustable power up and power-down delay time, adjustable reset time-out period and an adjustable watchdog time-out period. The adjustable power up and power-down delay time allows the TPS3836L30DBVT to adjust the period during which it will monitor the system before initiating a reset. The adjustable reset time out period is used to set the time at which the TPS3836L30DBVT will monitor the system and assert a reset output, while adjustable watchdog time-out period allows the TPS3836L30DBVT to adjust the time it will wait before resetting again if the system fails to reach a normal operating voltage level.

For applications requiring additional features such as over or under voltage detection for over-current and power monitoring, the TPS3836L30DBVT also offers several integrated circuits with additional features. These ICs include the TPS3841L30DBVT, which adds overvoltage and undervoltage monitoring, and the TPS3841WS30DBVT, which adds additional overcurrent protection and status monitoring.

Overall, the TPS3836L30DBVT is an excellent choice for system monitoring and power sequencing applications. By integrating reset and power-up sequencing with additional features, the TPS3836L30DBVT provides a single-chip solution for microprocessor-based system supervisors. With its flexibility and proven reliability, the TPS3836L30DBVT is an ideal solution for any system supervisor application.

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