ASM811SEUSF-T

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ASM811SEUSF-T is a highly integrated Supervisors type PMIC (Power Management IC) for selection in portable, small form factor and low power consumption applications.

It incorporates system-level power management including core power sequencing, battery and watchdog monitoring, power system alerting and so on. This device integrates high voltage supply generation and regulation, system power monitoring, real-time protection, and system sequencing and management.

The ASM811SEUSF-T can be used in many different applications, such as smartphones, tablets, notebooks, PDAs, portable medical equipment, and other audible/visual electronic products.

The ASM811SEUSF-T outperforms traditional poly-fuses and self-resetting poly-fuses with features including complete system power sequencing and management, dynamic core power control monitoring, battery power monitoring, watchdog monitoring, system power alerting, dynamic core protection, over-temperature protection, and voltage regulation.

In terms of working principle, the main components of the ASM811SEUSF-T are the system power sequencing and regulator, the system power monitor, the battery power monitor, the watchdog monitor, the system alerting, the dynamic core protection, the over-temperature protection, and the voltage regulation.

The system power sequencing and regulator manages the power on and off of the system, regulates various system voltages and controls the required power states. The system power monitor is responsible for monitoring the current consumption steps and generating an alert when it exceeds a certain threshold. The battery power monitor is responsible for monitoring the battery voltage and providing visual indicators as to the battery’s charge/discharge status.

The watchdog monitor is responsible for monitoring the system for unexpected events, freezing or locking up. The system alerting is responsible for generating an alert if the system encounters any unexpected events. The dynamic core protection monitors the core supply current and generates an alert if it exceeds a certain threshold. The over-temperature protection is responsible for monitoring the temperature of the system and generating an alert if it exceeds a certain threshold.

The voltage regulation is responsible for generating a stable output voltage, by using voltage regulators and voltage gating. This helps to keep the output voltage of the system within an acceptable range.

In conclusion, the ASM811SEUSF-T is an ideal Power Management IC for portable and small form factor applications. Its many features include system power sequencing, battery power monitoring, watchdog monitoring, system power alerting, dynamic core protection, over-temperature protection, and voltage regulation.

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