X4045M8IZ-2.7

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PMIC (Power Management ICs) Supervisors play an important role in new silicon designs due to the need for efficient power management and preventing field failures. The X4045M8IZ-2.7 is a high-performance, low-power digital supervisor IC providing comprehensive protection and power management features.

The X4045M8IZ-2.7 is a 4.0V to 4.6V device intended for application in handheld, portable and mobile systems and supports a wide range of low voltage input voltage sources and provides a wide spectrum of protection and battery maintenance functions. It offers advanced power management by providing instantaneous and accurate supervisor functions associated with system monitoring, power sequencing, battery charger, battery protection, and general system protection and data storage.

The X4045M8IZ-2.7 features factory programmable timing which allows the user to configure the time-out period, power-on reset (POR) interval, power-on rise time, key wake-up interval and expired interval. It also allows for custom power-on and power-down sequences and requires low quiescent current for extended battery life.

The X4045M8IZ-2.7 supervisor IC supports a battery protection function that prevents battery overcharging, helps to detect battery failing condition, and maintains the battery state when it is not in use for a long duration.

The X4045M8IZ-2.7 supervisor\'s working principle can be divided into two main parts: the main supervisor and the system monitoring functionality. The main supervisor monitors the input voltage and determines whether the system is powered-on, powered-off, or in brown-out state by enforcing timing cycles such as power-on reset, reset hold-off, key-press wake-up, and expired intervals. In addition, it provides an on/off switch to switch between the battery and the AC adapter power. The system monitoring aspect of the supervisor provides a wide variety of monitoring functions to enhance system reliability including instantaneous or delayed reset, brown-out detection, extended reset and sometimes short circuit protection.

The X4045M8IZ-2.7 supervisor IC is suitable for use in low voltage systems such as handheld, portable, and mobile device applications. It is ideal for these applications due to its ability to provide instantaneous and accurate supervisor functions, advanced power management, and its wide range of protection and battery maintenance functions. The X4045M8IZ-2.7 is designed to provide an optimal power management and protection solution without extra components, saving size and cost.

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