S-80817CNY-Z2-U

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PMIC, or power management integrated circuit, is a type of integrated circuit that helps manage the power system of a device. PMICs regulate the functioning of a device by providing the necessary current and voltage to run the device. By managing the power supply to a deviced, they can manage the start and stopping of different components and extend device battery life. One commonly used example of PMICs is the S-80817CNY-Z2-U.

The S-80817CNY-Z2-U is classified under PMIC\'s Supervisor type. Supervisors are specialized PMICs that sense and control the supply, battery, or clock signals of a microprocessor or microcontroller. Supervisors detect low voltage or current levels and forcibly reset the device when needed. The S-80817CNY-Z2-U is specifically suited for advanced system-on-chip applications, as it provides reset and supply monitoring functions.

The S-80817CNY-Z2-U has a wide range of varying applications. It provides monitoring of 1.9V/3.3V/5V input voltages and can also monitor a battery voltage level. It can detect if the voltage input level drops below a certain level and provides an automatic system reset if it is triggered. This makes it suitable for applications such as mobile phones, personal digital assistants, digital cameras, and notebooks.

The S-80817CNY-Z2-U also has a low supply current, which makes it ideal for low power, battery powered systems. The primary features of this supervisor can be broken down into three different categories: time-out reset, voltage reset and chip select reset. The time-out reset is used to detect a situation where the memory does not respond or returns incorrect responses and performs a reset in order to ensure that the system does not remain in an undesirable state. The voltage reset is used to detect a drop in input voltage, and provide a reset to ensure that the system is reset if an over-voltage or under-voltage is detected.

The chip select reset is used to generate a reset when it detects that a chip select input has been left high. This is useful in situations where there is a need to ensure that a chip is correctly selected, or when the initialization of certain circuitry needs to be completed prior to entering a certain task in order to ensure that the system operates correctly. The S-80817CNY-Z2-U also has an active-high reset output, which enables a reset signal to be sent if it detects that an event needs to be handled immediately.

The P-channel MOSFET is an important aspect of the S-80817CNY-Z2-U. This component is used to control the input voltage by providing a base current to the MOSFET gate. It is capable of switching the gate between a low-impedance and a high-impedance state, which in turn serves to enable or disable the voltage supply. The P-channel MOSFET makes the S-80817CNY-Z2-U a suitable choice for systems that require precise control of the power supply.

In conclusion, the S-80817CNY-Z2-U is a widely used supervisor type PMIC that can be utilized in a variety of applications. Its most noteworthy features include voltage reset, chip select reset and time-out reset, along with the inclusion of a P-channel MOSFET in order to control the input voltage. These features make it suitable for use in low power, battery powered systems, as well as mobile phones, personal digital assistants, digital cameras, and notebooks.

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