DS1233Z-5+T&R

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Supervisors, also known as power monitoring & interfacing devices, are a type of power management integrated circuit (PMIC) that provides voltage and current monitoring, reset, and other functions to ensure reliable operation of electronic systems. The DS1233Z-5+T&R is a supervisor IC from Maxim Integrated with a comprehensive set of features and protections suitable for a variety of system power-up and power-down applications.

The DS1233Z-5+T&R is a low-power CMOS supervisor IC configured to monitor the voltage at two power pins and provide five reset outputs for a variety of power-on, power-on reset, power supply brownout, and watchdog timeout applications. The supervisor is configured to provide a reliable, soft reset signal to the microcontroller during an unexpected power-down period or when the system experiences a high-voltage disturbance.

The DS1233Z-5+T&R provides two threshold voltage detection levels and two power-on reset outputs. The two power pins are configured to detect the operating voltage of the system, while the user can adjust the two threshold levels to match the system requirements. The two power-on reset outputs are active low and are used to reset the system during power-on or power-down transitions.

The supervisor also features a watchdog timeout function to help prevent system hang-ups. The timeout period can be programmed to be between 160 ms and 1 second, depending on the application. To reset the watchdog timer, the watchdog input must be held low for at least 10 ms and then pulled high for at least 1 ms.

The power-on reset output has an adjustable timeout period from 0.25 ms to 1 ms. The active low, power-on reset output is used to reset the system during a power-on transition, providing an additional layer of protection against erratic system behavior.

The DS1233Z-5+T&R also features an active low, open-drain output capable of sourcing or sinking up to 15 mA. The open-drain output can be used to drive low-current loads, such as LEDs, or to provide an interrupt signal to the microcontroller.

The DS1233Z-5+T&R supervisor IC is a robust integrated circuit with features suitable for a variety of applications. The supervisor provides reliable power monitoring, reset, and other functions to ensure the system remains stable and reliable over time.

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