S-80152BNPF-JHDTFG

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PMIC - Supervisors: S-80152BNPF-JHDTFG application field and working principle

The S-80152BNPF-JHDTFG is a voltage supervisory IC from the PMIC - Supervisors family. It is a small size monitor IC intended for use on high voltage as well as low voltage applications. It features a wide input voltage range of 5.5 V to 19.6 V, and an accuracy of 0.5% to 1.5%, depending on the version. This device is suitable for use in applications such as voltage monitoring in automotive power systems and telecom power supplies.

The S-80152BNPF-JHDTFG provides four independent supervision outputs to help protect against out-of-specification voltages. It also features an integrated deglitch circuit and an adjustable energized shutdown voltage of 1.65 V to 19.6 V. This IC offers several key functions, including reset/comparator, system reset/comparator, and reset/timed reset. Each of these functions is associated with one or two of the four outputs.

The reset/comparator function sets a predetermined upper and lower voltage outside of which an open-drain reset output is activated. When the input voltage returns to the pre-defined level, the reset output is released. This direct reset/reset cancellation control offers improved system reliability and safety. This is due to the fact that an open-drain reset output is active during an over-voltage fault. The S-80152BNPF-JHDTFG also features an integrated deglitch circuit that helps eliminate “false” open drain reset signals due to noise on the reset output.

In addition to the reset/comparator function, the S-80152BNPF-JHDTFG also features a system reset/comparator function. This function allows the user to program a set voltage level outside of which a system reset will be triggered. It can also be programmed to perform a daily reset at a pre-defined time. When programmed in this manner, the reset output is active until the first daily reset occurs and then remains inactive until the next daily reset. This function helps increase system reliability and safety by ensuring that any out-of-specification voltages are corrected as quickly as possible.

Finally, the S-80152BNPF-JHDTFG offers a reset/timed reset function. In this mode, the reset output is active for a predetermined amount of time, such as 10ms or 16ms, before being released. This feature helps reduce wear and tear on the system by ensuring that the reset output is not left active longer than necessary.

The S-80152BNPF-JHDTFG voltage supervisory IC is an excellent choice for use in applications that require protection against out-of-specification voltages. Its integrated deglitch circuit, four independent supervision outputs, and adjustable energized and shutdown voltage levels help to ensure the safety of these applications. The reset/comparator, system reset/comparator, and reset/timed reset functions help to further increase system reliability and safety, while the small size makes it easy to use in a wide range of industry-standard applications.

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