ICL7665SACBA-T

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The ICL7665SACBA-T is a programmable voltage supervisor integrated circuit that provides voltage supervision, power supervision, and power reset functions. It is one example of a PMIC Supervisors, which are integrated circuits that are used to supervise the operation of a multi-voltage power supply system. It is important to note that PMIC supervisors are not all the same, and different products may have different features and functions. The ICL7665SACBA-T, specifically, is designed for advanced microprocessor systems.

The ICL7665SACBA-T offers advanced, programmable power supervised and reset functions. It can detect and respond to both rising and falling voltage levels, meaning it can provide power coverage for both dynamic and static systems. The ICL7665SACBA-T has two independently programmable POR (power-on reset) and PSW (power-on supervisor) thresholds, so it can be tailored to the requirements of the system. The POR/PSW thresholds are adjustable on the order of percentage points, allowing this integrated circuit to be used in many application fields.

The ICL7665SACBA-T integrates both a POR and PSW output with a single differential temperature compensated input. It features a low operating current of typically only 3uA and has a wide temperature range of operational parameters. The ICL7665 can also provide single-ended voltage sensing and has a programmable reset timeout period. This integrated circuit is typically used in embedded microprocessor and DSP-based systems, and its most common application field is in computer servers, particularly servers in data centers. It is designed for use with Microtronix PowerLINK-enabled products with support for remote monitoring, control, and reset capabilities.

The working principle of the ICL7665SACBA-T is rather simple. It features a differential peak-level input that is used to detect changes in supply voltage as it rises and falls. The IC responds to changes in voltage by providing a reset or power-on reset signal. This signal is then used to initiate the system reset actions. Additionally, the IC can provide an active-low POR (power-on reset) signal at the time the input voltage is above the preset POR threshold. It also provides an active-low PSW (power-on supervisor) signal at the time the input voltage falls below the preset PSW threshold. This allows the circuit to provide protection against under-voltage and over-voltage events.

In conclusion, the ICL7665SACBA-T is an integrated circuit specifically designed for embedded microprocessor and DSP-based systems. It incorporates advanced programmable power supervision and reset functions, so it can be tailored to the environmental conditions of the system. The integrated circuit is typically used in computer server systems and data centers, and its working principle is based on detecting changes in supply voltage as it rises and falls to provide a reset or power-on reset signal. It is an example of a PMIC Supervisor integrated circuit, which can provide important protection in multi-voltage power supply systems.

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