S-1011E90-M6T1U4 Integrated Circuits (ICs)

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Power management integrated circuits (PMIC) are considered a crucial element in industry and consumer electronics, with the aim of providing an efficient way to manage and optimize power consumption. Nowadays, PMIC solutions are available in a wide range of solutions, from voltage regulators to battery chargers.Among available PMIC solutions, supervisors are devices that control, supervise and protect the power rails of a system. Supervisors are most commonly used on circuit boards and other electronics equipments during development and design stages in order to ensure power stability and avoid shorting out.The S-1011E90-M6T1U4 is a digital supervisor IC that is part of STMicroelectronics SuperVISOR family, which is capable of monitoring up to four power rails. It provides an advanced level of protection for a system\'s power rails, allowing for additional supervisory features such as power-on reset and under-voltage lockout.

Application field

The S-1011E90-M6T1U4 is ideal for a variety of applications, such as home automation, medical equipments, industrial control systems and lighting solutions. Its robust package, with a size of 3x3 mm, allows for an easy and efficient integration into products without compromise on essential protection and control capabilities. The supervisor can be used to protect and control systems operating anywhere between 1.8V to 5.5V, precisely controlling its four channels within a 3% accuracy. Its high side input signal can monitor a variety of digital power rails, such as DC/DC converters output voltages, battery voltage levels or temperature.It is also equipped with additional protection features such as over-voltage, over-current and over-temperature tolerance. Additionally, it comes with an internal clock keeper for an ultra-low power operation and an I²C Interface to allow for additional customization, by providing a serial access to the supervisor\'s programmable status. Furthermore, it includes a surge protection circuit to protect itself and the system against any sudden and sharp voltage spikes.

Working Principle

The S-1011E90-M6T1U4 supervisor IC works based on the concept of monitoring input signals and then outputting an appropriate rail protection signal. Compared to other supervisor ICs, the S-1011E90-M6T1U4 utilizes a revolutionary architecture that includes four internal power supply sequencers, four input signals and one output signal.It works by comparing the analogue input signals to its internally generated digital reference signals. These reference signals are then compared to the input signals and if any deviation from the programmed values is detected, a warning signal is generated to alert the system\'s power management so that an appropriate action is taken, such as shutting down the system or freezing the output.The S-1011E90-M6T1U4 supervisor also offers additional functionalities such as programmable under/over voltage flags, over temperature flags and programmable digital flags. This allows for the supervisor to detect any undesired behaviour and alert the system in a timely manner. In conclusion, the S-1011E90-M6T1U4 supervisor is a high performance and cost effective solution for power rail monitoring and control, granting total protection and control high power consumption.

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