S-80850CNMC-B9BT2U Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) are necessary components for any circuit, providing a single-chip solution for deriving the power needed by a load, such as a microcontroller, an array of low-power sensors, or a full embedded system. The S-80850CNMC-B9BT2U PMIC is a highly reliable device developed to support the most challenging applications. It comprises a suite of features which make it versatile enough to be used in a range of safety critical, mobile and industrial applications.

The PMIC offers five integrated components specifically designed to improve power management and reduce overall system complexity. These components are: a regulator manager, a low-dropout (LDO) regulator, a voltage stabilizer circuit (VSC), a comparator, and a watchdog timer. Together, these components provide superior levels of flexibility, allowing the PMIC to intelligently monitor the system’s power demands and adjust the power supply accordingly.

Application Field

The S-80850CNMC-B9BT2U is a feature-packed PMIC and can be used for a variety of applications. Its list of features is extensive, making it suitable for use in a variety of industrial, automotive and consumer applications. Its key functionality includes:

• Low-drop-out (LDO) regulators and voltage stabilizer circuits (VSCs) provide the clean, stable power demanded by power-sensitive devices such as digital signal processors (DSPs) and digital signal controllers (DSCs).
• Programmable flexible digital power supplies offer fast, accurate and precise control functions for powering digital components.
• Advanced overtemperature protection circuit prevents system damage from local temperature extremes.
• Integrated push-button reset circuit provides fast and reliable system reset.
• Integrated watchdog timers provide efficient monitoring of system functions.

Additionally, it offers a number of features specifically designed to ensure that a system will meet safety and performance standards in operation, such as EMC compliance and failure reporting. Due to its wide array of features, it can be used in a range of safety-critical, typical and high-end applications.

Working Principle

The S-80850CNMC-B9BT2U PMIC uses an innovative voltage regulator manager to detect and manage the system’s power consumption requirements. This regulator manager provides precise, dynamic control of the system’s power supply levels and precise voltage monitoring. The internal regulator manager automatically adjusts output voltage based on real-time current consumption of the components in the system, providing dynamic power management and reducing overall power consumption.

The voltage stabilizer circuit (VSC) operates in conjunction with the regulator manager to provide a clean, stable output voltage. It compensates for output voltage variations due to input voltage or temperature changes, ensuring the output voltage remains within specified limits and preventing any spikes or drops in voltage which may damage the system.

The PMIC’s comparator monitors the voltage at the load and compares it to the specified set-point voltage. It can detect voltage deviations and instantaneously act on them to ensure the system operates safely. Additionally, the PMIC’s watchdog timer can be programmed to monitor the system’s performance and trigger a system reset if needed.

The S-80850CNMC-B9BT2U PMIC is an integrated solution designed to enable a variety of applications. Its combination of advanced features and robust design make it ideal for use in automotive, industrial, medical and consumer products.

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