S-80129CLPF-JIOTFG Integrated Circuits (ICs)

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PMICs, or Power Management Integrated Circuits, are chips used to provide power in many embedded systems. These chips provide a range of power management functions from basic voltage regulation to complex battery management, motor control, and sensor feedback control. PMICs are designed to reduce complexity and component count while providing maximum efficiency and reliability.

Among the many PMICs available, the S-80129CLPF-JIOTFG is a unique PMIC that provides voltage monitoring, system reset, power-on-sequence control and output power sequencing functions all integrated into one package. With its range of features, this PMIC is typically used in supervisory control applications.

The S-80129CLPF-JIOTFG, resulting from the combination of a powerful microcontroller (MCU) and a power management integrated circuit, supervises the microcontroller\'s operations and the system\'s critical functions. The application of the S-80129CLPF-JIOTFG is based on analysing and evaluating the performance of the MCU under specific conditions. S-80129CLPF-JIOTFG provides a series of features to protect the IoT system against abnormal conditions, such as low and high voltage, short circuits, and power failures.

Working Principle of S-80129CLPF-JIOTFG: The S-80129CLPF-JIOTFG supervisor is a PMIC with embedded firmware that runs on a low-power microcontroller core. In order to perform its supervisory tasks, the chip monitors external power and input voltage levels, MCU operation, external reset and output voltage levels. Depending on the input levels and MCU performance, the PMIC will perform one of several pre-defined operations, such as resets, timing delays, and voltage regulation.

The S-80129CLPF-JIOTFG implements several internal and external signals for monitoring the system parameters. Among internal signals, the Internal Volt Monitor (IVM) is used to monitor the voltage supplied to the MCU. If this input voltage is below the pre-set threshold, the supervisor adjusts the voltage or shuts down the system. It also supports external signals, such as System Reset Command (SYSRST#). This signal can be used to initiate a system reset, allowing the system to reset itself after an over-voltage or over-current condition. Combined with an external frequency oscillator and an external power-on reset pin, the S-80129CLPF-JIOTFG can be used to implement an orderly power-on sequence.

The S-80129CLPF-JIOTFG supervisorcircuit can also provide system reset delay, timing delay, and output power sequencing. It can be programmed to perform several power-on-sequence operations like turning on different supply rails at specific times. This is useful for protecting sensitive components from surges and managing the power up sequence of complex ICs.

The S-80129CLPF-JIOTFG PMIC also has onboard voltage regulation and low-voltage detection features. These features monitor the voltage supplied to the MCU and will shut down or adjust the voltage if it is too high or too low. This prevents accidental system damage due to voltage spikes or brownouts.

Overall, the S-80129CLPF-JIOTFG PMIC provides a number of integrated features for supervisory control applications, including voltage monitoring, system reset, power-on-sequence control, and output power sequencing. These features help to ensure the reliable operation of embedded systems and provide protection against abnormal system conditions.

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