X5043S8IT4

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PMIC, or power management integrated circuits, are electrical components that leverage a variety of techniques and technologies to optimize the delivery and consumption of power. Renesas’ X5043S8IT4 is a PMIC device designed to perform accurate voltage supervision and precision timing tasks in a power system. The X5043S8IT4 aims to bring superior performance and exceptional reliability to a variety of general-purpose and specialized applications.

The X5043S8IT4 is a simple but powerful and efficient supervising IC that offers high accuracy voltage detection, intelligent power monitoring and timing generation for various power operation tasks. It integrates two digital high accuracy voltage supervisors, a voltage detector, and two independent digital timing circuits in a single 8-pin (SOT-23-8) package. The device supports both supply voltage measurement and supervision and also digital output. This allows the X5043S8IT4 to meet a wide range of voltage supervision and control requirements.

Application Field

The X5043S8IT4 provides the system designer vast flexibility and accuracy for power operation applications and suits a variety of modern power systems. Specifically, it can be used in computer motherboards, UPS, telecom systems, AC/DC universal chargers, portable electronic devices, and other power distribution and control systems. The X5043S8IT4 also enables system designers to monitor the power supply condition and take appropriate corrective actions, if necessary. Additionally, it can be used to provide precise timing generation for circuit synchronization, clocking, reset, or even security-related tasks.

Working Principle

The X5043S8IT4 operates based on a powerful set of features that allow system designers to configure it easily and accurately to meet their power operation needs. The first feature is its two high accuracy analog comparator (HAC), which are used for precise voltage supervision. The HACs monitor the power supply voltage of the system and compare its value with the voltage reference value set in the device. If the voltage deviation is higher than the maximum limit, the HAC will trigger a reset signal and the system will reset itself.

The second feature of the X5043S8IT4 is its voltage detector. It measures and monitors the supply voltage of the system and provides an analog output signal proportional to the supply voltage. This signal is used to control the voltage supervisor function, as well as to provide information on the power supply condition to the system designer for further analysis.

The X5043S8IT4 also integrates two independent digital timing circuits which can generate two programmable output waveforms for various purposes. The circuit can be configured for single-shot, delay, and periodic modes, providing various timing generation options for the system designer. The timing waveforms can be precisely set to meet the required timing profiles with high accuracy.

Furthermore, the X5043S8IT4 provides a reset signal with an adjustable timing option. This allows the system designer to set the timeout of the reset signal based on the application requirements. This ensures that the system is reset at predetermined time intervals and avoids potential security risks.

Finally, the X5043S8IT4 features a built-in EMI filter, which reduces and eliminates EMI related noise in the system. This eliminates the need to use external filters and hence reduces system cost, complexity and power consumption.

Conclusion

Renesas’ X5043S8IT4 is a feature-rich, high-performance supervising IC for various power operation tasks and systems. It offers a combination of precise voltage monitoring and precise timing control with exceptional reliability and performance. The X5043S8IT4 is suitable for a variety of general-purpose as well as specialized applications such as computer motherboards, UPS, telecom systems, AC/DC universal chargers, and portable electronic devices. This powerful and versatile PMIC ensures reliable power operation for first-rate systems performance and security.

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