S-80837CNNB-B8WT2U

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S-80837CNNB-B8WT2U Application Field and Working Principle

PMIC (Power Management Integrated Circuits) supervisors are integrated circuits with advanced monitoring and protection capabilities used in consumer electronics and other applications. S-80837CNNB-B8WT2U is a PMIC supervisor from Supermicro that features wide operating temperature range, on-chip voltage detectors, and reset functions. This article examines the application field and working principle of the S-80837CNNB-B8WT2U.

S-80837CNNB-B8WT2U Applications

S-80837CNNB- B8WT2U is a highly effective PMIC supervisor intended for use in consumer electronics and embedded system applications. It offers a multiple output voltage (VOUT) range of 0.9V to 7.5V, which can be used to supply both digital and analog circuits. It supports 3.3V and 2.5V LDO (Low Dropout Voltage) outputs and 4 adjustable LDO outputs.

The S-80837CNNB-B8WT2U is suitable for various applications such as portable devices, TV sets, set-top boxes, DVD players, LCD displays, and digital cameras. It is also a good choice for applications requiring partial power down and multi-rail sequenced power-up through its on-chip power monitoring and reset circuit protection.

S-80837CNNB-B8WT2U Working Principle

S-80837CNNB-B8WT2U integrates a power monitor with a voltage detector, reset and power-on reset. The integrated power monitor provides accurate voltage and current monitoring, allowing the system to monitor and react to power and system overloads.

The voltage detector is designed to detect voltage drops as low as 0.9V. When the voltage drops below this threshold level, an internally generated reset signal is triggered to reset the system and avoid system damage. The reset signal is then routed to other Power Monitoring and Control (PMC) controllers to enable further power control and enable power-on reset.

The S-80837CNNB-B8WT2U is also equipped with 4 adjustable LDO outputs with high reliability and accurate output voltage control. The 4 outputs can be independently set with a voltage range of 0.9V-7.5V. The control is also available through I2C/SMBus interfaces for remote control, enabling system flexibility and enhanced power efficiency.

In addition, the S-80837CNNB-B8WT2U also supports over-temperature protection with a wide operating temperature range of -30°C to +90°C. This allows it to achieve reliable performance in industrial and commercial applications.

Conclusion

The S-80837CNNB-B8WT2U is an advanced PMIC supervisor with an advanced monitoring and protection feature. It is suitable for use in consumer electronics and embedded system applications, providing reliable performance and long-term stability over a wide temperature range. Its integrated power monitor, voltage detector, reset, and LDO outputs provide complete power protection and control. Its wide operating temperature range and I2C/SMBus interface allows remote control and improved system efficiency.

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