SP708TCN-L/TR

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Over the years, the growing need for reliable and cost-effective power management integrated circuits (PMICs) has resulted in the development of the Power Management Integrated Circuit (PMIC) - Supervisor family. The SP708TCN-L/TR is a feature packed, highly reliable and cost-effective solution from this family.

The SP708TCN-L/TR plays an essential role in modern circuit designs as it provides an isolated voltage output, power-on reset (POR) protection, reset releasing and hold, and open-drain output for external interrupt applications. These features are ideal for providing additional protection for microprocessors and other digital circuits.

Application Field

The SP708TCN-L/TR can be used in a variety of applications to control the power up and power down process of embedded processors in many products including computers, mobile phones, tablets, automotive electric systems, home appliances, and electronic toys.

In computers, the SP708TCN-L/TR can be used to control the power on/off sequencing of the processor and other components. In automotive systems, it is used to power on/off the electric system when the vehicle is turning on/off. In home appliances and electronic toys, it can be used to control the sequencing of the power on/off process.

The SP708TCN-L/TR also provides a reset delay time for the processor so that the system stability is ensured. This allows the processor to be reset within a specified time, which is essential in avoiding unexpected operations of the device.

Working Principle

The SP708TCN-L/TR is a feature-packed power management integrated circuit (PMIC) that operates in various power modes to control the power up and power down process of the processor. Its operation is based on two parameters: the power save timeout (PSTO) and the reset delay time (RDT).

When the PSTO is set, then the device triggers the POR protection circuit, which will turn off the device if it reaches the PSTO timeout. When the PSTO is not set, the device remains in normal operation until the RDT is reached. When the RDT is reached, the device triggers the reset releasing circuit to power off the processor.

The SP708TCN-L/TR can also be used to monitor the input power and the external interrupt. The input power monitor circuit will help the device to detect if the input power is above or below the predefined value and take the necessary actions. The external interrupt monitor will be triggered if an external interrupt is detected. The device will respond accordingly and take the necessary actions.

Conclusion

The SP708TCN-L/TR is a feature packed, highly reliable and cost-effective solution for controlling the power up and power down process of the processor. Its ability to monitor the input power and the external interrupt makes it an invaluable device for various applications including computers, mobile phones, tablets, automotive electric systems, home appliances, and electronic toys. It is thus an ideal choice for providing additional protection for microprocessors and other digital circuits.

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