MAX6887HETE+

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PMIC, which stands for Power Management Integrated Circuit, are integrated circuits and board level components that manage the power requirements of an electronic system. The MAX6887HETE+ is a PMIC and Supervisor integrated circuit, designed to provide extra voltage protection and level-shifting to buffer power supplies from excessive power. This integrated circuit is typically used in embedded systems and servers, and is suitable for a number of applications.

Applications

The MAX6887HETE+ is designed to protect the power supply from over-voltage and over-current conditions, making it ideal for high-power applications such as embedded systems and servers. The integrated circuit is also suitable for voltage level-shifting, buffer power supplies and other safety applications. In addition, the integrated circuit is able to provide dual supply ±15V protection with ±15V buffer outputs. It features a watchdog timer and complementary supervisor output, voltage-independent trip point, +15V and ±15V buffer outputs, adjustable over-current trip point and a fast debounce counter.

Working principle

The MAX6887 is built to provide over-voltage and over-current protection to the system power supply. The integrated circuit is able to detect over-voltage and over-current conditions and then automatically shut down the system to prevent damage caused by these conditions. The over-voltage and over-current detection is based on an adjustable trip point, which is set by an external resistor. This adjustable trip point provides system engineers flexibility to meet their exact requirements.

In order to provide additional protection, the integrated circuit also features a voltage-independent trip point and a fast debounce counter. The voltage-independent trip point enables power supplies to accurately detect high current events such as inductive spikes. The fast debounce counter provides system engineers with the confidence that the MAX6887 will accurately detect dangerous conditions.

The integrated circuit also features a watchdog timer which enables the system to monitor for any activity on the main voltage rails. If the integrated circuit does not detect any activity on the voltage rails, it will issue a reset signal to the system. This feature helps to prevent the system from entering an unstable state due to a lack of power.

Finally, the integrated circuit provides users with dual supply ±15V protection with ±15V buffer outputs. This allows for voltage level-shifting and other safety applications, ensuring that the system power supply is protected from unexpected power fluctuations.

Conclusion

The MAX6887HETE+ is a PMIC and supervisor integrated circuit specifically designed to provide over-voltage and over-current protection to the system power supply. The integrated circuit also features a voltage-independent trip point, a fast debounce counter and a watchdog timer. Furthermore, the integrated circuit provides users with dual supply ±15V protection with ±15V buffer outputs. This makes it ideal for applications such as embedded systems and servers.

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