FT7521L6X Integrated Circuits (ICs)

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FT7521L6X Application Field and Working Principle

FT7521L6X is a high-precision voltage supervisor to enhance the system stability and accuracy of power management in peripheral and embedded applications. It is classified as part of PMIC - Supervisors, which refers to a system of integrated circuits for monitoring power in the subsystems.FT7521L6X can provide tight voltage regulation and adjustability for device powered systems.

FT7521L6X Features

FT7521L6X features a 6V minimum operating voltage range, temperature compensated voltage monitor, hysteretic startup request and reset release. It also has an adjustable reset output delay and small in-package size.

FT7521L6X Applications

FT7521L6X has applications in a range of consumer and industrial electronics, both inside and outside of the programmable logic industry. It is commonly used in system power supplies, high performance graphic cards, battery powered devices, hard disk monitors, high performance PC gaming systems.

FT7521L6X Working Principle

FT7521L6X works via a voltage monitor which compares an adjustable trip point with an internal temperature compensated reference voltage. Whenever the monitored voltage is below the trip point, the output of the monitor changes thereby producing an output signal. An adjustable delay timer is then used to filter or delay this output signal. The delay timer can be adjusted from 0.02ms to 5ms through an external capacitor. The delay time is the time taken for the output signal to go from low to high. This signal can then be used to enable or prevent any programming functions.

Conclusion

FT7521L6X is an advanced voltage supervisor, falling under PMIC - Supervisors. It has a range of features such as a 6V minimum operating voltage range, adjustable reset output delay and temperature compensated voltage monitor. It is most popularly used in the consumer, industrial and the programmable logic industry. The working principle of FT7521L6X involves a voltage monitor which is compared to an adjustable trip point, with an adjustable delay timer used to filter the output signal.

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