ISL68201IRZ-T

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Introduction

The ISL68201IRZ-T is an extraordinarily powerful, ultra fast, all digital programmable multi-rail synchronous buck DC-DC controller for industrial, automotive, computing and telecom applications. It contains a combination of control loop, power conversion, and protection features designed to produce efficient and reliable power converters with minimal external components.

Application Field

The ISL68201IRZ-T is ideal for many applications including DC-DC switching, battery management systems, and converters. It is suitable for power supplies and systems needing fast, accurate, and efficient voltage regulation and current control.

In applications where high accuracy is required, the ISL68201IRZ-T offers an impressive mix of features including high gain, fast loop operation, time-saving control loop configuration, and precision voltage control. With advanced signal conditioning, excellent power regulation, and versatile fault protection, the controller has exceptional performance and reliability.

The combination of the ISL68201IRZ-T features, including its multiple output slew rate control, multifunction damping, and adjustable transient response, make for a high accuracy and reliable supply for both synchronous and non-synchronous operation.

The combination of fast response, accurate current control, and advanced signal conditioning makes the ISL68201IRZ-T ideal for automotive and industrial applications, as well as for telecom and computing platforms.

Working Principle

The ISL68201IRZ-T uses a patented Digital Control Loop (DCL) architecture to precisely control the DC-DC switching. This integrated architecture allows the controller to seamlessly and quickly respond to input voltage changes, output voltage load transients and load changes, while delivering smooth and efficient power conversion with minimal external components.

In power supply applications, the controller integrates a low-side power switch, compared to legacy fixed frequency PWM control systems, which generally use a high side switch. This design optimizes the converter’s efficiency, cycle-by-cycle current limit accuracy, and thermal performance.

In addition, the ISL68201IRZ-T features a proprietary pulse-width modulation (PWM) algorithm commonly known as “Damped PWM” which increases the current-handling capability of the system. This algorithm eliminates production of high-frequency stress currents that can cause system noise and premature power supply failures.

The ISL68201IRZ-T’s fault protection features provide system-level reliability. The controller integrates multiple fault protection components such as a current limit, output voltage monitor and over-temperature detector. If a fault occurs, the system will take corrective action to ensure the safety of the equipment and the user.

Conclusion

In conclusion, the ISL68201IRZ-T is an ideal DC-DC switching and regulation controller solution for demanding industrial, automotive, computing and telecom applications. It is equipped with the necessary features to ensure highly efficient, reliable and safe operation. It offers an impressive mix of fast response, accuracy, and advanced signal conditioning making it an ideal choice for leading edge converters and systems.

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