ISL6522IRZR5190

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The ISL6522IRZR5190 is a voltage regulator controller manufactured by Intersil Corporation. It is a full-featured synchronous buck controller which provides a complete power solution for ASIC, FPGA, and other processor-driven systems. This device is part of the ISL6522 family, which includes dual and quad output products with a similar feature set. The ISL6522IRZR5190 is designed to simplify design tasks associated with Intermediate Bus Converter (IBC) architectures.

ISL6522IRZR5190 Application Field and Working Principle

The ISL6522IRZR5190 is designed for high performance processors running at up to 2GHz as well as ASICs and FPGAs. It can be used in processor-driven applications such as servers, communication base stations, networking, and embedded systems. The ISL6522IRZR5190 is suitable for high power designs and can deliver up to 6A of output current.

Application Field

The ISL6522IRZR5190 is a high current, high frequency synchronous buck controller whose features are ideal for processor-driven applications, including servers, communication base stations, networking, and embedded systems. It is also suitable for high power designs, providing up to 6A of output current. The device can support multi-rail systems, allowing designers to employ a single controller to manage multiple output rails.

Working Principle

The ISL6522IRZR5190 is a full-featured synchronous buck controller. It is based on a fixed frequency, current mode PWM control topology, with programmable frequency and reference voltage. The device provides advanced features such as cycle-by-cycle current limiting, adjustable slope compensation, UVLO, and programmable soft-start.

The ISL6522IRZR5190 is designed to provide a complete solution for IBC architectures. It offers two level power sequencing, allowing power-up and power-down sequencing, as well as programmable delay for each phase. The device also provides fault detection and protection functions such as Over-Temperature Protection and Short-Circuit Protection.

The ISL6522IRZR5190 features a dedicated Enable pin that allows the device to enter a low-power stand-by mode. This pin can be programmed to respond to logic level high and/or logic level low. During stand-by mode, the device will still be able to monitor and provide protection features.

The ISL6522IRZR5190 is capable of operating in both pulse frequency modulation (PFM) and pulse width modulation (PWM) modes. The device can be tuned to provide optimal efficiency. The device also features a remote sensing input, allowing for improved regulation even when using long or parasitic traces.

Conclusion

The ISL6522IRZR5190 is a full-featured synchronous buck controller designed for high performance processor-driven applications. It is part of the ISL6522 family, with a similar feature set. It provides programmable current mode PWM control with adjustable frequency and voltage, two level power sequencing, fault detection and protection, and adjustable PFM/PWM operation.

The ISL6522IRZR5190 is suitable for high power designs and delivers up to 6A of output current. It can also be used in multi-rail systems, allowing designers to manage multiple output rails with a single controller. The device is therefore an ideal solution for IBC architectures.

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