ISL6590 is an Intersil multi-phase PWM controller for core voltage regulation. The controller provides high bandwidth, optimal control frequency response, noise immunity and active transient response control algorithms. The design is fully scalable to control up to six phases, each featuring the Intersil ISL6580 intelligent power stage. The user can configure and monitor the power system via the Asynchronous Serial Interface (ASI). The ISL6590 controller flexibility can be extended with the addition of an external EEPROM for updating key circuit operating parameters in the control loop and overall system design. The digital architecture reduces the design time for engineers with the use of our software. The software allows the designer the freedom to choose output stage components and still achieve optimized system performance. The ISL6590 digital controller communicates with the ISL6580 integrated power stage via serial bus.
The Intersil ISL6590 is a digital multi-phase PWM controller designed for processors operating above 1 GHz. It offers intelligent digital control with high bandwidth and optimal frequency response, capable of controlling up to six ISL6580 intelligent power stages.
The device features an open architecture with software-programmable control loop compensation via an Asynchronous Serial Interface (ASI). Users can configure parameters such as VID reference, active transient response levels, and MOSFET dead time. An optional external EEPROM allows for updating key circuit operating parameters.
| Output voltage regulation range | 0.8375V to 1.600Vdc |
|---|---|
| Switching frequency | 250kHz to 1MHz |
| Maximum system current | 120A total |
| Package type | 64 Ld 9x9 QFN |
The output voltage regulation range is from 0.8375V to 1.600Vdc.
The controller is scalable for controlling up to six phases.