ISL6373CRTZ-T

The ISL6373 is an EAPP Hybrid Digital 4-Phase PWM controller and is designed to be compliant to Intel VR12. 5/VR12 specifications and control the microprocessor core or memory voltage regulator. It includes programmable functions and telemetries for easy use, high system flexibility and overclocking applications using SMBus, PMBus, or I2C interface, which is designed to be conflict free with the CPU’s SVID bus. This hybrid digital approach eliminates the need of NVM and Firmware often seen in a full digital

Key Features

• Intel VR12.5/VR12 compliant
• SerialVID with programmable IMAX, TMAX, BOOT, ADDRESS OFFSET registers
• VR12.5 core and VR12/VR12.5 memory
• Intersil's proprietary EAPP Hybrid Digital Enhanced Active Pulse Positioning (EAPP) Modulation Scheme (Patented)
• SMBus/PMBus/I²C interface with SVID conflict free
• NVM and firmware free for low cost and easy use
• Auto phase shedding option for greener environment
• Variable frequency control during load transients to reduce beat frequency oscillation
• Linear control with evenly distributed PWM pulses for better phase current balance during load transients
• Voltage feed-forward and ramp adjustable options
• High frequency and PSI compensation options
• Proprietary active phase adding and dropping with diode emulation scheme for enhanced light load efficiency
• 1 to 4-phase with phase doubler compatibility
• Differential remote voltage sensing
• ±0.5% closed-loop system accuracy over load, line and temperature
• Programmable 1 or 2-phase operation in PSI1 mode
• Programmable slew rate of fast dynamic VID with Dynamic VID Compensation (DVC)
• Droop and diode emulation options
• Precision resistor or DCR differential current sensing
• Integrated programmable current sense resistors
• Accurate load-line (droop) programming
• Accurate current monitoring and channel-current balancing
• True Catastrophic Failure Protection (CFP)
• Average overcurrent protection and channel current limit with internal current comparators
• Precision overcurrent protection on IMON pin
• Output voltage open sensing protection
• Protection disable option
• Accurate load-line (droop) programming
• Up to 2MHz per phase
• Thermal monitoring and integrated compensation
• Start-up into pre-charged load
• Pb-free (RoHS compliant)