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PM6766 Datasheet(PDF) 1 Page - STMicroelectronics |
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PM6766 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 3 page For further information contact your local STMicroelectronics sales office. March 2014 DocID026061 Rev 1 1/3 PM6764, PM6766 VR12.5™ digital multiphase controller with PMBus™ Data brief Features PM6764: 4-phase compact digital controller PM6766: 6-phase compact digital controller VR12.5™ compliant with 25 MHz SVID bus rev. 1.2, serial-VID with programmable IMAX, TMAX, VBOOT, ADDRESS High-performance digital control loop (digital STVCOT™) Fully configurable through PMBus™ Flexible driver/DrMOS support Single NTC design for TM, LL and IMON thermal compensation DPM - dynamic phase management Remote sense; 0.5% Vout accuracy with calibration Current sense across DCR with calibration Autocalibration capability for current and voltage sense Programmable voltage positioning OV, UV and FB disconnection protection Embedded non-volatile memory (NVM) Black box recorder PM6764: VFQFPN28 4 x 4 mm package PM6766: VFQFPN40 5 x 5 mm package Applications High current power regulation for VR12.5 based Intel® based microprocessors DDR memory power regulation for VR12.5 based Intel based systems Description The PM6764/66 is a high performance digital controller designed to power Intel’s VR12.5 processors (PM6766) and memories (PM6764): all required parameters are programmable through a PMBus™ interface. The device utilizes digital technology to implement all control and power management functions to provide maximum flexibility and performance. The NVM is embedded to store custom configurations. The PM6764/66 device features up to 4/6-phase programmable operation. The PM6764/66 supports power state transitions featuring VFDE, and programmable DPM maintaining the best efficiency over all loading conditions without compromising transient response. The device assures fast and independent protection against load overcurrent, under/overvoltage and feedback disconnections. The device is available in VFQFPN28 4 x 4 mm (PM6764) and VFQFPN40 5 x 5 mm (PM6766) packages. VFQFPN28 4 x 4 mm VFQFPN40 5 x 5 mm Table 1. Device summary Order code Package Packing PM6764 VFQFPN28 4 x 4 mm Tray PM6764TR Tape and reel PM6766 VFQFPN40 5 x 5 mm Tray PM6766TR Tape and reel www.st.com |
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