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P9511RQGJ Datasheet(PDF) 1 Page - uPI Group Inc. |
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P9511RQGJ Datasheet(HTML) 1 Page - uPI Group Inc. |
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1 / 19 page  uP9511R 1 uP9511R-DS-F0000, Oct. 2017 www.upi-semi.com 8/7/6/5/4/3/2/1-Phase Synchronous-Rectified Buck Controller for Next Generation GPU Core Power Support NVIDIA’s Open VReg Type 8 PWMVID Technology Selectable 8/7/6/5/4/3/2/1-Phase Operation by Hardware Setting Differential Remote Voltage Sensing Continuous Inductor DCR Current Sensing Voltage Adjustment Switching Frequency Adjustment Operating Phase Number Adjustment Adjustable Current Balancing by R DS(ON) Current Sensing Adjustable Soft-Start Optimize for Phase Extension Application Channel Current Limit Protection Over/Under Voltage Protection Over Temperature Protection RoHS Compliant and Halogen Free General Description Applications Features Pin Configuration The uP9511R is an 8/7/6/5/4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9511R provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so it is optimally positioned for a load current transient. The uP9511R supports NVIDIA Open Voltage Regulator 8 with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The uP9511R adopts continuous total DCR current sensing for load line programming. The uP9511R provides hardware setting to adjust the operating phase number in different load current state. The uP9511R uses MOSFET R DS(ON) current sensing for channel current balance. Other features include adjustable soft-start, channel current limit, under voltage protection, over voltage protection and power good output. The uP9511R is available in VQFN5x5- 40L package. r e b m u N r e d r Oe g a k c a Pg n i k r a M p o T J G Q R 1 1 5 9 P uL 0 4 - 5 x 5 N F Q VR 1 1 5 9 P u Ordering Information Note: (1) Please check the sample/production availability with uPI representatives. (2) uPI products are compatible with the current IPC/ JEDEC J-STD-020 requirements. They are halogen-free, RoHS compliant and 100% matte tin (Sn) plating that are suitable for use in SnPb or Pb-free soldering processes. Middle-High End GPU Core Power Supplies VID FB ISEN7 PGOOD 41 GND 14 13 12 11 REFADJ ISEN8 ISEN6 15 PROG3 ISEN5 16 ISEN4 17 ISEN3 ISEN2 ISEN1 18 PWM1 19 5VCC 20 FBRTN PSI EN LPC PROG4 37 38 39 40 36 35 34 33 32 31 |
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