uP9512S Datasheet - uPI Semiconductor

uP9512S, 4/3/2/1-Phase Synchronous-Rectified Buck Controller

uP9512S 4/3/2/1-Phase Synchronous-Rectified Buck Controller with SMBus Digital Interface General .
Features The uP9512S is a 4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPU.

Features

* The uP9512S is a 4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9512S provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so

Applications

* Middle-High End GPU Core Power Supplies 24 23 22 21 20 19 18 17 FB 25 16 CSPSUM FBRTN 26 15 CSNSUM TSENSE 27 14 CSP1 SDA 28 SCL 29 33 GND 13 CSP2 12 CSP3 EN 30 11 CSP4 PSI 31 10 5VCC PGOOD 32 9 PWM1 / LL 12345 678 VID REFADJ REFIN VREF CH_OC PWM4 / APL2 PWM3 / APL1 PWM2 / APL_HYS

uP9512S-uPISemiconductor.pdf