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RFSoC gen2/gen3 Reference Design using Discrete Regulators

RFSoC gen2/gen3 Reference Design using Discrete Regulators

REFERENCE DESIGN

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AMD Xilinx part numbers

XCZU39DR
XCZU43DR
XCZU46DR
XCZU47DR
XCZU48DR
XCZU49DR

Overview

12Vin design (no intermediary regulator required)
Design can be easily scaled/modified for customer requirements
Common use of parts allow step and repeat for ease of design
Scalable 2 phase design (30A per ph) for high efficiency and fast transient response
Total system efficiency ~90%
Total solution size ~3.7 sqin including input & output Caps

MPS Products Used

Part Number	Quantity	Description
MP8796B-3333	2	16V, 30A, Scalable, Digital, Synchronous Step-Down Converter with PMBus
MP8770C	4	3V to 17V, 8A, Synchronous Step-Down Converter with Forced CCM
MP8904	2	500mA Linear Regulator
MP2332C	1	18V, 2A, 650kHz, Synchronous Step-Down Converter with PG, SS, and Forced CCM
MPM3683-7	2	2.7V-16V, 8A, Step-Down Power Module in QFN (7x7x4mm) Package
MPM3632C	3	18V Input, 3A Module, Synchronous, Forced CCM, Step-Down Converter with Integrated Inductor
MP20075	3	3A, DDR Termination Regulator
MCS1802	5	Cost Effective Hall Effect-Based Linear Current Sensor IC, 3.3V Supply
EVREF0102A	1	The EVREF0102A is the analog power module for the Zynq UltraScale+ RFSoC characterization kit. The EVREF0102 analog power module provides an ultra low-noise power supply for high-speed data converters.