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Power Supply for 5G Infrastructure

Overview

Description

Global demand for high-speed, reliable connectivity continues to surge as 5G networks expand rapidly, with connections projected to reach billions. Managing power in 5G networks is complex, requiring high efficiency, low noise, and the ability to handle high-density deployments and diverse operational conditions. Renesas' 5G power supply system addresses these needs and is compatible with the -48V Telecom standard, providing optimal performance, reduced energy consumption, and robust operation in high-density network environments.

System Benefits​:

  • High-efficiency advanced power management reduces energy consumption and enhances overall system performance
  • Reliable operation in demanding 5G network conditions
  • Scalable for different 5G applications from small cell deployments to large-scale base stations
  • Wide input voltage range support including the -48V Telecom standard ensures compatibility with diverse infrastructure setup
  • Ultra-low noise high PSRR LDO meets strict requirements for RF and timing components in 5G systems

Comparison

Applications

Block Diagram

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4:3 ratioSheet.1Sheet.2Sheet.3Sheet.4EU112EU112EU112InputSignal GroundSheet.10Sheet.11Sheet.12Sheet.13Sheet.14Capacitor Non-polarizedSheet.16Sheet.17Sheet.18Sheet.19Inductor Coreless (Air conductor)Sheet.21Sheet.22Sheet.23Sheet.24Sheet.25Sheet.26Sheet.27Sheet.28Sheet.29Sheet.51Sheet.52Sheet.54Sheet.56Sheet.57Sheet.59Sheet.60Sheet.62Sheet.63Connector 1.160Connector 1.160.66Aux PowerAux PowerAux PowerSheet.73Sheet.74Half-Bridge Driver 3Half-Bridge DriverHalf-Bridge Driver Feedback CircuitFeedback CircuitFeedback CircuitStep Down 2Step DownStep DownLDO 2LDOLDOLow Side DriverLow Side DriverLow Side DriverInput.104Level ShifterLevel ShifterLevel ShifterSheet.108Sheet.111Sheet.85Sheet.86Sheet.87Sheet.88Sheet.89Sheet.90Sheet.91Sheet.92Sheet.93Input.106Sheet.107Sheet.116Sheet.67Connector 1.68Sheet.119Connector 1.120Sheet.121DC/DCDC/DCDC/DCSheet.122Sheet.123Sheet.124Sheet.125Sheet.126Sheet.127Sheet.128Sheet.129Sheet.133Sheet.220Sheet.221Sheet.222Sheet.223Sheet.224Sheet.225Connector 1.160.226Connector 1.160.227Sheet.229Sheet.234Sheet.235Input.238Sheet.240Input.242Sheet.243Sheet.244Sheet.248Signal Ground.249Sheet.250Sheet.251Sheet.252Sheet.253Sheet.254Connector 1.160.255Sheet.256 VIN-VIN-VIN--48V typ. (Telecom Convention)-48V typ. (Telecom Convention)-48V typ.(Telecom Convention) Vout-Vout-Vout-VIN+VIN+VIN+4V/2Amax4V/2Amax4V/2Amax Vout+Vout+Vout+3.3V/2Amax3.3V/2Amax3.3V/2Amax35~55V35~55V35~55VOptionalSignal Ground.275Sheet.276Sheet.277Sheet.278Sheet.279Sheet.280Connector 1.281Sheet.282Connector 1.289Capacitor PolarizedSheet.291Sheet.292Sheet.293Sheet.294Sheet.295Sheet.296Connector 1.297Sheet.303Sheet.304Sheet.317Sheet.306Sheet.307Sheet.308Sheet.309Sheet.310Sheet.311Sheet.312GroundSheet.315Sheet.316Sheet.329Sheet.331Sheet.333Sheet.334Sheet.335Sheet.336Sheet.337Input.106Input.342Sheet.343Input.345Sheet.346Signal Ground.348Sheet.349Sheet.350Sheet.351Sheet.352Sheet.353Connector 1.354Sheet.355Connector 1.356Capacitor Polarized.357Sheet.358Sheet.359Sheet.360Sheet.361Sheet.362Sheet.363Connector 1.364Sheet.370Sheet.372Connector 1.373Sheet.374Connector 1.375Sheet.376Sheet.377Sheet.379Sheet.380Sheet.381Sheet.382Sheet.383Sheet.384Sheet.385Sheet.386Sheet.387Sheet.388Connector 1.160.389Sheet.390Sheet.391Input.106Sheet.393GroundSheet.396Sheet.397Sheet.399Sheet.400Sheet.401Sheet.402Sheet.403Sheet.404Sheet.405Sheet.406Sheet.407GroundSheet.409Sheet.410Sheet.412Sheet.414Sheet.416Sheet.417Sheet.418Sheet.419Sheet.420Inductor Coreless (Air conductor).421Sheet.422Sheet.423Sheet.424Sheet.425Sheet.426Sheet.427Sheet.428Sheet.429Sheet.430Sheet.431Sheet.432Sheet.433Sheet.434Sheet.435Sheet.436Sheet.443Sheet.444PWM from MCUPWM from MCUPWM from MCU VIN-VIN-VIN- VIN-VIN-VIN-Sheet.448 RTNRTNRTN Vout-Vout-Vout-Sheet.451Sheet.452Sheet.454Connector 1.160.455Sheet.456Connector 1.160.457Capacitor Non-polarized .458Sheet.459Sheet.460Sheet.461Sheet.462Sheet.463 VIN-VIN-VIN-Sheet.465Sheet.4663.3V2Amax3.3V2Amax3.3V2Amax4V/2Amax4V/2Amax4V/2AmaxRTNRTNRTN-35V~ -60V-35V~ -60V-35V~ -60V VIN-VIN-VIN-VIN+VIN+VIN+Step Down 1Step DownStep DownHalf-Bridge Driver 1Half-Bridge DriverHalf-Bridge DriverLDO 1LDOLDOFeedback CircuitFeedback CircuitFeedback CircuitVoltage Adjusting CircuitVoltage Adjusting CircuitVoltage Adjusting CircuitAux PowerAux PowerAux PowerHalf-Bridge Driver 2Half-Bridge DriverHalf-Bridge DriverControllerControllerControllerSheet.473Sheet.479Sheet.477Sheet.478Input.480Sheet.481
Exiting Interactive Block Diagram

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