DCON26_SLIDES_Track06_HowZeroBiasDiscreteTLVRMaximizesRevenueonProductBoards_33_112.pdf

1、Welcome to ConferenceFebruary 2426,2026Santa Clara Convention CenterExpoFebruary 2526,2026 1How Zero-Bias Discrete TLVRMaximizes Revenue on Product BoardsGongshan Gu,(Monolithic Power Systems)Ze Zhang,(Monolithic Power Systems)Ying Zhang(Bytedance),Pengfei Cheng(Bytedance)Wei Dai(Intel),Xiaoguo Lian

2、g(Intel)2ImageImage SPEAKERSGongshan GuApplication Engineer,Monolithic Power SGongshan Gu is an senior application engineer in MPS(Monolithic Power Systems).He focuses on power IC application on data center.Ze ZhangApplication Engineer,Monolithic Power SZe Zhang working as an application engineer in

3、 MPS,responsible for application of server power supply IC.3OutlineIntroduction&BackgroundZB-TLVR TopologyInductor AnalysisPCB LayoutTest Results&PerformanceBackground&Topology Introduction56Data Center ServersHigh-density computingHPC PlatformsRapid workload changes demanding fast responseAI Accele

4、ratorsMassive power spikes during model trainingMemory ControllersStable voltage for DDR4/DDR5 interfacesLow VoltageHigh CurrentHigh Power DensityUltra Fast Load TransientsHigh EfficiencyMain Target ApplicationTrans-inductor Voltage Regulator(TLVR)7 Advantages(compared to multi-phase buck)oUltra-fas

5、t transient response performanceoFewer output caps bring lower cost Disadvantages oThe current difference between primary side and secondary side makes TL acts like a traditional inductor.oTherefore ILm(current of magnetic inductance)of TL contains DC current bias causing TL Isat decrease as inducta

6、nce increase.oSwitching frequency still up to 600kHz-1MHz,even faster.Iout/niLm2PWM1PWM2iLm1iLciph2iph10AVINVINVINPH1PH2PHnLcTLiLm1iLm2Improve TLVR:Zero-Bias TLVR8VOUTVINVINVINPH1PH2PHnLcTLVINVINVOUTPH2LcVINPH1PHnTL9VINVINVINVINVOUTPH2PH3PHnLcVINPH1 Advantages(compared to TLVR)oNo DC bias,solve TL f