SESSION 8 - Hybrid DC-DC Converters.pdf

1、ISSCC 2024SESSION 8Hybrid DC-DC ConvertersA 94.5%-Peak-Efficiency 3.99W/mm2Power-Density Single-Inductor Bipolar-Output Converter with a Concise PWM Control for AMOLED DisplaysJi Jin*1,Weiwei Xu*2,Lin Cheng1,21University of Science and Technology of China,Hefei,China2Hefei CLT Microelectronics,Hefei

2、,China 2024 IEEEInternational Solid-State Circuits Conference8.1:A 94.5%-Peak-Efficiency 3.99W/mm2 Power-Density Single-Inductor Bipolar-Output Converter with a Concise PWM Control for AMOLED Displays1 of 48Outline Motivation Proposed SIBO Converter Measurement Results and Comparison Conclusions Pow

3、er Stage Concise PWM Controller 2024 IEEEInternational Solid-State Circuits Conference2 of 488.1:A 94.5%-Peak-Efficiency 3.99W/mm2 Power-Density Single-Inductor Bipolar-Output Converter with a Concise PWM Control for AMOLED DisplaysOutline 2024 IEEEInternational Solid-State Circuits Conference3 of 4

4、8 Motivation Proposed SIBO Converter Measurement Results and Comparison Conclusions Power Stage Concise PWM Controller8.1:A 94.5%-Peak-Efficiency 3.99W/mm2 Power-Density Single-Inductor Bipolar-Output Converter with a Concise PWM Control for AMOLED DisplaysMotivationAMOLED displays are widely used f

5、or their high display quality 2024 IEEEInternational Solid-State Circuits Conference4 of 48Mobile PhonesWearable Devices8.1:A 94.5%-Peak-Efficiency 3.99W/mm2 Power-Density Single-Inductor Bipolar-Output Converter with a Concise PWM Control for AMOLED DisplaysBipolar rails supply are required to driv

6、e OLEDSingle-inductor bipolar-output converters with small voltage ripple are preferredVSCANVDATAVINSingle Inductor Bipolar Output(SIBO)DC-DC Converter LLi-ionBatteryVOPCONCOPVONIOLEDNominal 3.7V4.6V 4.9VAMOLED Pixel=2()2MotivationAMOLED displays are widely used for their high display quality 2024 I