用于AMOLED显示器驱动的SIBO DC-DC变换器设计

2018 14th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME) Pub Date : 2018-07-01 DOI:10.1109/PRIME.2018.8430357

F. Boera, A. Salimath, E. Bonizzoni, F. Maloberti

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引用次数: 1

摘要

介绍了一种用于有源矩阵有机发光二极管(AMOLED)显示器的单电感双极输出(SIBO) DC-DC变换器。该电路能够用单个电感产生开启AMOLED像素所需的正、负电压，并且不需要额外的后调节技术。该电路的输入电压范围为2.4 V ~ 4.9 V，兼容锂离子电池，可产生+ 5v和- 6v电压。负载最大输出电流为0.6 A。开关频率为2mhz，控制回路采用电压控制模式(VCM)。在Matlab-Simulink的行为层面上验证了基于单电感器的方案的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of a SIBO DC-DC Converter for AMOLED Display Driving

This paper describes a Single Inductor Bipolar Outputs (SIBO) DC-DC converter for Active Matrix Organic Light Emitting Diode (AMOLED) displays. The circuit is able to generate with a single inductor both the positive and the negative voltage necessary to turn on the AMOLED pixels and does not require the addition of post-regulation techniques. The circuit works with an input battery voltage ranging from 2.4 V to 4.9 V, compliant with Li-Ion batteries, and is able to generate + 5 V and −6 V. The maximum output current delivered to the load is 0.6 A. The switching frequency is 2 MHz and the control loop has been implemented in Voltage Control Mode (VCM). The effectiveness of the single inductor based scheme has been verified at the behavioral level in Matlab-Simulink.

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2018 14th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

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