A Novel Hysteresis Control Strategy Based on Ampere-Second Balance of the Modulate Capacitor

Jin-Bin Zhao; Jian-Feng Dai; Ke-Qing Qu; Fen Li

A Novel Hysteresis Control Strategy Based on Ampere-Second Balance of the Modulate Capacitor

Vol. 14, No. 6, pp. 1263-1271, Nov. 2014

10.6113/JPE.2014.14.6.1263

Ampere-second

Buck converter

fast transient response

Hysteresis control

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Abstract

A novel hysteresis PWM control strategy for synchronous buck converter is proposed. The proposed control strategy is based onampere-second balance of the modulate capacitor, which not only offers faster transient response to meet the challenges of the powersupply requirements of fast dynamic load changes, but also provides better stability and solves the compensation problem of erroramplifier in the conversional voltage PWM control. Finally, the steady-state and dynamic operation of the control method isanalyzed and verified by simulation and experimental results.

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Cite this article

[IEEE Style]

J. Zhao, J. Dai, K. Qu, F. Li, "A Novel Hysteresis Control Strategy Based on Ampere-Second Balance of the Modulate Capacitor," Journal of Power Electronics, vol. 14, no. 6, pp. 1263-1271, 2014. DOI: 10.6113/JPE.2014.14.6.1263.

[ACM Style]

Jin-Bin Zhao, Jian-Feng Dai, Ke-Qing Qu, and Fen Li. 2014. A Novel Hysteresis Control Strategy Based on Ampere-Second Balance of the Modulate Capacitor. Journal of Power Electronics, 14, 6, (2014), 1263-1271. DOI: 10.6113/JPE.2014.14.6.1263.