Stability analysis for integrated DC/DC converters

Xuefang Lin-Shi (1) , Bruno Allard (2) , Jinshun Bi (3) , Bo Li (3)

1 MIS - Ampère, Département Méthodes pour l'Ingénierie des Systèmes
2 EE - Ampère, Département Energie Electrique
3 CAS - Chinese Academy of Sciences [Beijing]

The paper presents a sampled-data based modeling approach for stability analysis of inductive integrated DC/DC converters including the control system. The model is built systematically and predicts possible sub-harmonic instabilities, period doubling and state bifurcations. It comes as an efficient tool for an IC designer and can be integrated easily inside the design flow. A step-down buck DC/DC converter is considered to illustrate the agreement between predictions and real converter behavior.

Mots clés: Switches; Jacobian matrices; Abstracts; Gold

Domaines: Automatique / Robotique; Energie électrique; Electronique

Xuefang Lin-Shi, Bruno Allard, Jinshun Bi, Bo Li. Stability analysis for integrated DC/DC converters. 12th IEEE ICSICT, Oct 2014, Guilin City, Guangxi Province, China. ⟨10.1109/ICSICT.2014.7021352⟩. ⟨hal-01985150⟩