PDP能量恢复电路硬开关问题的研究.pdfVIP

第 30 卷 　第 2 期 电 子 器 件 Vol. 30 　No . 2 2007 年 4 月 　　　 Ch inese J ou r nal Of Elect ro n D evices 　　 Ap r . 200 7 Analysis on Har Switching Problem in Ener gy Recover y Circuit f or Pla sma Display Panel Z H OU J i2pen g , CA O Yu n , S U N Wei2f eng , WO J i an2h ui ( N a ti on a l A S I C Sy st em En gin eer i ng T echn olo gy Rese ar ch Center , Sout h ea st Uni v er si t y , N anj i ng 2 10096 , Chin a ) Abstr act :Pla sma Disp lay Panel s ( PDP ) w ill con sume so m uch e ner gy wit hou t ener gy r ecovery ci r cui t ( ERC) t hat t hey w il l not be u se w i ely , so ERC is t he very i mp orta nt p art of t h e whole r iver ci rcuit for PD P . The main p ower swi tche s might be t u rne on u n er har swi tchi ng i n E RC for PDPs , w hich r esult s i n exces si ve sur ge cu rr ent , ser iou s EM I p ro bl em an po or ci rcui t ch ar act er cap abilit y. Th e h ar swi tchi ng p r oblem has bee n one of t he emp hases i n r esear ch of PD P . The r ea son for ha r swit chin g is i n icat e by a2 n al ysi s of t h e E RC an it s p ar asitic compone nt s in t his p ap er . By t h e an al ysi s , i t i s k now n t hat t he pa ra si t2 ic effect is t he mai n reason of t h e ha r swi tchi ng of mai n M O SF E T s. Base o n t hat , so me sy st emi c sol u2 t ion s a re p r esen te also . Key wor s :p lasma isp lay p anel ( PDP) ;en er gy r ecover y ci rcuit ( ERC) ;h ar sw itchi ng ;zero vo lt age swit c2 hi ng ( ZV S) E EACC :725 0 G; 7 260 PD P 能 量 恢 复 电 路 硬 开 关 问 题 的 研 究 周吉鹏 ,曹 　允 ,孙伟峰 ,吴建辉 ( 东南大学国家专用集成电路系统工程技术研究中心 , 南京 2100 96) 摘 　要 :等离子显示器在没有能量恢复电路的情况下 ,功耗很 大 ,不 能广泛 实用 , 因此能量恢复 电路是驱动电路中至关重要 的部分 . 能量恢复电路中的高压开关 MO SF