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ԴĻ֪ʶ

Դǿֱװӡˢ·ϵĵԴӦصǿΪרüɵ·ASICźŴ(DSP)΢洢ֳɱ(FPGA)ֻģ⸺ṩһ˵Ϊص(POL)ֵԴӦϵͳʹõԴӦϵͳ(PUPS)ʽṹŵԴ㷺ڽ豸豸ƶͨѶ΢ͨѶԼ⴫·ͨպ

ҵķٷչͷֲʽϵͳIJƹ,ԴѾһεԴŰ뵼幤װ͸ƵصĴʹ,ԴܶԽԽ,תЧԽԽ,ӦҲԽԽ

ڿصԴDZ߿ص߿رƵ໥ٽƶſصԴÿԳλֵС߿ɿŵķչصԴɷΪAC/DCDC/DCDC/DC任ʵ黯Ƽڹѳͱ׼ѵõûϿAC/DC黯ʹ黯ĽΪӵļ͹·ֱ࿪صԴĽṹԲ

DC/DC任ǽ̶ֱѹ任ɿɱֱѹҲΪֱննĹʽһƷʽTsıton(ͨ)Ƶʵƣ1Buck·——ѹնƽѹ

U0СѹUiͬ

2Boost·——ѹնƽѹ

U0ѹUiͬ

3BuckBoost·——ѹѹն

ƽѹU0ڻСѹUi෴д

4Cuk·——ѹѹնƽ

ѹU0ڻСѹUi෴ݴ

SepicZeta·

ΪǸ͵·͵···ŵ·ȫŵ··

ؼʹDC/DCʵķԾVICOR˾ĶECIDC/DC任300W600W800WӦĹܶΪ(6.21017)W/cm3ЧΪ8090ձNemicLambda˾ƳһֲؼĸƵصԴRMϵ俪ƵΪ200300)kHzܶѴﵽ27W/cm3ͬMOSFETФػܣʹ·Чߵ90

2.2AC/DC任

AC/DC任ǽ任Ϊֱ书˫ɵԴصijΪ“”ɸطصԴijΪ“Դ”AC/DC任Ϊ50/60HzĽ뾭˲Խϴ˲DZزٵͬʱȫ׼ULCCEEȣEMCָƣIECFCCCSAEMC˲ʹ÷ϰȫ׼ԪAC/DCԴСͻڲĸƵѹضʹýEMCżѶȼӴҲͶڲܶȰװ·˺ܸߵҪͬԭߵѹʹõԴAC/DC任黯Ľ˱õԴϵͳŻƷʹ乤Чʴﵽһ̶

AC/DC任·Ľ߷ʽɷΪ벨·ȫ·ԴɷΪ·ֿɷΪһ

صԴѡ

صԴ뿹·ṹص㣨༶һӿѹͨѹȶһָԵԴȾнϴѹȶȿɴ(0.51صԴΪһֵӼѡӦע¼㣺

3.1ѡ

򿪹صԴЧʸһɴﵽ80ѡӦ׼ȷõ豸յʹѡõĿصԴиߵܼ۸ͨ㹫ʽΪ

ʽУIs—صԴĶ

If—õ豸յ

K—ԣϵһȡ1.51.8

3.3·

صԴбй·ȱʱӦѡ뱸ĿصԴ䱣·ļӦõ豸ĹƥԱõ豸򿪹صԴ

Դļָ

P=UI,ѹij˻

ѹֱֽ2

ѹһֱҲн

ѹǽе·ϵķ¼ã

һ任

Ϊ˷ֹ໥ţ

·ź̫źſǿ豸

װߴвƬ

е·˫··Դǿֱװӡˢ·ϵĵԴӦصǿΪרüɵ·ASICźŴ(DSP)΢洢ֳɱ(FPGA)ֻģ⸺ṩһ˵Ϊص(POL)ԴӦϵͳʹõԴӦϵͳ(PUPS)ʽṹŵԴ㷺ڽ豸豸ƶͨѶ΢ͨѶԼ⴫·ͨպ


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