專門滿足能量收集PMIC的要求

　　需要有效的電源管理需要特別緊急的能量收集應(yīng)用程序，因為不規(guī)則的能源輸出的大多數(shù)環(huán)境源。因此，電源管理IC（PMIC）管理收獲的能量輸出和提供電壓和電流所需的水平起著至關(guān)重要的作用。工程師負(fù)責(zé)建立能量收集的設(shè)計，包括電源管理功能往往意味著專業(yè)PMIC可從制造商包括模擬設(shè)備，Intersil，線性技術(shù)相對簡單的加法，德克薩斯文書，其中。

　　能量收集可以提供一個幾乎永久的電源，但從環(huán)境源的能量變化需要仔細(xì)管理的電壓和電流傳遞到負(fù)載。同時，傳統(tǒng)的PMIC用于電子產(chǎn)品提供，通常不是簡單的能量收集設(shè)計所需，會增加不必要的負(fù)擔(dān)已經(jīng)嚴(yán)格的功率預(yù)算功能豐富的設(shè)置。

　　Energy-harvesting PMICs are no less sophisticated devices than their general-purpose counterparts， but these devices are designed to provide the more limited set of functions required for these applications. Unlike power-management requirements found in more traditional applications， energy-harvesting PMICs， at a minimum， need the ability to manage power from very low energy sources and deliver regulated voltage at useable levels. Since energy source fluctuations can cause power levels to drop below useable levels， these devices typically need to also provide a “power-good” signal that indicates when regulated output exceeds some minimum threshold. Beyond those fundamental capabilities， PMICs intended for energy-harvesting designs present a set of specialized features and capabilities tuned to these applications