专门满足能量收集PMIC的要求

　　专门满足能量收集PMIC的要求

　　需要有效的电源管理需要特别紧急的能量收集应用程序，因为不规则的能源输出的大多数环境源。因此，电源管理IC（PMIC）管理收获的能量输出和提供电压和电流所需的水平起着至关重要的作用。工程师负责建立能量收集的设计，包括电源管理功能往往意味着专业PMIC可从制造商包括模拟设备，Intersil，线性技术相对简单的加法，德克萨斯文书，其中。

　　能量收集可以提供一个几乎永久的电源，但从环境源的能量变化需要仔细管理的电压和电流传递到负载。同时，传统的PMIC用于电子产品提供，通常不是简单的能量收集设计所需，会增加不必要的负担已经严格的功率预算功能丰富的设置。

　　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