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嵌入式电源管理的新方法
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嵌入式电源管理的新方法
实现低功耗是很容易的。只要有可能，就把你的MCU放在床上睡觉。现在，单片机有着不同的睡眠模式，每一种都带来了自己独特的挑战。微芯片解释了这些不同的模式是如何工作的以及何时使用它们的。
随着越来越多的电子设备成为电池供电，保存这种权力已成为至高无上的。最近，制造商的微控制器（MCU）增加了通过电子开关控制电源的各种实现消费的新方式。”从芯片的部分去除，戏剧性的力量储蓄是可能的。此外，电压监测电路已经取得了进展，使它们可以连续使用，只消耗少量的电池电量。本文将探讨这些新兴技术，并提供一些关于何时以及如何使用这些技术的见解。
Simply sleeping is not enough
Traditionally， reduced power consumption has been accomplished in microcontroller-based applications by putting the MCU in sleep mode. This method has worked fine for many years; however， there are several trends that are now converging that make this solution inadequate.
More complexity has been added to MCUs in recent years along with the use of more advanced and therefore leaky， process nodes. Combine this with the market shift toward 10 to 20 year battery-powered applications such as utility meters， smoke detectors， and products associated with the green movement， and it becomes apparent that the traditional sleep mode is often no longer adequate. Extreme low-power is now required.
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