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锂电池在便携式军事应用中的能量管理
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锂电池在便携式军事应用中的能量管理
战场上的士兵的背负式设计的快速移动数字技术的进展。一方面，部队需要有效的通信和即时获取战略信息。另一方面，设备需要在极端条件下生存，但保持便携性，在性能上没有妥协。
图1：对于数字战场上的现代士兵来说，可靠的电子装备和有效武器一样重要。
锂电池长期以来被认为是军用战场上便携式设备的最佳电源。虽然专业级的军用一级锂电池不容易用于商业用途，但也有一些商用级单元被指定以满足极端温度的要求，可用于类似坚固的应用场合。从塔迪兰电池TL系列就是一个例子。
However， rechargeable lithium batteries are now becoming more viable as power densities have increased and costs reduced. A key advantage is that they can be recharged from a variety of power sources， including portable and wearable solar panels and other energy-harvesting sources.
Power management is a critical issue in such applications， and military systems tend to use switching DC/DC conversion technology based on a buck-boost topology. These power management techniques are eminently transferable to commercial systems requiring battery charging by exploiting energy harvesting. Typical solutions include Linear Technology’s LTC3127 DC/DC buck-boost converter and LTC3105 DC/DC converter， and Texas Instruments’ extended temperature range REG71050DDCT switched capacitor voltage converter and BQ24650 battery charge controller.
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