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微电压调节器满足可穿戴电子空间限制

消耗积分:0 | 格式:rar | 大小:0.27 MB | 2017-06-07

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  微电压调节器满足可穿戴电子空间限制

  无线传感器内置眼镜,手表,运动跟踪,甚至衣服承诺革命性的连接和形成物联网的重要组成部分(物联网)。一些分析师预测,该行业的价值可能会达到1310亿美元惊人的2020美元。虽然可穿戴式电子产品是一个领先的技术,它只是一个空间约束的设计挑战工程师的最新例子。

  紧凑的产品把电源设计师,他或她将拿出一个强大的电路,特定的压力下,依靠微型电池和占用只有几十平方毫米的电源处理器、存储器、外围元器件,甚至一个渴求能源的显示。

  幸运的是,工程师可以利用新一代的微型DC / DC开关电压转换器(“稳压器”)。这些高度集成的电源模块适合微小的足迹,但提供效率和功能与更大的设备看齐。本文仔细考虑开关稳压器设计的空间受限的应用程序。

  

  Working with small batteries

  Wearable electronics are an exercise in Lilliputian engineering. A key design criterion is that the product should be unobtrusive. That places constraints on size and weight and in turn on the capacity of the power source. Some products, such as smart watches with powerful computation capabilities and GPS, are designed to act as “hubs” for a wirelessly connected “body area network”, and will likely use Li-ion batteries that consumers accept need topping-up every few days. However, buyers will be much less likely to tolerate recharging or frequent battery changes for the small sensors (for example, heart-rate monitors and speed and distance pods) that make up the peripheral elements of a personal network

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