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首页> 外文期刊>Portable Design: The Engineer's Resource for Portable Applications >Power management in portable industrial systems using CPLDs - Power management extends beyond the scope of consumer electronics to battery-powered industrial applications
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Power management in portable industrial systems using CPLDs - Power management extends beyond the scope of consumer electronics to battery-powered industrial applications

机译：使用CPLD的便携式工业系统中的电源管理-电源管理已从消费电子产品的范围扩展到了电池供电的工业应用

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摘要

Portable system designers are concerned with minimizing the static and dynamic current draw of all components within a battery-powered system. This article introduces select criteria for static and dynamic power requirements of complex programmable logic devices (CPLDs). It also covers circuit design techniques that allow these devices to achieve zero standby current. In addition, these devices can be used as a smart power control manager to power up and power down other system components, making them zero power. Power management is critical in all electronic applications, but it is even more critical in portable battery-powered industrial applications. Portable electronic applications have not stopped at digital consumer products. Many commercial necessities are becoming increasingly portable, such as bar code scanners, point-of-sale terminals, tax collection terminals, electronic toll readers, PIN identification systems, and RFID readers/scanners. Increasingly, with the introduction of wireless standards such as Bluetooth, Wi-Fi, and 802.11e, many industrial applications are no longer limited by wiring or' power infrastructure. Portable industrial applications taking advantage of the wireless revolution include gas and hazardous material sensors; global positioning system (GPS)-based inventory monitors; production line and surveillance cameras; strain and stress gauges; remote operator terminals; VPNs; test and measurement equipment; and HVAC monitor and control systems.
机译：便携式系统设计人员担心将电池供电系统中所有组件的静态和动态电流消耗降至最低。本文介绍了复杂可编程逻辑器件（CPLD）静态和动态功耗要求的选择标准。它还涵盖了允许这些设备实现零待机电流的电路设计技术。此外，这些设备可以用作智能电源控制管理器来打开和关闭其他系统组件的电源，从而使其零功耗。电源管理在所有电子应用中都至关重要，但在便携式电池供电的工业应用中则更为重要。便携式电子应用尚未停止在数字消费产品上。许多商业必需品变得越来越轻便，例如条形码扫描器，销售点终端，收税终端，电子收费器，PIN识别系统以及RFID读取器/扫描器。随着诸如蓝牙，Wi-Fi和802.11e之类的无线标准的引入，许多工业应用不再受到布线或电源基础设施的限制。利用无线革命的便携式工业应用包括气体和有害物质传感器;基于全球定位系统（GPS）的库存监控器;生产线和监控摄像机;应变计和应力计;远程操作员终端; VPN;测试和测量设备;和HVAC监控系统。

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