Battery Power Management for Portable Devices

Battery Power Management for Portable Devices

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The introduction of Li-ion batteries in 1991 created a tremendous change in the handheld devices landscape. Since then, the energy stored and put to use in palm-sized electronic devices has quadrupled. Devices are continuously getting more power hungry, outpacing battery development. Written by leading engineers in the field, This cutting-edge resource helps you overcome this challenge, offering you an insightful overview and in-depth guide to the many varied areas of battery power management for portable devices. You find the latest details on optimizing charging circuits, developing battery gauges that provide the longest possible run-time while ensuring data protection, and utilizing safety circuits that provide multiple independent levels of protection for highly energetic batteries. This unique book features detailed design examples of whole systems, providing you with the real-world perspective needed to put this knowledge into practice. You get the state-of-the-art know-how you need to perfect your device designs, helping you make them strong competitors in the fast-growing portable device marketplace.If the system and the battery charger require a little power, the solar cell may operate at point A as shown in Figure 2.37, where the solar cell ... A well- designed solar-based charging system should actively control the system to maximize the power from the solar cell or panel. ... Figure 2.39 shows the input voltage-based MPP control block diagram with a synchronous switching buck- based charger.

Title:Battery Power Management for Portable Devices
Author:Yevgen Barsukov , Jinrong Qian
Publisher:Artech House - 2013-05-01


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