With the introduction of high-end smart phones, the choice of consumers is more diverse, coupled with the smaller size of the tablet and lower prices, which will stimulate the global market sales record; 2013 will undoubtedly be the mobile computing An important milestone in the market. At the same time, consumers want to be able to maintain longer battery life while browsing more media content, so power management is quickly becoming a focus of this era.
More and more forecasts indicate that global shipments of smartphones will surpass traditional handsets for the first time in 2013. Market research firm IDC predicts that smartphone shipments will reach 918,600,000, accounting for 50.1% of the global mobile phone market. Whether it's entry-level or high-end smartphones, global prices are falling, giving consumers more choices, and with the introduction of Long-Range Evolution Project (LTE) network optimization, these "all-purpose" The device is more attractive to consumers. In 2012, China replaced the United States as the country with the highest shipments of smart phones in the world. In addition, in the populous countries such as Brazil and India, the fast-growing economy and the rising middle class have also driven the development of related demand. .
The prospects for tablets are also optimistic. 2013 may be the first year that tablet shipments in the US have surpassed notebooks for the first time. Consumer demand for this type of device is endless, and it is generally believed that this situation will continue in the world for a long time. IDC recently raised its forecast for shipments of tablets for the period 2013-2016, showing that global tablet sales could reach 190,900 units in 2013. By the end of 2017, IDC expects tablet vendors to ship more than 550 million units, while smaller and cheaper tablets will grow rapidly.
The complexity of portable devices is increasing, and a highly effective power management solution is a great design challenge (Figure 1). According to the 2012 US Wireless Smartphone Customer Satisfaction Research Survey conducted by JD Powers, consumers of new smart phones have far less dissatisfaction with any other single function due to poor battery life. And this problem will only get worse as time goes by, unless the supplier is willing to take an innovative approach to power management strategies.
Figure 1 The new mobile device functional requirements gradually increase the complexity of power management performance.
4G smart phones consume a lot of battery life to search for network signals that are currently scarce than 3G signals. They must consume more power and decode the signals transmitted in the spectrum. In addition, consumers will use mobile devices more widely, including chatting, sending newsletters, sending e-mails, and browsing the web, but they also want to be able to view higher-resolution video and satellite navigation maps, and can make two-way video calls with children. Play more realistic games and stream music. At the same time, consumers need to be brighter, larger, and have better touch functions. In the future, there must be a display screen with tactile response. Each feature consumes a lot of power, which also creates a need for high-performance power management technology.
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