时间:2016-04-29 09:32:39 作者:Maxim 来源:bwin客户端
Maxim公司的MAX77818是用于最新智能手机和平板电脑的高性能PMIC,百货公司双输入,带反向升压能力的智能功率通路3A开关模式充电器和适配输入保护高达16VDC以及有所有全的ModelGauge™ (m5)电量计量(FG)技术,支持USB OTG,无线充电输入高达5.9V.本文介绍了MAX77818主要特性和优势,框图,主电池充电器功能框图和应用电路,以及MAX77818评估系统优势和特性,电路图,材料清单和PCB设计图.
The MAX77818 is a high-performance companion PMIC for the latest smartphones and tablet computers. The PMIC includes a dual input, smart power path 3.0A switch mode charger with reverse boost capability and adapter input protection up to 16VDC withstand, proprietary ModelGauge™ (m5) fuel gauge technology.
The switch mode battery charger’s operating frequency is 4MHz and includes integrated, low-loss switches to provide the industry’s smallest L/C size, lowest heat, and fastest battery charging programmable up to 3.0A. The charger has two inputs that accept adapter/USB (CHIN) and/or wireless type inputs (WCIN). The wireless input can simultaneously charge the battery while powering USB-OTG type accessories. The USB-OTG output provides true-load disconnect and is protected by an adjustable output current limit.
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