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[原创] Maxim MAX14690可穿戴充电和管理解决方案

关键词:电源管理 DC/DC转换器 可穿戴 MAX14690

时间:2017-03-28 10:57:10       作者:Maxim       来源:中电网

Maxim公司的MAX14690是用于低功耗可穿戴设备的电池充电和管理解决方案,包括有具有智能不能电源选择器和几个最佳电源外设的线性电池充电器.器件具有两个超低功耗降压稳压器,静态电流900nA,三个超低功耗低压降(LDO)线性稳压器,静态电流600nA以及5个稳压电压.主要用在可穿戴电子设备,健美监视器和手持医疗设备.本文介绍了MAX14690主要优势和特性,框图,应用电路图以及评估板MAX14690 EVK主要特性,电路图,材料清单和PCB设计图.

The MAX14690 is a battery-charge-management solution ideal for low-power wearable applications. The device includes a linear battery charger with a smart power selector and several power-optimized peripherals. The MAX14690 features two ultra-low-power buck regulators with a typical quiescent current of 900nA. In addition, three ultra-low power low-dropout (LDO) linear regulators, with a typical quiescent current of 600nA are included. In total, the MAX14690 can provide up to five regulated voltages, each with an ultra-low quiescent current, critical to battery life for the unique power profile in 24/7 operation devices, such as those in the wearable market.

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