Cypress_MB39C831超低电压高效太阳能热能收获解决方案.docx

Cypress MB39C831超低电压高效太阳能热能收获解决方案Cypress公司的MB39C831是高效同步整流升压DC/DC转换器,能从太阳能或热能发生器(TEG)把能量转换成锂电池,起动电压从0.35V,静态电流32uA,输入电压0.3 V-4.75 V,输出电压3.0, 3.3, 3.6, 4.1, 4.5, 5.0V.主要用在太阳能收获,热能收获,手持音频播放器,手机,电子书,电子字典,无线遥控器和传感器节点.本文介绍了MB39C831主要特性,框图和应用电路,以及评估板MB39C831-EVB-02框图,主要指标,电路图,材料清单和PCB元件布局图.The MB39C831 is the high-efficiency synchronous rectification boost DC/DC converter IC which efficiently supplies energy getting from the solar cell with the single cell or multiple cells, or from the thermoelectric generator (TEG) to the Li-ion battery. It is possible to start-up from 0.35 V and it contains the function to control the DC/DC converter output following the maximum power point of the solar cell (MPPT: Maximum Power Point Tracking) and the protection function to charge the Li-ion battery safely.MB39C831主要特性:Power Converter Type: BoostTemperature Range: -40?C-+85?CQuiescent Current: 32 μAInput Voltage Range: 0.3 V-4.75 VOutput Voltage (V): 3.0, 3.3, 3.6, 4.1, 4.5, 5.0Package: 40-pin QFNMB39C831应用:Solar energy harvestingThermal energy harvestingLi-ion battery using the single cell or multiple cells’ solar cell/Super Capacitor ChargerPortable audio playersCellular phoneeBookElectronic dictionaryWireless remote controllersSensor node图1.MB39C831框图图2.MB39C831恒压模式应用电路图(MPPT_ENA = L, ENA = H)图3.MB39C831充电模式应用电路图(MPPT_ENA = H, ENA = H)评估板MB39C831-EVB-02The MB39C831-EVB-02 is the evaluation board for the energy harvesting IC, MB39C831. This evaluation board is capable of accepting solar or thermal electric power source.图4.评估板MB39C831-EVB-02框图评估板MB39C831-EVB-02指标:图5.评估板MB39C831-EVB-02外形图图6.评估板MB39C831-EVB-02恒定模式设定图图7.评估板MB39C831-EVB-02充电模式设定图图8.评估板MB39C831-EVB-02电路图评估板MB39C831-EVB-02材料清单:图9.评估板MB39C831-EVB-02 PCB元件布局图AO-Electronics 傲壹电子官网： 中文网：ALPS ADI IR JRC/NJR KEC OTAX Seoul Semiconductor TI Walsin Technology