[讨论]

无线充电 DC-DC 芯片

2015-12-17 10:54:27 5381 DC-DC

0 现在无线充电DC-DC 方案可以用到MPS的电源芯片: 根据需求的不同,有-0.3v~28V 输入,4.2A电流输出; 主要Features 如下: • ±9A Peak Current Output • ±4.25A Continuous Current Output • Up to 1.2MHz Switching Frequency • Protected Integrated Power 100mΩ Switches • All Switches Current Limited • Integrated Under-Voltage Protection • Integrated Thermal Protection • 2.5μA Standby Mode • True 2-Quadrant Operation • Sources and Sinks Current 有3v~20v输入,2.1A电流输出: FEATURES • 3V-to-20V Wide Input Range • Integrated 10mΩ Low-Side Power FET • SDR Driver for Synchronous Solution • >17A Switch-Current Limit • Up to 97.5% Efficiency • Optional Internal/External Current-Sensing Configuration • External Soft-Start and Compensation for Higher Flexibility • Programmable UVLO and Hysteresis • < 1μA Shutdown Current • Thermal Shutdown at 150℃ • Available in a 3x4mm QFN-22 Package 0
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