On Semi公司的NCP6915是微功能消耗電源適配器集成系統電路設計原理,集成系統了高效化600mA降血壓DC/DC改變器和外部電壓感應電流值感應電流食補(DVS)和2個高電壓感應電流值降(LDO)電壓感應電流值感應電流穩壓電源,基線物上請求權96%,手機投入電壓感應電流值感應電流從0.8V到2.3V可編,50mV程序編程量,手機投入感應電流600mA, 400 kHz/3.4 MHz I2C吃妻上癮插口,出框適當于拿著利用率子模式如自拍機控制器,微治理器和外設法寶.選文先容了NCP6915重要性特性和框圖,和評議板NCP6951EVK重要性特性,電路設計原理圖,PCB裝圖片和PCB構想圖.The NCP6915 is part of the ON Semiconductor mini-power management IC family. It is optimized to supply battery powered portable application subsystems such as camera modules, microprocessors or any peripherals. This device integrates one high efficiency 600 mA step-down DC to DC converter with DVS (Dynamic Voltage Scaling) and five low dropout (LDO) voltage regulators in WLCSP-20 1.56 x 1.56 mm package.NCP6915首先要特性:1. One DCDC Converter:? Peak Efficiency 96%? Programmable Output Voltage from 0.8 V to 2.3 V by 50 mV Steps? 600 mA Output Current Capability2. Five Low Noise - Low Dropout Regulators? Programmable Output Voltage from 1.7 V to 3.3 V for LDOs1,2,3? Programmable Output Voltage from 1.2 V to 2.85 V for LDO 4 & 5? 200 mA Output Current Capability: LDO’s 1,2,3& 4? 300 mA Output Current Capability: LDO 5? 45 _Vrms Low Output Noise3. Control? 400 kHz/3.4 MHz I2C Control Interface? Hardware Enable Pin? Customizable Power up Sequencer4. Extended Input Voltage Range 2.5 V to 5.5 V? Support of Newest Battery Technologies5. Optimized Power Efficiency? 82 _A Very Low Quiescent Current at no Load? Dynamic Voltage Scaling on DCDC Converter? Regulators can be Supplied from DCDC Converter Output6. Small footprint? Package WLCSP16 1.56 x 1.56 mm2? DCDC Converter runs at 3.0 MHz using a 1 _H Inductor and10 _F Capacitor or 2.2 _H Inductor and 4.7 _F Capacitor7. This is a Pb-Free DeviceNCP6915標桿采取:? Cellular Phones? Digital Cameras? Personal Digital Assistant and Portable Media Player
