Micrel MIC2829 3G-4G USB无线应用电源管理方案
Micrel 公司的MIC2829是高度集成的电源管理集成电路(PMIC),设计用于3G/4G (HEDGE/LTE 与WiMAX) USB无线应用. MIC2829是完整的电源管理解决方案,能给处理器,双路标准的RF(如HEDGE/LTE 或WiMAX)收发器,功率放大器,存储器, USB-PHY相关的I/O接口和其它系统要求提供电源.输入电压为2.7V-5.5V,有六个DC降压稳压器,两个PWM降压稳压器和11个LDO.主要应用在4G LTE USB调制解调器,3G/4G (HEDGE/LTE)无线芯片组,WiMAX调制解调器,Express卡调制解调器,UMPC/笔记本电脑无线数据通信以及手提设备.本文介绍了MIC2829主要特性,方框图, 典型应用框图及其材料清单, MIC2829 评估板电路图和所用板材料清单(BOM).
3G/4G HEDGE/LTE PMIC with Six Buck Converters, Eleven LDOs and SIM Card Level Translation
The MIC2829 is a highly integrated Power Management Integrated Circuit (PMIC) designed for 3G/4G (HEDGE/LTE and WiMAX) USB wireless applications. It is a complete power management solution which provides power to processors, dual standard RF (such as HEDGE/LTE or WiMAX) transceivers and power amplifiers, memory, USB-PHY associated I/O interfaces and other system requirements.
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