[原创] NXP PF3000i．MX 7应用处理器电源管理方案

NXP公司的PF3000是Freescale i.MX 7和i.MX 6SL/SX/UL应用处理器的电源管理集成电路(PMIC),包括有四个降压转换器,六个线性稳压器,RTC电源和纽扣电池充电器,组成了应用处理器,存储器和系统外设的完整系统.主要用在平板电脑,可穿戴电子,POS机,工业控制,医疗电子,家庭自动化和安全/能量管理.本文介绍了PF3000主要特性,框图,典型应用电路及其材料清单,评估板KITPF3000FRDMEVM主要特性,电路图,材料清单和PCB设计文件.

The PF3000 is a Power Management Integrated Circuit (PMIC) designed specifically for use with the Freescale i.MX 7 and i.MX 6SL/SX/UL application processors. With up to four buck converters, six linear regulators, RTC supply, and coin-cell charger, the PF3000 can provide power for a complete system, including applications processors, memory, and system peripherals. This device is powered by SMARTMOS technology.

PF3000主要特性:

•Input voltage range to PMIC: 2.8 V to 4.5 V, or 3.7 V to 5.5 V (2)
•Buck regulators
•Configurable three to four channels
•SW1A/B, 2.75 A (single); 0.7 V to 1.425 V, 1.8 V, 3.3 V
•SW1A, 1.0 A (independent); 0.7 V to 1.425 V, 1.8 V, 3.3 V
•SW1B 1.75 A (independent); 0.7 V to 1.475 V
•SW2, 1.25 A; 1.50 V to 1.85 V or 2.50 V to 3.30 V
•SW3, 1.5 A; 0.90 V to 1.65 V
•Dynamic voltage scaling..

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