I.MX5x 系列配合使用Freescale的MC13892做为PMIC 。 此处粘贴的原理图以I.MX51 EVK板为例。
1. Battery charger system for wall charging and USB charging
电池充电系统包括座充和USB充电。
2. 10 bit ADC for monitoring battery and other inputs, plus a coulomb
counter support module
10 bit ADC 监视电池和其他输入,包括一个库仑计数模块 。
3. 4 adjustable output buck converters for direct supply of the
processor core and memory
4路直接给处理器内核和内存供电的可调的降压转换器。
4. 12 adjustable output LDOs with internal and external pass devices
12路可调的低压差线性稳压器。
5. Boost converter for supplying RGB LEDs
给RGB LEDs供电的升压转换器。
6. Serial backlight drivers for displays and keypad, plus RGB LED
drivers
供显示和按键的几路背光驱动
7. Power control logic with processor interface and event detection
提供处理器接口和事件检测的电源控制逻辑。
8. Real time clock and crystal oscillator circuitry, with coin cell backup
and support for external secure real time clock on a companion
system processor IC
实时时钟和晶振电路,可以纽扣电池做后备。
9. Touch screen interface
触摸屏接口
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