安卓板卡一般都是几层板的?Issuing time:2024-12-26 09:20 看主控吧,安卓板卡至少是2层板及以上,比如:海思v352主控的安卓板就是2层板,瑞芯微的rk3128主控的安卓板是4层板,较新的rk3588主控的安卓板是8~10层板,最新的rk3576主控的安卓板是6~8层板,还有全志较新的a527主控的安卓板是6层板。 当然PCB层数较低,设计及生产难度也较低,当然成本就能降下来,比如上述说的海思hi3751v352的安卓板(如下图所示)就比较便宜些。 比如:上述说的rk3588就是是高端安卓板,需要更复杂的电路要求,rk3588需要多个电源域VDD_CORE,VDD_CPU,VDD_GPU等,设计时要考虑电源噪声的控制。还有接口部分设计,RK3588都安排上了PCIE3.0,千兆以太网,SATA,CAN等都一应俱全。(如下图所示) 如果RK3588接入的外设较多,如:液晶屏触摸屏,机械SATA硬盘,摄像头模组还有其它一些传感器外设等,要满足大部分应用场景,RK3588电源适配器设计建议12V/2-5A。 再附上上述定昌小编提到的几款安卓主控板的链接给新老客户参考查询: 1、海思V352 主控板:2层PCB。 2、瑞芯微RK3128主控板:4层PCB。 3、瑞芯微RK3588主控板:8层PCB。 4、瑞芯微RK3576主控板:6层PCB。 5、全志A527主控板:6层PCB。
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