MTK Pump Express Plus 2.0 技术解析

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"MTK Pump Express Plus 2.0 是联发科(MediaTek)推出的一种快速充电技术,旨在提高手机和其他移动设备的充电效率。该技术基于USB接口,允许电源适配器智能地调整输出电压和电流,以更快的速度为设备电池充电,同时保持设备和电池的安全。" MTK Pump Express Plus 2.0 是一种快速充电解决方案,相较于传统的5V固定电压充电,它引入了高压传输(HVTA)和脉宽调制(PWM)技术,以实现更高的充电速度。这项技术的关键在于通过PSR(Primary Side Regulation)架构而不是传统的SSR(Secondary Side Regulation)来控制电源适配器,从而降低了成本,大约节省了0.3美元。 Pump Express Plus 2.0 的操作原理是,手机通过USB数据线的D+和D-线向适配器发送指令,指示适配器提供特定的电压和电流。这使得系统可以逐步增加电压,以避免过快的充电速率对电池造成损害。与竞争对手的Quick Charge 3.0相比,Pump Express Plus 2.0 在保持兼容性方面表现出色,能与现有的1.5A USB电缆、USB BC 1.2标准、YDT1591标准以及传统适配器协同工作。 在互操作性方面,Pump Express Plus 2.0 后向兼容Pump Express Plus 1.1、USB Battery Charging 1.2标准,并且新的AC/DC控制器供应商列表和接触窗口设计确保了与各种设备的兼容性。此外,该技术的适配器选择指南帮助用户根据设备需求选择合适的充电器,确保高效安全的充电体验。 MTK Pump Express Plus 2.0 的优势在于,不仅提高了充电速度,还减少了对新电缆和适配器的需求,降低了用户的升级成本。同时,由于其与5V/2A传统手机充电器的兼容性,用户无需担心适配问题,为用户提供了极大的便利。 MTK Pump Express Plus 2.0 是一个创新的快速充电技术,它通过优化充电过程,提高了充电效率,同时保持了广泛的兼容性,为消费者提供了更便捷、更安全的充电方案。

configuration written to .config # make[2]: Leaving directory '/home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot/u-boot-2022.07' pushd /home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot/u-boot-2022.07;make LLVM= CROSS_COMPILE=aarch64-v01c01-linux-gnu- 1>/dev/null;popd ~/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot/u-boot-2022.07 ~/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot ===================== WARNING ====================== This board does not use CONFIG_DM_ETH (Driver Model for Ethernet drivers). Please update the board to use CONFIG_DM_ETH before the v2020.07 release. Failure to update by the deadline may result in board removal. See doc/develop/driver-model/migration.rst for more info. ==================================================== ===================== WARNING ====================== This board does not use CONFIG_TIMER (Driver Model for Timer drivers). Please update the board to use CONFIG_TIMER before the v2023.01 release. Failure to update by the deadline may result in board removal. See doc/develop/driver-model/migration.rst for more info. ==================================================== ===================== WARNING ====================== This board does not use CONFIG_DM_SERIAL (Driver Model for Serial drivers). Please update the board to use CONFIG_DM_SERIAL before the v2023.04 release. Failure to update by the deadline may result in board removal. See doc/develop/driver-model/migration.rst for more info. ==================================================== ~/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot echo "gzip" gzip make -C /home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot/../gzip/ make[2]: Entering directory '/home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot' make[2]: *** /home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot/../gzip/: No such file or directory. Stop. make[2]: Leaving directory '/home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot' make[1]: *** [Makefile:51: all] Error 2 make[1]: Leaving directory '/home/lkuser/SDK/Hi3519DV500_SDK_V2.0.0.2/mini_sdk/boot/u-boot' make: *** [Makefile:287: boot] Error 2什么意思

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