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您好,请参考评估板推荐的电路。
您好,当电池没电或不存在时,SYS 电压由 VBUS 提供。如果 SYS 负载电流低于输入源电流限制,则 SYS 电压在没有电池的情况下稳定。
请参考schematic checklist确认您的电路是否正确。