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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/760433/bq25703a-quick-charging-scheme-question-point-consultation
问题：
您好！
我的答复如下。
1.是的、您需要 MCU 通过 I2C 接口对 BQ25703A 进行编程。
1.05V 是用于上拉的外部电源。 您还可以使用3.3V 来实现上拉。
3.是的，VSYS 应连接到系统电源作为输入。
谢谢
