AP43776

Document number: DS43473 Rev. 5 - 2

2 of 12

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September 2022

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AP43776

Typical Applications Circuit

Application 1:

Two USB Type-C ports car charger based on one* AP43776 + two* DC/DC, where I2C bus is used for communications between AP43776 and

two DC/DC controllers. It is shown that the USB Type-C output MOS switch is not needed.

Figure 1. A two-channel car charger

Application 2:

Four USB Type-C ports car charger based on two* AP43776 + four* DC/DC controllers, where the smart power sharing is performed through I2C

and UART buses.

Figure 2. A four-channel car charger