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BQ25798: Please help me in designing a circuit of battery charger

Part Number: BQ25798


Tool/software:

Hi all,

We are designing a medical product with a battery backup. In this regard, we need support in designing a circuit of battery charger.
We have a plan to use a Meanwell GSM90B15-P1M 15V@6A, 90W medical grade power adaptor to power up the device as well as to charge the 12.8V battery.
This power adaptor has a DC pin. We just want to connect it by Vbus and GND pin of the battery charger.

Since we are not using the USB input, what should we do with the D+ and D- pins of the battery charger?

Please suggest and guide me regarding this.
Thanks.