jdm-040 problem after stick change

[nachoska21]

Hello, I hope you are well, I have the following problem, I have a dualshock 4 jdm-040 control, it blinks for 2 seconds and turns off. Check the charging input and if it receives the 5v. The battery is in good condition, it was tested in another control.

Could it be the charging IC?

Where is the charging IC of this model located and which one should I buy?

I pay attention, thank you very much.