Tool/software:
I am working on a design that uses a BQ25619 charger chip.
Unfortunately my hardware designer made an error and pulled PSEL high so the chip things it is connected to a USB socket when it is actually connected to a 5v 2A power supply.
Because of this error the chip sets VBUS_STAT (in register 08) to '001' - USB host SDP (500mA) and consequently charging currents appear to be limited to below this value.
I have tried changing IINDPM (in register 0) and ICHG (in register 2) but the best I seem to get is a charging current of about 450mA (this is measured by a BQ27542 chip that is embedded in the battery pack).
Can you advise me if there is any way I can persuade this chip to give me a changing current of 1000mA or more without having to change the hardware (i.e. pull PSEL low).
Thanks and Kind Regards
PhilipJ