BQ24032A: Schematic review for linear charger bq24032a

Hello
1.) if I should leave the USBPG floating as is?---Bill J -- Open drain output OK to float
2.) I would like to use 2000mAh or less LiPo batteries, so is it okay to have the charge current at ISET1 be at 1A? ---Bill J -- This will depend on the battery, check with manufactures requirements for charging. But typically charging at 0.5C is OK.
3.) Will it be detrimental to the battery life?---Bill J -- Consult battery manufacture.
4.) Is it advisable to increase the resistance at ISET1 to 2k to get the max charge current to around 500mA?---Bill J--You are probably OK at 0.5C.
5.) If I make this change will I have to modify the safety timer resistor value too? --- Bill J---Unit is set for 5 hr this it probably OK.