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TPS65220: PMIC TPS65224 Burton

Part Number: TPS65220
Other Parts Discussed in Thread: TPS65224-Q1

Some question for TI PMIC TPS65224 Burton:

1.WDG is used in trigger-mode, then how to config Pin35(GPIO1)?

2.How to enable/disable the WDG function, and what is the default voltage level for WDG trigger input?

3.We read that the PMIC TPS65224 EN/PB/VSENSE pin17 is used for on/off device from TPS65224-Q1 datasheet. But the Burton PMIC Application ppt shows

the pin10(GPIO4) is used as the PMIC on/off device. If we use the pin17 as the BAT voltage sense function, so would the pin10 be used as PMIC on/off device function?

4.What is the difference between pin27(NINT/EN_DRV) and pin35(GPIO1 as nINT)?

5.All bucks(1-4) output capacitors use so many kinds of capacitance such as 47uF,2.2uF,22uF,220uF,and then why? Can we just use fewer kinds of capacitors to meet our output capacitance spec?

6.What is the I2C1 Addr of the Burton PMIC TPS65224?

TKS