Hi,
In emergency situations, the backlight will flash when Vin is 8V,
We use X-Ray to confirm that the status of PCB printing is OK, and the boot sequence Vin, VDD, EN are normal!
It is found that the SD Pin that controls the MOSFET will always be pulled High!
LP8866 (I2C)data is as follows
00h:0xCCCC
02h:0x0FFF
04h:0x0AA3
06h:0x0100
08h:0x2AAA
0Ah:0xA028
0Ch:0x00AA
0Eh:0x0000
10h:0x0002
12h:0x0510
14h:0x000F
16h:0x0000
18h:0x0000
1Ah:0x01FF
1Ch:0x06F5
1Eh:0x7621
If you need SCH, please tell me
