Other Parts Discussed in Thread: LP8557
Hello Sir,
I bought a set of LP8557IEVM, and when I received it, I started to test it. I2C could not communicate.
I checked the I2C circuit of the board and found that the I2C signal pins were all connected to the ground.
Then, I checked the LP8557I(U1) Chip mark and printed "39RN P40", is this correct?
The Sales Order No. T01039025
Customer PO Item No. LP8557IEVM
Thanks,
David Lin