Other Parts Discussed in Thread: TPS54302
During EMC testing of the chip, 1117 on three boards was damaged,Please help analyze the reasons and provide improvement measures. Thank you!
The following are schematic diagrams, wiring diagrams, relevant testing standards, and testing site conditions.
The power chain is a 12V battery that is converted to 5V through TPS54302, and then this 5V circuit is simultaneously converted to 3.3V through 1117 and boosted by MT3608