Hello, in the use of TPS65270, LX pin voltage waveform appears a high pulse, schematic and waveform see attachment, especially to everyone for help, thank you!
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Hello, in the use of TPS65270, LX pin voltage waveform appears a high pulse, schematic and waveform see attachment, especially to everyone for help, thank you!
你的R1064和R1059太大了,10ohm以内就可以了。输出电容22uF就够了
还有你在测试波形时,是用probe的最小环路么
再上传一下你的PCB,用的是4层板么
HI
直接用0欧姆, 再测测看。
注意LX PAD的layout,