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TPS61165: Glitches in the current waveform

Che Wen Yeh
Expert 1120 points
Part Number: TPS61165


Hi Teams,

We tested the TPS61165 with the maximum current set to 200 mA, using a 22 µH inductor and PWM at 25/50/100%. We observed spikes in the current waveform, with a period of about 5 ms. Is this behavior normal? Thanks.

1.png

PWM 100%

2.png

PWM 50%

3.png

PWM 25%

4.png