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BQ28Z610: I2C discommunication

Che yi Su
Expert 1695 points
Part Number: BQ28Z610

Hi all, 

I have a problem that I2C discommunication at 200kHz. Pull high resistor is 2kohm and other componet as below. And I found around 75uS~100uS clocl stretch on waveform. Does the phenomenon is right? Next step I will enable 400kHz mode at I2C configure. If you have any experience on this problem, please let me know, thank you.