Hi team,
Here's an issue from the customer may need your help:
The product is a Bluetooth speaker with output wattage Mono 10W Does the REGN voltage level of the BQ25890 have a ripple effect on the accuracy of battery temperature detection?
Basic conditions are as follows:
- VBUS is not plugged in
- The ADC Conversion rate is set at Start 1s Continuous Conversion
- The Bluetooth speaker is set at maximum volume
RENG waveform without playing music:
RENG waveform with playing music:
From the above two waveforms, it is found that when playing music, the REGN has riple at Hi level, and no Hi level is playing music without ripple.
The customer want to make sue if it will affect the accuracy of the battery temperature? What can be done to affect the accuracy of the battery temperature?
The Power map of the bluetooth speaker is as follows:
Could you help check this case? Thanks.
Best Regards,
Cherry