Part Number: BQ25890 Other Parts Discussed in Thread: BQ25895 Please help to Schedule review as attached.
My setting as blow
Battery is 1900mA
Input 7.6V/3.25A
Battery_Volt want to charging 2A
BV_vol need 4A~5A (include Battery Dynamic Power…
Part Number: BQ25890 Hi,
We just performed a pre-test of our product, and we have a problem passing the radiated emission test. Could you please perform a design review? I would appreciate to have it private if that's possible. I can give you some information…
Part Number: BQ25890
When the BATV is above 3.5V, the BQ25890 can charge the battery normally.
But when I changed another battery which has low battery (BATV is 3.0V), the BQ25890 do not charge is normally.
I read all the registers, and find that…
Part Number: BQ25890 Hello team,
I have a question regarding the INT pulse which should notify the system on the device operation. I noticed that in some cases this interrupt is not generated anymore. In my case when the USB is plugged (D+/D– based…
Part Number: BQ25890 When powered by Battery only while reading the battery voltage [REG0E], at random times we will read the reg as 00 (2.304V) well before Vsys is <= the VSYS_MIN default of 3.5V [REG03]. We manually start the ADC conversion, bit CONV_START…
Part Number: BQ25890 Other Parts Discussed in Thread: BQSTUDIO Now We use BQ25890 for our system BMS, for speed up our development, please provide us with the demo code.
Part Number: BQ25890 Hi team,
My customer sets REG02 bit6: 0(one shot ADC), the leak current of VBAT is 190uA and sets REG02 bit6: 1(Start 1s Continuous ), the leak current of VBAT is 340uA.
Please help to identify the leak current in the different…
Part Number: BQ25890 Hi
We are uging BA25890 for charging 6600mAh battery.
The DCP adapter rated power is 5V/3A.
Below is our charing curve.
We can see the curve of CV mode is very stranger.
Is it normal? If not, please help me to solve this…
Part Number: BQ25890 Dear Sir,
I would like to program VREG[5:0]=100011 to charge 4.4V battery.
To prevent VREG[5:0] from resetting to the default value 010111, I would like to disable the watchdog timer by setting WATCHDOG[1:0]=0
Is there any side…
Part Number: BQ25890 Re; QON.
VBUS is not connected and looking to use QON for fault protection. If QON is held low indefinitely, will BATFET continuously turn off for 300mSec and then on for 15Sec? What behaviour should I expect?
Thanks.
