Part Number: BQ25720 HI team,
my customer finds its CHRG_OK signal keep high and low constantly
they checked 0x20 fault register, but nothing trigger.
something is not right, is there a direction for us?
Part Number: BQ25720 Hi team,
I have two quick question about input cap value,
1.why do we need to add extra one POSCAP for high power instead of extra MLCC?
2.what would happen if we have insufficient cap value here, only large input voltage ripple…
Part Number: BQ25720 Hi
The customer design with BQ25720, CELL_ BATPRESZ is set 2 batteries. The device is not connected to the battery and only powered by VBUS. They use default parameters.
VBUS_IN connect 3.5V(current limit 4A), power on the system, there…
Part Number: BQ25720 Other Parts Discussed in Thread: BQ25758 Hi
There are two questions from customer about BQ25758 EPR power, I will send you detail via mail.
Can you help to provide the schedule of BQ25758 A2 ?
Is there any update about VBUS_LV circuit…
Part Number: BQ25720 Other Parts Discussed in Thread: BQ25758 Hi
My customer ask me, BQ25758 SW1 turns off every 40mS at bypass mode, is this normal?
The waveform as below
Part Number: BQ25720
Hi team,
datasheet specify 9x10uF MLCC+2x22uF POCSCAP for output cap,
customer now use 9x10uF MLCC+ 1x15uF POSCAP,
is this ok?
is the additional 22uFx2 POSCAP necessary ?
Part Number: BQ25720
Hi team,
customer report COMPOUT and PROCHOT are low,
I know because COMPIN is 3.3V>1.2V threshold,
so i try to short it as 0V.
but when I short the PR4437 during the middle of operation,
the prochot wasn't back to high…
Part Number: BQ25720 Other Parts Discussed in Thread: BQ25721 Hi
Does BQ25721 have any power saving function that we can setup on AC only condition? Also how much eff do you think is reasonable?
They want to increase the light load efficiency.
condition…