Part Number: BQ25720 Other Parts Discussed in Thread: TIGER Hello everyone,
I am currently designing a power management system with two RRC2020 Li-ion batteries. In doing so, I came across the BQ25720 chip. I will use one battery management chip per…
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER I am using the BQ25720 with an ESP32,
Some issues I am seeing:
After charger input power is cycled, the BQ25720 sometimes enters a state where input path does not recover.
Symptoms in…
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER We are using the BQ25720-based design and firmware derived from your development board approach,
We are seeing intermittent field events where our system logs “input lost” / “input restored…
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER Hi Tiger, When the Type-C adapter is connected to our custom board, the system boots normally and the power-up sequence completes as expected. However, when only the battery is connected, although…
Part Number: BQ25720 Other Parts Discussed in Thread: BQSTUDIO , TIGER Hi Team,
We are currently using a 65W adapter from a third-party vendor available in the market. When we connect this adapter to our laptop, we are facing several issues.
When…
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER Hi Team
do BQ25720 have any concern about too close to magnet? will charger behavior be influenced by magnet?
below is magnet spec.
BRs
Brian
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER Hi ,
We have attached the register dump of the battery charger IC for your reference.
BQREGISTERDUMP.txt
Issue: When the system is in OFF condition (battery connected, laptop powered off…
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER , BQ40Z50 , We have configured the charger IC register values recommended by @tiger, and the battery charger IC is responding correctly.
However, we are facing one issue during charging…
Part Number: BQ25720 Other Parts Discussed in Thread: TIGER Hi Team
if our BQ25720 0x15 is set as 17.88V and battery fully charged is 17.6V.
Will charger compare Vsrn after fully charged? or any timing to detect OVP?
BRs
Brian
Part Number: BQ25720 Other Parts Discussed in Thread: BQ25730 , BQ25773 , TIGER Hi, We are adding a "BQ25720RSNR" in one of our project. We would like an expert to review the design of this battery charger (specially the Mosfet and inductor selection…
