Part Number: BQ25504 Hi
The customer want to use BQ25504 for thermoelectric energy harvesting. The output of the thermoelectric chip is expected to be 250mV, which is equivalent to an internal resistance of 2Ω. They use a 250mV voltage source through…
Part Number: BQ25504 Other Parts Discussed in Thread: BQ25570 , BQ25505 Hi Team,
Good day!,
We are planning to use BQ25504 for our new product.
Requiting to guide us with the making of the design.
Requirements we planned.
1. Charging the 3.7V, 1000mAh of…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25570 , , BQ25504 Hi,
my end goal is building a USB C charger (for an eInk device) that is powered by a solar cell (ca 300 cm^2) in indoor lighting conditions.
The ouput power of the solar cell is…
Hi Danilo,
Danilo A. said: I connected my solar panel to the board with no external reference voltage
At this point can you clarify the schematics for this situation? Are the pins VOC_SAMP and REF_SAMP pins floating or pulled to ground?
Danilo A. said…
Part Number: BQ25504 In relation to my question under https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1247228/bq25504-not-coming-out-of-cold-start-as-expected/4716916
We have now adjusted VSTOR_CHGEN to be 2…
Part Number: BQ25504 Hi
There is a query need your help.
When browsing the data manual of BQ25504, I noticed that its cold start voltage was changed from 330 mV to 600 mV in 2015, as well as some other parameter changes.
Do these changes mean that there…
Part Number: BQ25504 Other Parts Discussed in Thread: BQ2982 Hello,
I'm deisgning a new project and i will use an BQ25504 to charge a battery.
How can i protect this against user reverse connection of battery.
Regards.
Part Number: BQ25504 Other Parts Discussed in Thread: BQ25570
We're having a bit of trouble getting the BQ25504 to come out of cold start properly. We have a low power bluetooth design (schematic attached) powered from the BQ25504 which is charging a…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25570 , BQ25504 , Hello. The BQ25570 circuit I asked you about earlier works well because the problem has been solved.
When applying mass production products, the circuit is changed, so the output of…