Part Number: BQ25505 Tool/software: Hi I've been struggling with this since 2 prototypes. I am using the BQ25505RGRR to charge li battery at 3.6v max. When i connect a 3.3v on vbat_sec, I do not see any voltage on VSTOR. I also changed the applied voltage…
Part Number: BQ25505 Other Parts Discussed in Thread: TPS22919 , TPS22917 , TPS22992 Tool/software: Hello there,
Problems during startup when attaching a secondary battery to the BQ25505 have been reported several times on the forum. Basically the…
Part Number: BQ25505
Tool/software:
Hi, I have designed a solar charging circuit based on BQ25505. I have connected both the primary (VBAT2 = 3.4v) and the secondary ( VBAT1 = 2.4v ) batteries.
The problem is that always VBAT_OK pin = 0v and the…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25504
Tool/software:
Hi,
Most supercapacitors and Li-ion batteries require under-voltage protection of 2.5V.
Why is this protection level set to 1.95V ( 1.91V < VBAT_UV < 2V) in BQ25505?…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25638 Tool/software: Hi Texas,
So i am looking for a chip that works like BQ25505, but with more functionalities.
- USB charging
- Solar charging (MPPT Tracking)
- Coloumb counter (to know…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25628E Tool/software: We are looking to use the bq25505 in a power pack design. The primary reason for choosing the bq25505 is its ability to charge from a very low current input source (solar cell…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25570 , Tool/software: The BQ25505 and BQ25570 are not pin compatible, so how do we go about modifying the eval board for the BQ25570 in order to be able to use the BQ25505? For example, pin 14 is…
Part Number: BQ25505 Other Parts Discussed in Thread: BQ25570 , Tool/software: When evaluating BQ25505 on BQ25570 EVM, can we simply replace the BQ25570 chip with a BQ25505 device? Do we need to change any jumpers or other components?
Thanks,
Part Number: BQ25505 Tool/software: Do TI’s chargers have a function to detect wrong type battery(like alkaline battery)? What if user insert the wrong type batteries to the charger?
