Part Number: BQ25756 Hello,
I am designing a battery charging circuit using the BQ25756 integrated circuit and plan to power the system with a solar panel operating in MPPT mode. In TI's reference design (as shown in the schematic I attached), there…
Part Number: BQ25756 Hi TI support,
I'm working with a BQ25756 charge controller design that enables charge automatically in hardware (no FW involvement required) so a battery can recover from overdischarge by solar power.
I'm troubleshooting a design…
Part Number: BQ25756 Hi there,
I’m using the BQ25756 in a charger/boost configuration and I’m stuck in CC with the battery sitting around 25.5 V instead of my target 28.7 V . I’d appreciate help sanity-checking my setup and pointing out what I’m missing…
Part Number: BQ25756 Other Parts Discussed in Thread: BQ25758S Tool/software: Hallow
I am designing a new wireless power transfer board.
We're thinking of adding USB-PD at the output of our Rx.
Do you have an IC buck I2C for 100W 5-20V USB PD ?…
Part Number: BQ25756 Tool/software: Hello,
I am designing a charger using the BQ25756. My input voltage range is 15–40 V, and the output is 33.6 V, 20 A. I will be charging an 8S Li-ion battery. The switching frequency is 250 kHz. When using the BQ25756…
Part Number: BQ25756 Other Parts Discussed in Thread: BQ25750 Tool/software: Dear TI Support,
I am designing a USB Power Delivery (PD) application as a 100 W sink , powered from a USB Type-C PD adapter (controlled by the TPS25751D ) and charging a 7…
Part Number: BQ25756 Tool/software: Hello,
We are facing a considerable delay (250 ms) for the BQ25756 charger to start the reverse mode when the system voltage Vsys is dropped. The charger is set in reverse mode by setting the bit EN_REV = 1 before…
Part Number: BQ25756 Tool/software: Hello,
First, is it possible for the BQ25756 to stretch the clock, and if so, can you help with the following situation?
I have a BQ25756 which is exhibiting unexplainable behavior on the I2C clock, causing data…
Part Number: BQ25756 Other Parts Discussed in Thread: BQ25176 , BQ25820 , BQ25798 Tool/software: Hi. I am looking into using the BQ25756 but I would like to know more about the charging characteristics when it is using MPPT when there is not very much…
Part Number: BQ25756 Tool/software: Hello Ethan, Thankyou very much for your support, I had a very good learning experience. The charger worked perfectly as expected after changing the mosfets and the inductor. For now I have configured the charging capacity…
