Part Number: BQ25570 Other Parts Discussed in Thread: BQ25638 , BQ25505 , BQ25504 Hello
I need to design a battery charger for a small solar panel Ref Voltaic P123 R1M, the best choice seems to be the BQ25570 because it is able to work at a very small…
Part Number: BQ25570 Tool/software: In the BQ25570 datasheet , the section on Boost Charger Inductor Selection states:
“The inductor must have a peak current capability of > 300 mA with a low series resistance (DCR) to maintain high efficiency.”
In…
Part Number: BQ25570 Hello,
I would like to use a BQ25570 to manage the charging of a battery from a small Voltaic P123 solar panel. The issue is that the open-circuit voltage of the panel reaches 7 V, which is higher than the Vin(max) rating of the…
Part Number: BQ25570 Other Parts Discussed in Thread: BQ25302 Tool/software: Hello. I'm designing solar charging using BQ25570 and USB connection circuits using BQ25302. The LOAD I wanted to use exceeded 100mA, so I connected the load directly to the…
Part Number: BQ25570 Other Parts Discussed in Thread: BQ25505 , BQ25504 Tool/software: Dear Texas Instruments Technical Support Team,
I am currently designing a power system using the BQ25570. In my application, I only use the main boost charger and…
Part Number: BQ25570 Other Parts Discussed in Thread: BQ25504 Tool/software: Hello! I would like to inquire about two questions about the BQ25570 chip,The questions are as follows:
1. The VBAT UV threshold voltage is too low. it is described as "internally…
Part Number: BQ25570 Tool/software: Hello Team,
I hope you are doing well. One of our customers would like to evaluate a dms using a hy 711 and an esp32. They have a circuit with an ESP 32 and an HX 711 that evaluates strain gauges. This system will…
Part Number: BQ25570 Tool/software: Hi TI Team,
I am currently evaluating the BQ25570 energy harvesting boost charger for use in a system powered by a LiFePO₄ battery . I understand that LiFePO₄ cells typically have a full charge voltage of around 3…
Part Number: BQ25570 Tool/software: Hi,
I have a solar cell with MPP = 4.5V, 40mA and VOC = 5.6V. I want to harvest power from it at maximum power point and run a 100ohm load at 3V as the energy is available from the solar cell. There is no need to…