hi,
I am from DEFA technology in wuxi, our headquarter is in Norway.
Now we are using your BQ24072T in our product, but now I have problem, can you pls. help me check:
When I connect DC source (5VDC) at input pin, it can work well, our load is about 1.4A in out pin; but if I just connect the battery of 3.7V no DC source connected, then sometimes it can start, sometimes it can’t, and when the out pin is about 2V ( normally it should be about 3.7V). I checked the datasheet of BQ24072T, the battery path can give 4.5A, so I don’t know why, pls. help me double check. Thanks.
Below is our schematic drawing, the US? Is the 3.7V Li-battery. (I copyed a PDF in the attachment).