Currently doing a low temperature -40 degree test!
When LP8863 adjusts the brightness from high to low or from low to high, the switch block of 8863 will not work!
Later, we tested to adjust the input voltage to reciprocate from 9V to 16V under the same brightness state.
There is also a phenomenon that the boost is stopped
At present, there is BSTOVP in the error interruption , but will this part cause the entire shutdown?
LED's VF voltage 11V~14V
8863 voltage divider setting 24V
Using SEPIC topology