LP8860-Q1: Looking for LED Driver

Part Number: LP8860-Q1

Hi Sir,

My customer looking for Buck IR LED driver, condition as below,

1. VIN=9~16V ,typ=12V
2. Iled=0.5A min
3. AEC-Q
4. I2C (can read back "fault register")
5. Vled=3.4V+3.4V=6.8V
6. ASIL(better to have)

I just found LP8860-Q1 but is boost driver, do you have idea which part will be good choice?

Thanks, Ian.