LP8865X-Q1: the resolution of 28LEDs by LP8865X

HI, Mengyao

May I ask what is the EE of this case? Depending on this concept, device will work.

Hello Zhiqian,

 the case is used to automotive application, and used to TFT backlight driver.

for Auto usage , we need to consider the worse case situation.

Hi Mengyao

Pls provide the worst case in this EE.

Hi Zhiqian,

In the automotive application, the temperature and stabilitype is the key consideration.

in the begin,about my solution, your answer is ok, but I want to know how risk this design is?

because the voltages of the three in parallel maybe different, and our use case is TFT backlight Driver, there is a  homogeneity requirement for display, so I want to know your analysis and proposals.

Hi，Mengyao

For your concern，you need provide input voltage range also the expected temperature. Then I can do the analysis.

Hello Zhiqian,

 the input voltage is from 7V to 19V and worse temp is 85℃.

Hi, Mengyao

Consider the worst case, 7V VIN, 35V VOUT and IOUT is 3*226mA. The peak current go through nFET is 5.53 A, and it is close to our current limit.For the real conclusion, you can test it with EVM board.

Hello Zhiqian,

thanks for your remind.

how to got the 5.53A and can you show me details?

Hi, Mengyao

We have the calculation tool to estimate the current, but it can not share here.

Hi, Mengyao

If you want, pls share the email, I will contact with you.

Hello,

my email address is mengyao.ding@continental-corporation.com

and thanks.

Hi, Mengyao

I will give you a feedback late.

Hello Zhiqian,

 please send the tools to me,thanks

Hi Mengyao,

Zhiqian is out of office and will reply once back to the office.

BR

Monet Xu

HI, Mengyao

I know we have the specific FAE to support Conti, I have shared with him, he will send it to you late.