LED driver with integrated spread spectrum reduces EMI without adding flicker

LED driver with integrated spread spectrum reduces EMI without adding flicker

Feature articles |
Automotive LED drivers should be compact, efficient and support flicker-free PWM dimming. They should not produce significant conducted EMI at and around the AM radio band. Unfortunately, low EMI is not in the nature of high power switch mode power supplies.
By eeNews Europe

Share:

14.00

The constant switching frequency produces a significant EMI signature at a number of frequencies, including the power supply’s fundamental operating frequency and its harmonics.

Read the full article on page 24 of our December digital edition.

Normal
0

false
false
false

EN-US
JA
X-NONE

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:”Table Normal”;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:””;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:12.0pt;
font-family:”Cambria”,”serif”;
mso-ascii-font-family:Cambria;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Cambria;
mso-hansi-theme-font:minor-latin;
mso-ansi-language:EN-US;
mso-fareast-language:EN-US;}

Linked Articles
eeNews Europe
10s