This automotive reference design details a solution for a turn indicator application. The automotive battery directly supplies the TPS92830-Q1 linear lightemitting-diode (LED) controller used in this design. This reference design features robust electromagnetic compatibility (EMC) performance, full protection, diagnostics and MOSFET thermal protection.
Features
- Automotive Battery Supply
- Meets CISPR 25 Conducted and Radiated Emission Standards and Passes ISO11452-4 BCI Test
- LED-String Open-Circuit, Short-to-Ground, and Short-to-Battery Diagnostics With Auto Recovery
- Fault Bus Configurable as One-Fails–All-Fail or Only-Failed-Channel-Off
- MOSFET Thermal Protection by Using Analog Dimming Input Pin