TIDA-01375 Reference Design

Texas Instruments

EMC-Compliant Automotive Daytime Running Light and Position Light Reference Design

Description

This reference design details a solution for an automotive daytime running light (DRL) and position light. The TPS92830-Q1 linear LED controller used in this design is directly supplied from the automotive battery: allowing you to use the same LEDs for both functions. This reference design also features good EMC performance: full protection and diagnostics.

Features
  • Automotive Battery SupplyMeets CISPR 25 Conducted and Radiated Emission Standards and Passed ISO11452-4 BCI TestDRL/Position Light Reuse by Using Device Internal PWM GeneratorLED String Open Circuit: Short to Ground and Short to Battery Diagnostics With Auto RecoveryFault Bus Configurable as One-Fails–All-Fail or Only-Failed-Channel-OffLED Thermal Protection
Applications
Product Categories
  • Power management