aerobotics

24W Boost and Boost to Battery Voltage Reference Design for Automotive LED Lighting

TIDA-01234

 
Overview

TIDA-01234 is a 24W high efficiency (94%) low-cost asynchronous boost reference design for automotive LED applications based on LM3481-Q1.
This reference design is suitable for automotive high-intensity lighting systems such as headlights and taillights, as well as interior LED lighting systems. It is designed to operate over an input voltage range of 6V to 18V and is capable of driving multiple strings of 6 to 7 LEDs in series (16V to 24V) at a constant current of 1A. This reference design supports analog LED brightness control and output open circuit protection. In a boost-to-battery configuration, the input voltage can be above, below, or equal to the desired LED string voltage.

characteristic
  • ● 24W automotive LED driver solution
  • ● Achieve 94% system efficiency for boost at full load and 12V input voltage; 88.9% system efficiency for boost to battery at full load and 12V input voltage
  • ● Open circuit protection
  • ● Switching frequency: 350kHz

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Update:2025-06-26 21:16:37

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