55-W Dual Buck-Boost LED Driver Reference Design for Automotive High and Low Beam Headlight(TIDA-050002)

This reference design describes a TPS92692-Q1 LED driver in a dual, high-beam and low-beam application with a single controller and power stage. The design operates in boost mode to provide the high beam and in boost to battery mode to provide the low beam. The single controller power stage design results in a simpler and more cost-effective lighting system. Additional design flexibility of the TPS92692 device includes analog and PWM dimming support as well as built-in monitoring for fault detection and protection of the continuous LED current. EMI filtering is included and designed to meet CISPR-25, Class 5 conduction requirements.

Возможности

Features
  • Dual mode: Boost mode for high beam + low beam and boot to battery mode for low beam
  • CISPR-25 Class 3 and Class 5 EMI Solutions
  • Spread spectrum frequency modulation
  • Operation through warm crank and load dump
  • Continuous LED current monitoring output

Файлы

Схемы и диаграммы

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Спецификация (BOM)

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55-W Dual Buck-Boost LED Driver Reference Design for Automotive High and Low Beam Headlight TIDA-050002

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