MAX25603AUI/V+

MAX25603AUI/V+ is a synchronous, automotive four-switch buck-boost LED controller for combination head lights. The controller regulates the LED current for LED string voltages from 0V to 60V. The MAX25603 can be used as a seamless buck-boost LED driver for applications that require an efficient buck-boost LED driver with synchronous rectification. The MAX25603 is ideal for high-power applications that require a current source with PWM dimming capability. The device provides seamless transition between buck, boost, and buck-boost modes depending on the ratio of input to output voltage. The MAX25603 is ideal for LED driver applications in automotive, industrial, and other LED lighting applications. Suitable for combination automotive head lamps applications.

• Automotive ready: AEC-Q100 qualified
• Integration minimizes BOM for high-brightness LED driver, saving space and reducing cost
• Wide input voltage range from 5V to 60V and H-bridge single inductor buck-boost architecture
• Built-in LED current limit during transients, suitable for dual-string applications w/ timesharing
• Full featured dual string driver: analogue and PWM dimming on both channels (EN1 and EN2)
• Proprietary control architecture limits LED current spikes and spike duration in dual-string mode
• Flicker-free PWM dimming with spread spectrum, dual Integrated pMOS dimming FET gate driver
• Protection features and wide temperature range increase system reliability
• Short circuit, overvoltage, thermal protection and fast LED current limit and input current limiter
• 28 TSSOP-EP package and temperature range from -40°C to 125°C

Remarques

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