L99LD21Q6TR

Name: L99LD21Q6TR
Brand: STMicroelectronics
SKU: L99LD21Q6TR
Price: 4.3 USD
Availability: OutOfStock

High power LED driver for automotive applications
Learn More about L99LD21Q6TR

Out of stock

$4.30

Key features
Automotive qualified General ST SPI communication v4.1 5.5 to 24V operating battery voltage range Load dump protected QFN40L (wettable flanks) with exposed pad Timeout watchdog with limp home function Low standby current Boost Section Fixed frequency architecture, programmable by SPI Peak current mode control Dual phase operation supported Input current limitation Soft start Overvoltage protection (OVP) Open/short feedback failure protection Constant voltage control Buck section Integrated switching mosfets Lossless current sensing without need of external components Very accurate LED current setting programming inductor's peak current and peak-to-peak current ripple Adjustable peak current by SPI Adjustable current ripple by SPI Integrated PWM generation unit with 10-bit resolution and phase shift Peak current control Fixed off-time architecture Protection and diagnostic Battery under voltage Temperature warning (2 thresholds) Overtemperature shutdown LED voltage digital feedback through SPI Buck outputs short circuit and open load protection

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