L99LD20Q6TR

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High power LED driver for automotive applications

Quantity $ per Unit Savings
1 - 9$3.550%
10 - 24$3.2010%
25 - 99$3.0215%
100 - 249$2.6226%
250 - 499$2.4830%
500$2.2337%
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In stock
$3.55
Parameter NameParameter Value
Supply Voltage Min Volt5.5
Supply Voltage Max Volt24.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
GradeAutomotive
Package NameVFQFPN 6X6
Key features
  • AEC-Q100 qualified
  • General
    • ST SPI communication v4.1
    • 5.5 to 24 V Operating battery voltage range
    • Load dump protected
    • QFN40L 6x6 (wettable flanks) with exposed pad
    • Timeout watchdog and limp home function
    • Low standby current
  • 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
    • Constant VLED x TOFF 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