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Semtech SC5012Q

Semtech SC5012Q

High Efficiency 4-Ch, 150mA/Ch LED Driver with I2C Interface and Phase-Shifted PWM Dimming


The SC5012/Q is a 4-channel high-precision, high-efficiency step-up (Boost) HB LED driver designed for backlight applications. It features wide input voltage range (4.75V to 45V) , flexible output configuration, wide analog and PWM dimming range, phase shifting, optional fading, external boost controller frequency synchronization (FSYNC), I2C interface, and numerous protection features.


  • Input Voltage — 4.75V to 45V
  • Output Voltage — Up to 65V
  • Step-up (Boost) Controller
  • Ulta-Fast Transient Response
  • Programmable Switching Frequency
  • External Sync Frequency for Boost Controller
  • Linear Current Sinks
  • 4 Strings, up to 150mA/String
  • Current Matching ±1%
  • Current Accuracy ±2%
  • PWM Dimming
  • String-by-String Phase Shifting
  • Dimming Frequency 100Hz-30kHz
  • User Selectable 9 or 10 Bits Dimming Resolution
  • Optional Synchronization to VSYNC/HSYNC Signal
  • External Frequency Synchronization, FSYNC
  • 8-bit Analog Dimming
  • I2C Interface
  • Fault Status — Open/Short LED, OTP
  • Device Control: SYNC Freq, PLL Setting
  • Protection Features
  • Open/Shorted LED(s) and adjustable OVP
  • Over-Temperature
  • 4mm X 4mm 24 Ld QFN Package
  • AEC-Q100 Qualified Version Available


  • Medium-sized LCD Panel
  • Automotive Car Navigation/Information Display
  • LCD Monitors
  • Automotive AEC-Q100 Qualified Application


  • 4mm X 4mm 24 Ld QFN

Order Codes

  • SC5012QMLTRT - Device is AEC-Q100 qualified
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