LED Drivers

Semtech manufactures an extensive line of LED driver ICs for LCD display backlight and LED camera flash applications. They include inductor-based boost LED drivers for series-connected LEDs and charge pump LED drivers and low-dropout current sinks for parallel-connected LEDs. Each LED Driver topology is designed for optimal high efficiency in the smallest footprint with accurate current regulation, low noise, and a wide dimming range.

LED Driver Product Families

 
Resources

LED Drivers
   
news-btn SC445 High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
SC104 Micro-Power Constant-Current DC/DC Converter
SC440 High Effi ciency Integrated Driver for 6-Strings of 30mA LEDs
SC440A High Efficiency Integrated Driver for 6-Strings of 30mA LEDs
SC441A High Efficiency Integrated Driver for 4-Strings of 150mA LEDs - AEC-Q100 Qualified
SC441C High Efficiency Integrated Driver for 4-Strings of 150mA LEDs - High Voltage Input
SC442 10-Channel, Integrated, High Efficiency 120 White LED Driver
SC443 High Efficiency Integrated Boost Driver for 3-Strings of 30mA LEDs
SC446 High Efficiency Integrated Driver for 3-Strings of 100mA LEDs
SC4505 High Efficiency Boost Converter for Backlight / Flash LED Driver
SC4509 Highly Integrated Boost Converter for White LED Applications in MLPD-W8-2x2
SC4538 High Efficiency Boost Converter for up to 10 LEDs
SC4539 High Efficiency Boost Converter for up to 6 LEDS
SC4540 High Efficiency Boost Converter for up to 10 LEDs
SC4541 High Frequency LED Driver with Integrated Schottky and Simple Interconnect
SC5010 High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
SC5010H High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
SC5012 High Efficiency 4-Ch, 150mA/Ch LED Driver with I2C Interface and Phase-Shifted PWM Dimming
SC5012Q High Efficiency 4-Ch, 150mA/Ch LED Driver with I2C Interface and Phase-Shifted PWM Dimming
SC5014 High Efficiency 4-Channel HB LED Driver with I2C Interface and Phase-Shifted PWM Dimming
SC5014A High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming
SC604A Not Recommended for New Designs; use SC652 or SC658
SC606 Charge Pump LED Driver for 6BL + Limited I2C Interface
SC620 Current Sink LED Driver for 8 BL + I2C Interface
SC621 Charge Pump LED Driver for 4BL + 400mA Flash + 2LDO + SemWire Interface
SC621A Charge Pump LED Driver for 4BL + 400mA Flash + 2LDO + I2C Interface
SC622 Charge Pump LED Driver for 400mA Flash + 2LDO + SemWire Interface
SC622A Charge Pump LED Driver for 400mA Flash + 2LDO + I2C Interface
SC623 Charge Pump LED Driver for 4BL + 400mA Flash + SemWire Interface
SC623A Charge Pump LED Driver for 4BL + 400mA Flash + I2C Interface
SC624 Charge Pump LED Driver for 4BL + 2LDO + SemWire Interface
SC624A Charge Pump LED Driver for 4BL + 2LDO + I2C Interface
SC627 Charge Pump LED Driver for 4BL + 700mA Flash + 2LDO + SemWire Interface
SC627A Charge Pump LED Driver for 4BL + 700mA Flash + 2LDO + I2C Interface
SC628A Charge Pump LED Driver for 1000mA Flash + I2C Interface
SC635 Charge Pump LED Driver for 200mA Flash (40% Torch) + Logic Interface
SC643 Charge Pump LED Driver for 5BL + 4LDO + SemPulse Interface
SC644 Charge Pump LED Driver for 6BL + 4LDO + SemPulse Interface
SC652 Charge Pump LED Driver for 5BL + PWM Interface
SC653 Charge Pump LED Driver for 4BL + 2LDO + SemPulse Interface
SC654 Charge Pump LED Driver for 6BL + SemPulse Interface
SC656 Charge Pump LED Driver for 7BL + Dual PWM Interfaces
SC657 Charge Pump LED Driver for 5BL + SemPulse Interface
SC658 Charge Pump LED Driver for 4BL + SemPulse Interface
SC662 Backlight Driver for 6 LEDs with SemPulse® Interface
SC667 7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs
SC668 8 LED Light Management Unit Automatic Dropout Prevention , Ambient Light Sense Input, PWM Dimming, and 4 LDOs