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LED Drivers

Product catalog summary

Overview: The document offers a detailed examination of different LED driver types, including Boost Converter, Buck Converter, Buck-Boost, Inductorless, and others, with specific technical details for each category.

Boost Converter LED Drivers: These drivers are ideal for high output voltage and current applications. Key specifications include supply voltage, number of LEDs, output voltage, switching frequency, and control methods. Models like BD6583MUV-A and BD9486F feature PWM and analog signal control interfaces.

Buck Converter LED Drivers: Suitable for lower voltage applications, these drivers offer overcurrent protection and come in various package types. Models such as BM531Q11 and BD94062F are noted for their efficiency and protection features.

Buck-Boost LED Drivers: These drivers offer voltage conversion flexibility, supporting both buck and boost operations. They include PWM dimming capabilities and are designed for automotive applications, compliant with AEC-Q100 standards.

Inductorless (Charge Pump) LED Drivers: Eliminating the need for inductors, these drivers are compact and efficient for low-power applications, featuring built-in current DACs and I2C interfaces for precise control.

Dynamic Indicator LED Bypass Switch: This section discusses matrix LED controllers for sequential lighting applications, offering low ON resistance and high current capacity, suitable for automotive lighting systems.

Constant Current/Serial-in Parallel-out LED Drivers: These drivers provide consistent current delivery across multiple LEDs, with built-in DACs for brightness control and I2C interfaces for easy integration.

LED Drivers for Lighting: This category includes ACDC controller ICs with built-in MOSFETs for efficient LED lighting solutions, supporting a wide range of input voltages and offering PFC functions for improved power efficiency.

Conclusion: The document details technical specifications for a variety of LED drivers, addressing applications from automotive to general lighting. Each driver type is tailored to meet specific requirements, ensuring optimal performance and compliance with industry standards.

Catalog excerpts

LED Drivers LED Drivers Boost Converter LED Drivers Buck Converter LED Drivers Buck-Boost LED Drivers LED Drivers for Lighting Inductorless (Charge Pump) LED Drivers Dynamic Indicator LED Bypass Switch (Matrix LED Controller) Constant Current/Serial-in Parallel-out LED Drivers

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LED Drivers LED Drivers LED Drivers LED Drivers Boost Converter LED Drivers White LED Drivers with External FET Part No. Primary Brightness Control Method Control Interface Max 72 12series×6strings in parallel (VF restrictions exist) PWM signal from the PWMPOW/PWMDRV terminal Resistance switching at the ISET terminal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal PWM signal Analog signal Max 72 12series×6strings in parallel...

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LED Drivers Boost Converter LED Drivers White LED Driver for Head Light Part No. Maximum Input Voltage (V) Output Curren Dimmer Mode Head Lamp/DRL Depend on Extra parts ◎ComfySILTM is a trademark or a registered trademark of ROHM Co., Ltd. *1 For more information about “ComfySILTM Functional Safety”, please refer to the of the cover. Buck Converter LED Drivers Buck Converter LED Lighting Drivers for DC/DC Converter type Supply Voltage (V) Switching Terminal Voltage (V) Over Current Protection White LED Drivers for PFC Direct Connection Current Resonance type Part No. Drive Method Oscillation...

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LED Drivers Constant Current/Serial-in Parallel-out LED Drivers Parallel-out LED Drivers Part No. Constant Current Driver Resistance change at ISET terminal 32mA Max 3% (at an ISET resistance of 120kΩ) (at 1V LED pin voltage) Resistance change at ISET terminal Max 10% Built-in 30.48mA (at an ISET resistance of 120kΩ) (at 1V LED pin voltage) 128-step current DAC Resistance change at ISET terminal Built-in Max 10% 128-step current DAC/ 30.48mA (at an ISET resistance of 120kΩ) (at 1V LED pin voltage) Inductorless (Charge Pump) Max Current Setting Method Channel-to-Channel Matching Control Interface...

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All ROHM Semiconductor catalogs and technical brochures

Archived catalogs

Quasi-resonant AC/DC Converter Built-in 1700 V SiC-MOSFET
36 Pages