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The IS32LT3168-GRLA3-TR is a single-channel linear LED driver IC designed for automotive applications. It features PWM dimming capability and supports an output current of 200mA. The device operates within a supply voltage range of 2.5V to 5.5V and withstands output voltages up to 42V. It is housed in an 8-SOP-EP package with exposed pad, suitable for surface mount installation. The component is qualified to AEC-Q100 standards and functions reliably across a temperature range of -40°C to 125°C.
Verify the specific ordering suffix GRLA3-TR against the manufacturer's latest documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the AEC-Q100 automotive grade rating aligns with your system's environmental requirements. Check for any recent Product Change Notifications or End-of-Life notices from Lumissil Microsystems prior to finalizing procurement plans.
Select this component when a single-channel solution with integrated PWM dimming is required for automotive environments. The 200mA output current suits standard automotive LED strings. Ensure the 42V output voltage rating exceeds the maximum forward voltage of the connected LED array. The 8-SOP-EP package requires appropriate PCB thermal relief designs to utilize the exposed pad effectively.
This part belongs to the Lumissil IS32LT series of linear LED drivers. These components are engineered specifically for the automotive sector, offering robust protection features and high reliability. The series provides various channel configurations to support diverse lighting architectures while maintaining compliance with strict automotive quality standards.
IS32LT3178-GRLA3-TR is a confirmed substitute part number listed by distributors.