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The MSL4164BT-R is a linear LED driver IC featuring 16 output channels designed for simultaneous dimming of LEDs. It supports linear and PWM dimming methods with an output current of 60mA per channel. The device operates within a temperature range of -40°C to +85°C and is housed in a 40-TQFN (6x6) package.
Verify the specific suffix 'BT-R' against official Microchip documentation to confirm tape-and-reel packaging and moisture sensitivity level requirements. Ensure compatibility with the 40-TQFN footprint during PCB layout. Cross-reference the manufacturer part number to distinguish between Atmel legacy markings and current Microchip branding.
Select this component when 16-channel simultaneous dimming is required for white or RGB LED arrays. The linear architecture suits applications where low noise and simple control interfaces are prioritized over high-efficiency switching. Verify that the 60mA output current meets the load requirements and that the TQFN package fits the thermal constraints.
This device belongs to the Atmel MSL series of LED drivers, now under Microchip Technology. It is engineered for high-density LED arrays in displays and lighting. The series emphasizes integrated control features to reduce external component count and simplify system design for professional lighting solutions.
Consult official Microchip substitution guides for verified equivalents. Generic replacements may lack the specific 16-channel synchronization or PWM linearity characteristics.