MAX16840ATB+TQR

LED Driver IC Overview

The MAX16840ATB+TQR is an offline LED driver IC from Analog Devices Inc./Maxim Integrated, designed for AC/DC conversion in lighting applications. It operates with a switching frequency of 300kHz and supports analog dimming capabilities. The device delivers a maximum output current of 800mA per channel and functions within a supply voltage range of 6.5V to 48V. It is housed in a surface-mount 10-TDFN package and is rated for an operating temperature range of -40°C to 125°C (TA).

LED Driver IC Feature Summary

• Integrated MOSFET for compact MR16 and 12VAC input lamp designs.
• Supports SEPIC, Buck, and Boost topologies for versatile power conversion.
• Enables precise analog dimming control for lighting systems.

LED Driver IC Applications

• MR16 LED driver demonstration boards.
• 12VAC input LED lamps.
• Offline AC/DC LED lighting converters.

LED Driver IC Procurement Notes

Verify the specific suffix +TQR against the official datasheet to confirm tape-and-reel packaging and lead-free status. Confirm that the component matches the exact pinout and thermal specifications required for your PCB layout. Check the lifecycle status as obsolete items may require alternative sourcing strategies or design changes.

LED Driver IC Selection Notes

Select this component for applications requiring integrated power switching in low-profile surface-mount packages. Ensure the design accommodates the 300kHz switching frequency and 800mA current limit. Verify compatibility with analog dimming interfaces and the specified input voltage range of 6.5V to 48V for stable operation.

LED Driver IC Part Context

This part belongs to the MAX16840 family of LED drivers, which are optimized for high-efficiency offline power supplies. The TQR suffix typically denotes a specific reel quantity and packaging variant within the standard TDFN-10 footprint used by Maxim Integrated for compact lighting solutions.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete lifecycle status, consult Analog Devices for qualified alternatives or evaluate generic equivalents with matching electrical parameters and package dimensions.