LV52206XA-TSD

LED Driver IC Overview

The LV52206XA-TSD is a Bi-CMOS LSI dual-channel LED boost driver designed for smartphone applications. It features two adjustable constant current sources and an integrated 40V MOSFET. The device supports 1-Wire digital dimming with 255 levels and PWM dimming, as well as Content Adaptive Backlight Control (CABC). Operating voltage ranges from 2.7V to 5.5V with a switching frequency of 1200kHz and a 37.5V overvoltage protection threshold. It is housed in a WLP9 package measuring 1.31x1.31mm with a 0.4mm pitch.

LED Driver IC Feature Summary

• Dual-channel constant current source design for independent LED control
• Integrated 40V power MOSFET for efficient boost conversion
• Supports 1-Wire interface for 255-level digital dimming and PWM dimming
• Enables Content Adaptive Backlight Control (CABC) functionality

LED Driver IC Applications

• Smartphone display backlight driving
• Mobile device LED illumination systems
• Compact portable electronics requiring high-density LED drivers

LED Driver IC Procurement Notes

Verify the specific suffix -TSD against official onsemi documentation to confirm tape-and-reel packaging and quantity specifications. Ensure compatibility with existing PCB footprints for the WLP9 package. Confirm RoHS compliance status through current manufacturer declarations before finalizing procurement plans.

LED Driver IC Selection Notes

Select this component when designing mobile devices requiring dual-channel LED drive with minimal external components. The integrated MOSFET reduces board space compared to discrete solutions. Verify that the system's input voltage range aligns with the 2.7V to 5.5V specification and that the 1-Wire interface is supported by the host controller.

LED Driver IC Part Context

This part belongs to the LV52206XA series of Bi-CMOS LED drivers manufactured by onsemi. It is specifically optimized for mobile phone applications where size and efficiency are critical. The series typically includes variants with different packaging or suffixes to accommodate various manufacturing requirements while maintaining core electrical performance characteristics.

LED Driver IC Replacement Considerations

Check for direct substitutes within the LV52206XA family or compatible LV52207XA variants. Verify pin-to-pin compatibility and identical package dimensions (WLP9) to avoid PCB redesign. Confirm that alternative parts support the same 1-Wire dimming protocol and CABC features required by the original design.