LV52207NXB-VH

LED Driver IC Overview

The LV52207NXB-VH 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 a wide operating voltage range from 2.7V to 5.5V and offers 1-Wire digital dimming with 255 levels alongside PWM dimming capabilities. It includes support for Content Adaptive Backlight Control (CABC) and operates at a switching frequency of 1200kHz. The component provides a 37.5V overvoltage protection threshold and is housed in a WLP9 package measuring 1.31x1.31mm with a 0.4mm pitch.

LED Driver IC Feature Summary

• Dual-channel adjustable constant current sources for independent LED control
• Integrated high-voltage MOSFET eliminating external switch requirements
• Combined 1-Wire digital and PWM dimming interfaces for precise brightness adjustment
• Built-in overvoltage protection to safeguard connected components

LED Driver IC Applications

• Smartphone backlight systems
• Mobile device LED illumination
• Compact portable electronics lighting

LED Driver IC Procurement Notes

Verify the specific suffix against official onsemi documentation to confirm pinout compatibility and thermal characteristics. Ensure the procurement channel provides genuine components with traceable manufacturing data. Cross-reference the ordering number with the latest datasheet revision to avoid discrepancies in packaging or electrical specifications during integration.

LED Driver IC Selection Notes

Select this component for designs requiring a compact solution for dual-LED driving in space-constrained mobile devices. The integrated MOSFET reduces external bill of materials, while the 1-Wire interface simplifies control logic connections. Evaluate the 1200kHz switching frequency against electromagnetic interference constraints and efficiency requirements for the target application environment.

LED Driver IC Part Context

This part belongs to onsemi's LV52207 series of LED drivers optimized for mobile phone displays. It represents a specialized class of power management ICs focused on display backlighting rather than general-purpose power conversion. The series emphasizes miniaturization and advanced dimming protocols suitable for modern smartphone form factors.

LED Driver IC Replacement Considerations

Consult official substitution guides for verified alternatives. Generic equivalents may lack the specific 1-Wire protocol compatibility or integrated MOSFET ratings required for direct replacement without schematic modification.

LED Driver IC FAQ

What is the maximum output voltage capability of the integrated MOSFET?

The integrated MOSFET has a breakdown voltage rating of 40V.

Does the device support content adaptive backlight control?

Yes, the LV52207NXB-VH explicitly supports CABC functionality.