LM36922HYFFR

LED Driver IC Overview

The LM36922HYFFR is a Texas Instruments LED driver IC featuring a boost topology with two independent output channels. It operates within a supply voltage range of 2.5 V to 5.5 V and delivers an output current of 25 mA per channel, supporting up to 38 V output voltage. The device integrates an internal switch and supports adjustable switching frequencies of 500 kHz or 1 MHz. It utilizes a 12-DSBGA package and functions reliably across a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Supports direct PWM dimming for precise brightness control
• Enables system-level power management through Content-Adaptive Brightness Control (CABC)
• Provides flexible configuration via I2C digital interface
• Includes protection mechanisms such as overvoltage protection and thermal shutdown

LED Driver IC Applications

• Mobile device backlighting
• Portable electronic displays
• Handheld communication devices

LED Driver IC Procurement Notes

Verify the specific suffix 'HYFFR' against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with I2C bus requirements and check for RoHS compliance status in the latest manufacturer documentation before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing dual-string white LED backlight systems requiring high efficiency and compact form factors. Consider its 25 mA output capability and 12-pin DSBGA footprint for space-constrained mobile applications. Evaluate the need for I2C control versus fixed resistor configurations based on system complexity.

LED Driver IC Part Context

This part belongs to the LM36922H series of highly efficient dual-string white LED drivers. It is designed specifically for portable electronics where power conservation and small board area are critical. The series shares core architecture with related models but differs in pinout and specific feature sets.

LED Driver IC Replacement Considerations

Consult the official cross-reference list for verified substitutes. Direct replacements must maintain identical pinout, electrical characteristics, and package dimensions to ensure seamless integration without PCB redesign.

LED Driver IC FAQ

What control interfaces does the LM36922HYFFR support?

The device supports I2C digital control for configuration and direct PWM dimming input for brightness adjustment.

Does the LM36922HYFFR include content-adaptive brightness control?

Yes, it features Content-Adaptive Brightness Control (CABC) to optimize power consumption based on displayed image content.