LM36922YFFR - Texas Instruments

Manufacturer Part Number

LM36922YFFR

Manufacturer

Texas Instruments

Introduction

LM36922YFFR is a power management LED driver designed for backlight applications.

Product Features and Performance

Integrated DC DC step-up (boost) regulator

Dual output channels for driving LEDs

Programmable via I2C and PWM for dimming

Internal power switches for efficiency

High-frequency operation at 500kHz or 1MHz

Supports a wide input voltage range from 2.5V to 5.5V

Capable of providing an output voltage up to 38V

Delivers up to 25mA per output channel

Designed for use in small form-factor applications

Product Advantages

Boost topology enables driving LEDs with higher voltage

Dual output offers flexibility in driving multiple LED arrays

I2C and PWM dimming provide precise control over brightness

Compact 12-UFBGA, DSBGA package saves board space

Key Technical Parameters

Voltage Supply (Min): 2.5V

Voltage Supply (Max): 5.5V

Voltage Output: 38V

Current Output / Channel: 25mA

Frequency options: 500kHz or 1MHz

Quality and Safety Features

Built-in thermal shutdown and overcurrent protection

Reliable performance across a wide operating temperature range of -40°C to 85°C

Compatibility

Designed for surface mount technology (SMT)

Compatible with various MCU interfaces for I2C and PWM control

Application Areas

Ideal for LED backlighting in portable devices like smartphones and tablets

Product Lifecycle

Product status is active

No indication of discontinuation, replacements, or upgrades are available

Several Key Reasons to Choose This Product

Texas Instruments' reputation for high-quality and reliable power solutions

High-efficiency boost converter design with two outputs reduces component count

Comprehensive dimming options enhance user experience and power savings

Optimized for low-power, space-constrained applications

The ability to operate at different switch frequencies (500kHz, 1MHz) allows for performance tuning

Robust safety features ensure long-term reliability