PMIC - LED Drivers

Image Part Number Description / PDF Quantity Rfq
TLC5948APWPR

TLC5948APWPR

Texas Instruments

IC LED DRIVER LIN 60MA 24HTSSOP

0

TPS92512DGQT

TPS92512DGQT

Texas Instruments

IC LED DRIVER RGLTR DIM 10MSOP

2002

LM36272YFFR

LM36272YFFR

Texas Instruments

IC LCD DRIVER 2CH 24DSBGA

0

LM3434SQ/NOPB

LM3434SQ/NOPB

Texas Instruments

LED DRIVER, 1-SEGMENT

0

TPS75100DSKR

TPS75100DSKR

Texas Instruments

IC LED DRIVER LIN DIM 25MA 10SON

130

TPS61169DCKR

TPS61169DCKR

Texas Instruments

IC LED DRVR RGLTR DIM 1.8A SC70

0

LM3410YSDE/NOPB

LM3410YSDE/NOPB

Texas Instruments

IC LED DRVR RGLTR DIM 2.8A 6WSON

0

LM3404MA/NOPB

LM3404MA/NOPB

Texas Instruments

IC LED DRIVER RGLTR DIM 1A 8SOIC

2929

TCA6507PWRG4

TCA6507PWRG4

Texas Instruments

IC LED DRVR LIN DIM 40MA 14TSSOP

0

LM3423Q1MHX/NOPB

LM3423Q1MHX/NOPB

Texas Instruments

IC LED DRIVER CTRLR DIM 20HTSSOP

2139

LM3697YFQR

LM3697YFQR

Texas Instruments

IC LED DRIVER RGLTR 30MA 12DSBGA

7599

TPS92410DR

TPS92410DR

Texas Instruments

TPS92410 SWITCH-CONTROLLED, DIRE

262600

TPS60251RTWR

TPS60251RTWR

Texas Instruments

SWITCHED CAPACITOR CONVERTER

52165

TPS92001D

TPS92001D

Texas Instruments

IC LED DRIVER OFFL DIM 8SOIC

525

TPS92661QPHPRQ1

TPS92661QPHPRQ1

Texas Instruments

IC LED DRIVER RGLTR DIM 48HTQFP

7

LM3404HVMRX/NOPB

LM3404HVMRX/NOPB

Texas Instruments

IC LED DRIVER RGLTR DIM 1A 8SO

16281

LM3644TTYFFR

LM3644TTYFFR

Texas Instruments

IC LED DRIVER RGLTR DIM 12DSBGA

220

LM2759SD/NOPB

LM2759SD/NOPB

Texas Instruments

IC LED DRVR RGLTR DIM 1A 12WSON

393

TPS61150ADRCR

TPS61150ADRCR

Texas Instruments

IC LED DRIVER RGLTR DIM 10VSON

6721

TLC5940NT

TLC5940NT

Texas Instruments

LED DRIVER, 16-SEGMENT, PDIP28

1736

PMIC - LED Drivers

1. Overview

Power Management Integrated Circuits (PMICs) with LED Driver functionality are specialized semiconductor devices designed to regulate and control light-emitting diodes (LEDs) in various applications. These drivers provide precise current control, dimming capabilities, and protection features to ensure optimal LED performance. Their importance in modern technology stems from the widespread adoption of LEDs in energy-efficient lighting, display backlights, and automotive systems due to their compact size, long lifespan, and low power consumption.

2. Main Types and Functional Classification

Type Functional Features Application Examples
Constant Current (CC) Drivers Maintain stable output current regardless of voltage variations LED street lighting, industrial lighting systems
Constant Voltage (CV) Drivers Regulate output voltage with current limiting protection LED strips, architectural lighting
Multi-channel Drivers Independent control of multiple LED strings with synchronization RGB lighting, automotive ambient lighting
Dimming-capable Drivers Support PWM or analog dimming with wide adjustment range Smartphone displays, TV backlighting

3. Structure and Components

Typical PMIC LED Driver structure includes: - Semiconductor die with CMOS/Bipolar processes - Power MOSFETs for current regulation - Precision reference voltage circuits - Protection modules (OVP, OCP, OTP) - Control logic for dimming interfaces - Thermal management substrate Packaged in QFN, TSSOP, or WLCSP formats with 16-48 pins depending on channel count and power rating.

4. Key Technical Specifications

Parameter Description Importance
Input Voltage Range 4.5V to 40V typical operating range Determines compatibility with power sources
Output Current Accuracy 2-5% regulation tolerance Affects LED brightness consistency
Dimming Ratio 1000:1 (PWM) or 20:1 (analog) Defines brightness control resolution
Efficiency 85-95% typical buck converter efficiency Impacts thermal performance and battery life
Switching Frequency 200kHz-2MHz adjustable range Affects EMI and component size

5. Application Areas

Major industries utilizing PMIC LED drivers include: - Consumer Electronics: Smartphones, tablets, TVs - Automotive: Headlights, interior lighting, display backlighting - Industrial: Factory automation lighting, emergency lighting - Medical: Surgical lighting, diagnostic equipment displays - Smart Home: IoT-enabled lighting systems

6. Leading Manufacturers and Products

Manufacturer Product Family Key Features
Texas Instruments TLC59xx series 16-channel PWM control, 12-bit brightness adjustment
STMicroelectronics LED81XX series Automotive-grade, ASIL-B safety compliance
ON Semiconductor Cat4xxx series Low EMI spread spectrum technology
Infineon Technologies IMC108 series Integrated power MOSFETs, 3A per channel

7. Selection Guidelines

Key selection criteria: - Required output current/voltage specifications - Dimming method compatibility (PWM vs analog) - Number of independent channels needed - Package thermal performance requirements - Protection features (IP rating, fault reporting) - Compliance with industry standards (AEC-Q automotive grade) - Cost vs integration level trade-offs

8. Industry Trends

Emerging trends include: - Integration with wireless control (Bluetooth/Zigbee) - Higher integration with MCU cores on single die - Adaptive dimming using AI algorithms - Increased adoption of GaN transistors for higher efficiency - Miniaturization for wearable device applications - Enhanced thermal management solutions for automotive use cases

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