PMIC - LED Drivers

Image Part Number Description / PDF Quantity Rfq
TLC5941RHBR

TLC5941RHBR

Texas Instruments

IC LED DRIVER LINEAR 80MA 32VQFN

3275

LP5018RSMR

LP5018RSMR

Texas Instruments

LED DRIVER

0

TPS61050AYZGT

TPS61050AYZGT

Texas Instruments

IC LED DRIVER RGLTR DIM 12DSBGA

12000

TPS92513DGQR

TPS92513DGQR

Texas Instruments

IC LED DRIVER RGLTR DIM 10MSOP

1708

TPS61042DRBTG4

TPS61042DRBTG4

Texas Instruments

IC LED DRVR RGLTR DIM 60MA 8SON

0

TPS92075DR/NOPB

TPS92075DR/NOPB

Texas Instruments

TPS92075 NON-ISOLATED, PHASE DIM

44955

TLC5928PWPR

TLC5928PWPR

Texas Instruments

IC LED DRIVER LIN 35MA 24HTSSOP

21678

TPS92682QDAPRQ1

TPS92682QDAPRQ1

Texas Instruments

DUAL CHANNEL CONSTANT-VOLTAGE AN

2000

TPS61162AYFFR

TPS61162AYFFR

Texas Instruments

IC LED DRIVER RGLTR DIM 9DSBGA

2929

LP8557AYFQT

LP8557AYFQT

Texas Instruments

IC LED DRIVER RGLTR DIM 16DSBGA

500

TPS92660PWP/NOPB

TPS92660PWP/NOPB

Texas Instruments

TPS92660 TPS92660 TWO STRING LED

7165

LP8557AYFQR

LP8557AYFQR

Texas Instruments

LP8557 HIGH-EFFICIENCY LED BACKL

819000

LP8863ADCPRQ1

LP8863ADCPRQ1

Texas Instruments

IC LED DRIVER 6CH 38HTSSOP

0

LM3648YFFR

LM3648YFFR

Texas Instruments

IC LED DRIVER 1.5A 12DSBGA

0

TPS61060YZFR

TPS61060YZFR

Texas Instruments

TPS61060 15V, 400MA SWITCH, 1MHZ

269974

TPS75105DSKT

TPS75105DSKT

Texas Instruments

IC LED DRIVER LIN DIM 25MA 10SON

220

TPS61055YZGR

TPS61055YZGR

Texas Instruments

LED DRIVER, 1-SEGMENT

23960

LP8556SQX-E08/NOPB

LP8556SQX-E08/NOPB

Texas Instruments

IC LED DRIVER RGLTR DIM 24WQFN

2931

TLC5929RGET

TLC5929RGET

Texas Instruments

IC LED DRIVER LINEAR 50MA 24VQFN

0

TLC5954RTQT

TLC5954RTQT

Texas Instruments

IC PWM LED DVR 48CH 56QFN

206

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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