PMIC - LED Drivers

Image Part Number Description / PDF Quantity Rfq
MP3412EJ-LF-Z

MP3412EJ-LF-Z

MPS (Monolithic Power Systems)

IC LED DRIVER

0

TPS61040DDCT

TPS61040DDCT

Texas Instruments

TPS61040 28-V, 400-MA SWITCH BOO

45750

SP7685ER-L/TR

SP7685ER-L/TR

MaxLinear

IC LED DRIVER RGLTR DIM 10DFN

1284

LT3964EUHE#PBF

LT3964EUHE#PBF

Analog Devices, Inc.

IC LED DRIVER DUAL I2C 36QFN

0

XDPL8220XUMA1

XDPL8220XUMA1

IR (Infineon Technologies)

XDPL822 - LED DRIVER DIMMABLE

69835

TPS92660PWPR/NOPB

TPS92660PWPR/NOPB

Texas Instruments

IC LED DRIVER CTRLR DIM 20HTSSOP

0

ALED1262ZTTR

ALED1262ZTTR

STMicroelectronics

AUTOMOTIVE-GRADE 12-CHANNEL LED

826

LT3755EMSE-1#PBF

LT3755EMSE-1#PBF

Analog Devices, Inc.

IC LED DRIVER CTRLR DIM 16MSOP

0

AD8240YRM

AD8240YRM

Analog Devices, Inc.

IC LED DRIVER LIN DIM 15MA 8MSOP

0

IS31LT3957A-ZLS4-TR

IS31LT3957A-ZLS4-TR

Lumissil Microsystems

IC HIGH VOLTAGE LED LIGHTING CON

2490

LT3745EUJ-1#TRPBF

LT3745EUJ-1#TRPBF

Analog Devices, Inc.

IC LED DRVR CTRLR DIM 75MA 40QFN

0

LM3632AYFFR

LM3632AYFFR

Texas Instruments

IC LED FLASH DVR 1.5A 30DSBGA

0

LT3966JUJ#PBF

LT3966JUJ#PBF

Analog Devices, Inc.

60VIN, 1.5A/60V POWER SWITCH QUA

51

SC443ULTRT

SC443ULTRT

Semtech

IC LED DRVR RGLTR DIM 30MA 16MLP

1

PCA9550D,112

PCA9550D,112

NXP Semiconductors

IC LED DRIVER LIN DIM 25MA 8SO

5627

MSL2023-IN

MSL2023-IN

Atmel (Microchip Technology)

LED DRIVER, 2-SEGMENT

1598

LTC3209EUF-1#TRPBF

LTC3209EUF-1#TRPBF

Analog Devices, Inc.

IC LED DRIVER RGLTR DIM 20QFN

0

ASL4501SHNY

ASL4501SHNY

NXP Semiconductors

BOOST CONVERTER

0

MP3304ADD-LF-P

MP3304ADD-LF-P

MPS (Monolithic Power Systems)

IC LED DRIVER

0

LED1642GWQTR

LED1642GWQTR

STMicroelectronics

IC LED DRIVER LIN DIM 40MA 24QFN

0

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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