PMIC - LED Drivers

Image Part Number Description / PDF Quantity Rfq
BCR421UE6327HTSA1

BCR421UE6327HTSA1

IR (Infineon Technologies)

IC LED DRVR LIN DIM 200MA SC74-6

24193

ILD8150EXUMA1

ILD8150EXUMA1

IR (Infineon Technologies)

LED DRIVER

0

TLD5098ELXUMA1

TLD5098ELXUMA1

IR (Infineon Technologies)

IC LED DRIVER CTRLR DIM 14SSOP

0

TLD21321EPXUMA1

TLD21321EPXUMA1

IR (Infineon Technologies)

LITIX

0

ICL8002G

ICL8002G

IR (Infineon Technologies)

FLYBACK AND PFC LED CONTROLLER

2280

TLD5095ELXUMA1

TLD5095ELXUMA1

IR (Infineon Technologies)

IC LED DRIVER CTRLR DIM 14SSOP

291

TLD21421EPXUMA1

TLD21421EPXUMA1

IR (Infineon Technologies)

LITIX

3000

XDPL8220XUMA1

XDPL8220XUMA1

IR (Infineon Technologies)

XDPL822 - LED DRIVER DIMMABLE

69835

TLD2311ELXUMA1

TLD2311ELXUMA1

IR (Infineon Technologies)

IC LED DRIVER LINEAR 14SSOP

2002

TLD2326ELXUMA1

TLD2326ELXUMA1

IR (Infineon Technologies)

TLD2326 - 3 CHANNEL HIGH SIDE CU

14965

TLD55012QVXUMA1

TLD55012QVXUMA1

IR (Infineon Technologies)

IC LED DVR DCDC BUCK 48VQFN

0

BCR402WH6327XTSA1

BCR402WH6327XTSA1

IR (Infineon Technologies)

IC LED DRIVER LIN 60MA SOT343-4

6065

TLD21413EPXUMA1

TLD21413EPXUMA1

IR (Infineon Technologies)

LITIX

3000

ICL5102HVXUMA1

ICL5102HVXUMA1

IR (Infineon Technologies)

IC LED DRIVER CONTROLLER

197

TLD1125ELXUMA1

TLD1125ELXUMA1

IR (Infineon Technologies)

IC LED DRIVER LINEAR 14SSOP

0

TLD22522EPXUMA1

TLD22522EPXUMA1

IR (Infineon Technologies)

IC GATE DRIVER HIS SIDE

3000

XDPL8219XUMA1

XDPL8219XUMA1

IR (Infineon Technologies)

LED LIGHTING

2315

IRS2541PBF

IRS2541PBF

IR (Infineon Technologies)

SWITCHING CONTROLLER

300

BCR602XTSA1

BCR602XTSA1

IR (Infineon Technologies)

LED DRIVER

9777

TLD21313EPXUMA1

TLD21313EPXUMA1

IR (Infineon Technologies)

LITIX

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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