PMIC - LED Drivers

Image Part Number Description / PDF Quantity Rfq
CAT4002ATD-GT3

CAT4002ATD-GT3

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER LIN DIM TSOT23-6

414336000

CAT4201TD-GT3

CAT4201TD-GT3

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER RGLTR DIM TSOT23-5

380

CAT9532YI-T2

CAT9532YI-T2

Sanyo Semiconductor/ON Semiconductor

IC LED DRVR LIN DIM 25MA 24TSSOP

103810000

FAN5626LX

FAN5626LX

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER LIN DIM 10MICROPAK

4731

NCL30488A3DR2G

NCL30488A3DR2G

Sanyo Semiconductor/ON Semiconductor

SINGLE STAGE CC/CV PSR CONTROLLE

2480

NCL30386B2DR2G

NCL30386B2DR2G

Sanyo Semiconductor/ON Semiconductor

IC PFC FLYBACK CTLR DIM 9SOIC

0

CAT9532HV6I-GT2

CAT9532HV6I-GT2

Sanyo Semiconductor/ON Semiconductor

IC LED DRVR LIN DIM 25MA 24TQFN

204

NCV7685DQR2G

NCV7685DQR2G

Sanyo Semiconductor/ON Semiconductor

IC 12CH 60MA LED DRIVER

0

NCL30105DR2G

NCL30105DR2G

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER LINEAR DIM 8SOIC

0

NCV78723MW2R2G

NCV78723MW2R2G

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER 24QFNW

0

NCP5623CMUTBG

NCP5623CMUTBG

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER RGLTR 30MA 12LLGA

276

LV5239TAZ-NH

LV5239TAZ-NH

Sanyo Semiconductor/ON Semiconductor

IC LED DRVR LIN DIM 100MA 48TQFP

0

FL7733AMX

FL7733AMX

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER OFFLINE DIM 8SOP

1526

NCL30170ADR2G

NCL30170ADR2G

Sanyo Semiconductor/ON Semiconductor

DACD FOR LED LIGHTING

3312

NCL30088DDR2G

NCL30088DDR2G

Sanyo Semiconductor/ON Semiconductor

IC LED LIGHTING CONTROLLER 8SOIC

2445

CAT4104V-GT3

CAT4104V-GT3

Sanyo Semiconductor/ON Semiconductor

IC LED DRVR LIN DIM 175MA 8SOIC

39

FAN5702UMP20X

FAN5702UMP20X

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER RGLTR DIM 16UMLP

0

FAN5702UC30X

FAN5702UC30X

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER RGLTR DIM 16WLCSP

2020

CAT4016HV6-GT2

CAT4016HV6-GT2

Sanyo Semiconductor/ON Semiconductor

IC LED DRVR LIN DIM 80MA 24TQFN

0

CAT3604VHV4-GT2

CAT3604VHV4-GT2

Sanyo Semiconductor/ON Semiconductor

IC LED DRIVER RGLTR DIM 16TQFN

5300

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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