What are LED Drivers ?
LED Drivers are specialized integrated circuits designed to regulate power for LED lighting systems. They are commonly used in applications such as industrial power management, lighting control, and display systems. Important specifications for selection include Current, which affects brightness and efficiency; Dimming capability, which allows for adjustable light levels; and Operating Temperature, which ensures reliability under varying environmental conditions. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Applications | Current | Dimming | Frequency | Internal Switch(s) | Mounting Type | Number of Outputs | Operating Temperature | Supplier Device Package | Topology | Type | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Richtek
|
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Backlight | - | I²C, PWM | 1.1MHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TA) | 10-WLCSP (0.87x2.07) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
STMicroelectronics
|
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Backlight | 60mA | PWM | 30MHz | Yes | Surface Mount | 16 | -40°C ~ 125°C (TA) | 24-SO | Shift Register | Linear | 3V | |
Monolithic Power Systems
|
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Automotive, Backlight, Lighting, Signage | - | Analog, PWM | 1MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | TSOT-23-6 | Step-Down (Buck) | DC DC Controller | 6V | |
On Semiconductor
|
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Lighting | - | Analog | 190kHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 10-SOIC | - | Linear | 9V | |
Monolithic Power Systems
|
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Automotive, Backlight, Lighting | - | Analog, PWM | 600kHz | No | Surface Mount | 1 | - | 16-SOIC | SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 8V | |
Taiwan Semiconductor
|
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Backlight, Lighting | 2A (Switch) | - | 330kHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOP | Step-Down (Buck) | DC DC Regulator | 3.6V | |
Texas Instruments
|
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Backlight | 30mA | PWM | 500kHz | Yes | Surface Mount | 3 | -40°C ~ 125°C (TJ) | 16-DSBGA | Step-Up (Boost) | DC DC Regulator | 2.7V | |
Texas Instruments
|
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Backlight | 25mA | PWM | - | Yes | Surface Mount | 4 | -40°C ~ 85°C (TJ) | 9-DSBGA | - | Linear | 2.7V | |
Texas Instruments
|
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Backlight | 25.5mA | PWM | 1.25MHz | Yes | Surface Mount | 9 | -30°C ~ 85°C (TA) | 25-uSMD | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.7V | |
ROHM Semiconductor
|
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Automotive | 50mA | PWM | 1.25MHz | Yes | Surface Mount | 12 | -40°C ~ 105°C (TA) | 28-HTSSOP-B | Shift Register | Linear | 3V | |
NXP Semiconductors
|
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Backlight | 25mA | I²C, SMBus | 400kHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TA) | 8-TSSOP | - | Linear | 2.3V | |
Monolithic Power Systems
|
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Lighting | - | Triac | - | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 8-SOIC | Flyback | AC DC Offline Switcher | 11V | |
STMicroelectronics
|
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Backlight, Camera Flash | 300mA (Flash) | PWM, Single-Wire | 1.3MHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TA) | 16-QFN (3x3) | Step-Up (Boost), Switched Capacitor (Charge Pump) | DC DC Regulator | 2.8V | |
Richtek
|
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Backlight | 20mA | PWM | 1MHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TA) | 9-WLCSP (1.35x1.35) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
NXP Semiconductors
|
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- | 25mA | I²C | 400kHz | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | 8-TSSOP | - | Linear | 2.3V | |
NXP Semiconductors
|
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Backlight | 25mA | I²C | 25MHz | Yes | Surface Mount | 8 | -40°C ~ 85°C (TA) | 20-HVQFN (5x5) | - | Power Switch | 2.3V | |
Richtek
|
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Backlight, Lighting | - | Analog, PWM | 100kHz ~ 1MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 14-SOP | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V | |
|
Analog Devices / Maxim Integrated
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Taiwan Semiconductor
|
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Backlight | 700mA | - | - | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | TO-252-5 | - | Linear | 5V | |
Texas Instruments
|
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Camera Flash | 400mA (Flash) | PWM | 725kHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 10-SON (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 3V | |
Analog Devices / Maxim Integrated
|
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Automotive, Lighting, Signage | 100mA | PWM | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 6-TDFN (3x3) | - | Linear | 5V | |
Analog Devices / Maxim Integrated
|
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Backlight | - | - | - | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | 24-LFCSP-VQ (4x4) | Step-Up (Boost) | DC DC Regulator | 2.7V | |
STMicroelectronics
|
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- | 40mA | - | 30MHz | Yes | Surface Mount | 16 | -40°C ~ 125°C (TA) | 24-SOP | Shift Register | Linear | 3V | |
Allegro Microsystems
|
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Automotive, Backlight | 180mA | Analog, PWM | 260kHz ~ 2.3MHz | No | Surface Mount | 6 | -40°C ~ 125°C (TA) | 48-QFN-EP (7x7) | SEPIC, Step-Up (Boost) | DC DC Regulator | 4.5V | |
Microchip Technology
|
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Lighting | - | PWM | - | No | Surface Mount | 2 | -40°C ~ 105°C (TA) | 24-VQFN (4x4) | Flyback, Step-Down (Buck) | AC DC Offline Switcher | 9.5V | |
STMicroelectronics
|
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Camera Flash | 1.5A (Switch) | - | 1.8MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 25-TFBGA (3x3) | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 2.5V | |
Analog Devices / Maxim Integrated
|
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Backlight, Camera Flash | 24mA | I²C | 1MHz | Yes | Surface Mount | 6 | -40°C ~ 85°C (TA) | 16-TQFN (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.7V | |
Analog Devices / Maxim Integrated
|
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- | 150mA | PWM | 850kHz | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | 16-QFN (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.9V | |
Analog Devices / Maxim Integrated
|
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- | 150mA | PWM | 850kHz | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | 16-QFN (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.9V | |
|
Microchip Technology
|
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Backlight | 30mA | PWM | - | Yes | Surface Mount | 16 | -40°C ~ 85°C (TA) | 32-SOP | - | Linear | 4.75V | |
Analog Devices / Maxim Integrated
|
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Automotive, Lighting | 20mA | Analog, PWM | 400kHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 16-TSSOP-EP | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 5V | |
NXP Semiconductors
|
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Automotive, Lighting | - | - | 130MHz ~ 250MHz | No | Surface Mount | 4 | -40°C ~ 125°C (TA) | 32-HVQFN (5x5) | Step-Up (Boost) | DC DC Regulator | 5.5V | |
Texas Instruments
|
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Backlight | 20mA | PWM | - | Yes | Surface Mount | 48 | -40°C ~ 85°C (TA) | 96-NFBGA (6x6) | - | Linear | 2.5V | |
Analog Devices / Maxim Integrated
|
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Backlight | 20mA | - | - | Yes | Surface Mount | 10 | -40°C ~ 125°C (TA) | 16-TQFN (3x3) | - | Linear | 2.25V | |
Power Integrations
|
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High-voltage flyback post regulator, Isolated off-line LED driver, Smart LED lighting | - | - | 145kHz | Yes | Surface Mount | 1 | -40°C ~ 150°C (TJ) | InSOP-24D | Flyback | AC DC Offline Switcher | 27V | |
Texas Instruments
|
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- | 30mA | - | 10MHz | - | Surface Mount | 16 | -20°C ~ 85°C (TA) | 48-SSOP | Shift Register | Linear | 4.5V | |
Analog Devices / Maxim Integrated
|
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Backlight | - | PWM | 125kHz ~ 1.5MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 28-TQFN (5x5) | SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.75V | |
Texas Instruments
|
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General Purpose | 20mA | PWM | - | Yes | Surface Mount | 48 | -40°C ~ 85°C (TA) | 96-NFBGA (6x6) | - | Linear | 2.5V | |
Analog Devices / Maxim Integrated
|
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- | - | Triac | 25kHz ~ 300kHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-MSOP-EP | Flyback | AC DC Offline Switcher | - | |
Analog Devices / Maxim Integrated
|
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Automotive, Lighting | - | Analog, PWM | 600kHz ~ 2MHz | No | Surface Mount | 1 | -40°C ~ 150°C (TJ) | 28-QFN (4x5) | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4V | |
Microchip Technology
|
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Backlight | - | PWM | 20MHz | No | Surface Mount | 8 | -40°C ~ 105°C (TA) | 40-TQFN (6x6) | - | Linear | 10.8V | |
Analog Devices / Maxim Integrated
|
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Automotive, Lighting | - | Analog, PWM | 150kHz ~ 650kHz | No | Surface Mount | 1 | -40°C ~ 150°C (TJ) | 28-TSSOP-EP | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4V | |
Texas Instruments
|
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Signage | 25mA | - | - | Yes | Surface Mount | 48 | -40°C ~ 85°C (TA) | 56-QFN (8x8) | Shift Register | Linear | 3V | |
Analog Devices / Maxim Integrated
|
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Lighting | 750mA (Switch) | Analog, PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-MSOP | SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 3V | |
ROHM Semiconductor
|
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Automotive, Backlight | 130mA | PWM, SPI | - | Yes | Surface Mount | 16 | -40°C ~ 125°C | VQFN48FAV070 | Constant Current | Linear | 3V | |
Analog Devices / Maxim Integrated
|
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Automotive, Lighting | 2A | Analog, PWM | 200kHz ~ 2MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 28-QFN (4x5) | Step-Down (Buck) | DC DC Regulator | 3.6V | |
Analog Devices / Maxim Integrated
|
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Automotive, Lighting | 2.3A | Analog, PWM | 200kHz ~ 2MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 28-QFN (4x5) | Step-Up (Boost) | DC DC Controller | 2.8V | |
Texas Instruments
|
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Signage | 25mA | - | - | Yes | Surface Mount | 48 | -40°C ~ 85°C (TA) | 56-QFN (8x8) | Shift Register | Linear | 3V | |
On Semiconductor
|
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- | - | - | - | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOIC | Flyback | AC DC Offline Switcher | 15V | |
Analog Devices / Maxim Integrated
|
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- | - | Analog, PWM | 100kHz ~ 1MHz | No | Surface Mount | 1 | 0°C ~ 125°C (TJ) | 16-MSOP-EP | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V |
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