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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Microchip Technology
|
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Backlight | - | PWM | 100kHz, 350kHz | No | Surface Mount | 1 | -40°C ~ 85°C (TA) | 16-SOIC | SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 9V | |
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 | |
ROHM Semiconductor
|
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Backlight | - | Analog | 150kHz | Yes | Surface Mount | 6 | -40°C ~ 85°C (TA) | 24-SOP | Step-Down (Buck) | DC DC Controller | 9V | |
ROHM Semiconductor
|
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Backlight | 250mA | PWM | 150kHz | Yes | Surface Mount | 6 | -40°C ~ 85°C (TA) | 28-HTSSOP-B | Step-Up (Boost) | DC DC Regulator | 9V | |
ROHM Semiconductor
|
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Automotive | 200mA | - | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-HTSOP-J | - | Linear | 5.5V | |
NXP Semiconductors
|
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Backlight | 25mA | I²C | - | Yes | Surface Mount | 8 | -40°C ~ 85°C (TA) | 16-HVQFN (4x4) | - | Linear | 2.3V | |
ROHM Semiconductor
|
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Automotive | 500mA | PWM | 100Hz ~ 5kHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-HTSOP-J | - | Linear | 4.5V | |
Monolithic Power Systems
|
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Backlight | 1.33A (Switch) | PWM | 2.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 8-QFN (2x3) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
ROHM Semiconductor
|
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Backlight | - | Analog, PWM | 150kHz | No | Surface Mount | 2 | -40°C ~ 85°C (TA) | 24-SSOP-B | Step-Up (Boost) | DC DC Controller | 11V | |
ROHM Semiconductor
|
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Automotive | 500mA | PWM | 100Hz ~ 5kHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | HRP7 | - | Linear | 4.5V | |
ROHM Semiconductor
|
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Automotive | - | PWM | 5MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 16-SSOP-B | - | DC DC Controller | 4.5V | |
Allegro Microsystems
|
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Automotive | 120mA | Analog, PWM | 200kHz ~ 2.15MHz | No | Surface Mount, Wettable Flank | 4 | -40°C ~ 125°C (TA) | 24-QFN (4x4) | SEPIC, Step-Up (Boost) | DC DC Controller | 4.5V | |
Allegro Microsystems
|
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Automotive, Backlight | 210mA | Analog, PWM | 200kHz ~ 2.15MHz | No | Surface Mount, Wettable Flank | 4 | -40°C ~ 125°C (TA) | 24-QFN (4x4) | SEPIC, Step-Up (Boost) | DC DC Controller | 4.5V | |
Allegro Microsystems
|
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Automotive, Backlight | 140mA | Analog, PWM | 200kHz ~ 2.15MHz | No | Surface Mount, Wettable Flank | 6 | -40°C ~ 125°C (TA) | 24-QFN (4x4) | SEPIC, Step-Up (Boost) | DC DC Controller | 4.5V | |
Texas Instruments
|
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Automotive, Lighting | 1A | PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 8-SO PowerPad | Step-Down (Buck) | DC DC Regulator | 6V | |
Texas Instruments
|
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Automotive, Lighting | 2A | Analog, PWM | - | Yes | Surface Mount | 1 | -40°C ~ 150°C (TJ) | 10-HVSSOP | Step-Down (Buck) | DC DC Regulator | 5.5V | |
ROHM Semiconductor
|
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Backlight | 250mA | PWM | 150kHz | Yes | Surface Mount | 6 | -40°C ~ 85°C (TA) | 28-HSOP-M | Step-Up (Boost) | DC DC Regulator | 9V | |
Texas Instruments
|
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Backlight | 34mA | PWM | 1.2MHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TA) | 10-VSON (3x3) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
|
Analog Devices / Maxim Integrated
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
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Backlight | 50mA | PWM | 600kHz | Yes | Surface Mount | 3 | -40°C ~ 85°C (TA) | 16-TQFN (3x3) | Step-Up (Boost) | DC DC Regulator | 4V | |
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 | |
Monolithic Power Systems
|
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Automotive | 1.5A | PWM | 400kHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 13-QFN (2.5x3) | Step-Down (Buck) | DC DC Regulator | 4V | |
Analog Devices / Maxim Integrated
|
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Backlight | 260mA (Switch) | PWM | 2.3MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 6-DFN (2x2) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
ROHM Semiconductor
|
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Automotive | 120mA | PWM | 200kHz ~ 2.2MHz | Yes | Surface Mount, Wettable Flank | 4 | -40°C ~ 125°C | VQFN28FV5050 | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 4.5V | |
Infineon Technologies
|
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Automotive | - | PWM | 100kHz ~ 500kHz | No | Surface Mount | 1 | -40°C ~ 150°C (TJ) | PG-SSOP-14-3 | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.75V | |
ROHM Semiconductor
|
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Automotive | 120mA | PWM | 200kHz ~ 2.2MHz | No | Surface Mount | 4 | -40°C ~ 125°C (TA) | VQFN28SV5050 | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V | |
Texas Instruments
|
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Automotive, Lighting | - | Analog, PWM | 2MHz | No | Surface Mount | 2 | -40°C ~ 125°C (TA) | 24-HTSSOP | Step-Down (Buck) | DC DC Controller | 6.5V | |
Analog Devices / Maxim Integrated
|
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Automotive, Backlight, Lighting | 150mA | PWM | 200kHz ~ 2MHz | No | Surface Mount | 4 | -40°C ~ 125°C (TA) | 20-TSSOP-EP | SEPIC, Step-Up (Boost) | DC DC Controller | 4.75V | |
Texas Instruments
|
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Automotive, Lighting | - | Analog, PWM | 80kHz ~ 700kHz | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 16-HTSSOP | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V | |
|
Analog Devices / Maxim Integrated
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
|
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Automotive, Lighting | - | PWM | - | No | Surface Mount | 6 | -40°C ~ 125°C (TA) | 24-HTSSOP | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V | |
Analog Devices / Maxim Integrated
|
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Backlight | - | - | - | No | Surface Mount | 1 | -40°C ~ 85°C (TA) | 10-uMAX/uSOP | Step-Up (Boost) | DC DC Controller | 2.7V | |
Texas Instruments
|
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Backlight, Camera Flash | 900mA (Switch) | PWM | 2MHz | Yes | Surface Mount | 13 | -30°C ~ 85°C (TA) | 36-DSBGA | Step-Up (Boost) | DC DC Regulator | 3V | |
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 | |
Analog Devices / Maxim Integrated
|
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Automotive | 350mA | PWM | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-TQFN (5x5) | - | Linear | 6.5V | |
Texas Instruments
|
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Automotive | - | PWM | - | Yes | Surface Mount | 12 | -40°C ~ 125°C (TA) | 48-HTQFP (7x7) | - | DC DC Regulator | 4.5V | |
Renesas
|
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Backlight | 160mA | Analog, PWM | 200kHz ~ 1.2MHz | No | Surface Mount | 4 | -40°C ~ 105°C (TA) | 28-SOIC | Step-Up (Boost) | DC DC Controller | 9V | |
Texas Instruments
|
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Backlight | 80mA | - | 30MHz | Yes | Surface Mount | 16 | -40°C ~ 85°C (TA) | 32-HTSSOP | Shift Register | Linear | 3V | |
Infineon Technologies
|
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- | - | PWM | 500kHz | No | Surface Mount | 1 | -25°C ~ 150°C (TJ) | 8-SOIC | Step-Down (Buck) | DC DC Controller | 9V | |
ROHM Semiconductor
|
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Backlight | 30mA | PWM | 1.25MHz | Yes | Surface Mount | 8 | -40°C ~ 85°C (TA) | VQFN020V4040 | Step-Up (Boost) | DC DC Regulator | 4.2V | |
Analog Devices / Maxim Integrated
|
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Backlight, Camera Flash | 1.3A (Switch) | PWM | 2.2MHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TJ) | 16-TSSOP-EP | Step-Up (Boost) | DC DC Regulator | 2.5V | |
Texas Instruments
|
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Signage | 23.9mA, 31.9mA | - | - | Yes | Surface Mount | 48 | -40°C ~ 85°C (TA) | 56-QFN (8x8) | Shift Register | Linear | 3V | |
ROHM Semiconductor
|
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Backlight | 40mA | Analog, PWM | 1MHz | No | Surface Mount | 6 | -30°C ~ 85°C (TA) | VQFN020V4040 | Step-Up (Boost) | DC DC Controller | 2.7V | |
Microchip Technology
|
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Lighting | - | - | - | No | Surface Mount | 6 | -55°C ~ 125°C (TJ) | 33-QFN (6x6) | - | AC DC Offline Switcher | 90V | |
Analog Devices / Maxim Integrated
|
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- | - | Analog, PWM | 20kHz ~ 1MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-TSSOP-EP | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 3V | |
ROHM Semiconductor
|
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Backlight | 25mA | Analog, PWM | 1MHz | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | VQFN020V4040 | Step-Up (Boost) | DC DC Regulator | 2.7V | |
Toshiba
|
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- | 50mA | - | - | Yes | Through Hole | 8 | -40°C ~ 85°C (TA) | 24-SDIP | Shift Register | Linear | 4.5V | |
Texas Instruments
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- | - | - | - | - | - | - | - | - | - | - | - | |
|
Analog Devices / Maxim Integrated
|
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Automotive, Lighting | 1.5A | Analog, PWM | 2kHz | Yes | Surface Mount, Wettable Flank | 12 | -40°C ~ 125°C | 32-SWTQFN (5x5) | - | DC DC Controller | 4.5V | |
Analog Devices / Maxim Integrated
|
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Automotive, Industrial Lighting | - | Analog, PWM | 90kHz ~ 1.24MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 28-TSSOP-EP | SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 2.5V |
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