PMIC - LED Drivers

Category Introduction

Devices in the LED driver PMIC (Power Management Integrated Circuit) family are used to supply a current flow of controlled value to a load, typically a Light Emitting Diode, from a power source having a nominally fixed voltage. Key differentiators from the very similar products designed for voltage regulation include a characteristically lower feedback voltage (to improve system efficiency) and high prevalence of provisions for external control of the device's operating point, used to implement dimming functions in lighting applications.

Product List

526 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Type	Topology	Internal Switch(s)	Number of Outputs	Voltage - Supply (Min)	Voltage - Supply (Max)	Voltage - Output	Current - Output / Channel	Frequency	Dimming	Applications	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
CAT4002ASD-GT3 IC LED DRV LIN MULTI-STEP SC70-6 onsemi	377	$0.64		Tape & Reel (TR)	Active	Linear	-	Yes	2	2.4V	5.5V	-	20mA	-	Multi-Step	Backlight	-40°C ~ 85°C (TA)	Surface Mount	6-TSSOP, SC-88, SOT-363	SC-70-6
NCL30160DR2G IC LED DRIVER RGLTR PWM 1A 8SOIC onsemi	464	$1.12		Tape & Reel (TR)	Active	DC DC Regulator	Step-Down (Buck)	Yes	1	8V	40V	-	1A	1.4MHz	PWM	Automotive, Lighting	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
FL7733AMX IC LED DRIVER OFFL ANALOG 8SOIC onsemi	754	$1.14		Tape & Reel (TR)	Active	AC DC Offline Switcher	Flyback, Step-Down (Buck), Step-Up (Boost)	No	1	-	30V	1.5V ~ 5V	-	-	Analog	-	-40°C ~ 125°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LM3407MY/NOPB IC LED DRVR RGLTR PWM 8HVSSOP Texas Instruments	472	$1.40		Tape & Reel (TR)	Active	DC DC Regulator	Step-Down (Buck)	Yes	1	4.5V	30V	-	350mA	300kHz ~ 1MHz	PWM	Lighting	-40°C ~ 125°C (TJ)	Surface Mount	8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width)	8-HVSSOP
HEF4794BT,118 IC LED DRIVER LINEAR 40MA 16SO Nexperia USA Inc.	210	$1.70		Tape & Reel (TR)	Active	Linear	Shift Register	Yes	8	3V	15V	-	40mA	28MHz	-	-	-40°C ~ 125°C (TA)	Surface Mount	16-SOIC (0.154", 3.90mm Width)	16-SO
HEF4794BT,112 IC LED DRIVER LINEAR 40MA 16SO Nexperia USA Inc.	51	$0.00		Tube	Obsolete	Linear	Shift Register	Yes	8	3V	15V	-	40mA	28MHz	-	-	-40°C ~ 125°C (TA)	Surface Mount	16-SOIC (0.154", 3.90mm Width)	16-SO
LM3410XMF/NOPB IC LED DRV RGLTR PWM SOT23-5 Texas Instruments	85	$2.92		Tape & Reel (TR)	Active	DC DC Regulator	SEPIC, Step-Up (Boost)	Yes	1	2.7V	5.5V	3V ~ 24V	2.8A (Switch)	1.6MHz	PWM	Backlight	-40°C ~ 125°C (TJ)	Surface Mount	SC-74A, SOT-753	SOT-23-5
STCS1APHR IC LED DRV LIN PWM POWERSO-8 STMicroelectronics	41	$2.88		Tape & Reel (TR)	Active	Linear	-	Yes	1	4.5V	40V	-	1.5A	-	PWM	-	-40°C ~ 150°C (TJ)	Surface Mount	PowerSO-8	PowerSO-8
LED2472GQTR IC LED DRIVER LINEAR 72MA 40MLPQ STMicroelectronics	53	$2.97		Tape & Reel (TR)	Active	Linear	Shift Register	Yes	24	3V	5.5V	19V	72mA	30MHz	-	Signage	-40°C ~ 85°C (TA)	Surface Mount	40-VFQFN Exposed Pad	40-MLPQ-EP (5x5)
LED5000PHR IC LED DRIVER RGLTR PWM 3A 8HSOP STMicroelectronics	50	$2.97		Tape & Reel (TR)	Active	DC DC Regulator	Step-Down (Buck), Step-Up (Boost)	Yes	1	5.5V	48V	-	3A	850kHz	PWM	Lighting, Signage	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-HSOP
LT3761EMSE#TRPBF IC LED DRIVER CTRLR PWM 16MSOP Analog Devices Inc.	12	$8.58	True Color PWM™	Tape & Reel (TR)	Active	DC DC Controller	Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)	No	1	4.5V	60V	-	-	100kHz ~ 1MHz	Analog, PWM	-	-40°C ~ 125°C (TA)	Surface Mount	16-TFSOP (0.118", 3.00mm Width) Exposed Pad	16-MSOP-EP
LP5890RRFR IC LED DRVR LIN NO 20MA 76VQFN Texas Instruments	72	$7.79		Tape & Reel (TR)	Active	Linear	Constant Current	No	48	2.5V	5.5V	-	20mA	40MHz ~ 160MHz	No	Lighting, Signage	-40°C ~ 85°C (TA)	Surface Mount	76-VFQFN Exposed Pad	76-VQFN (9x9)
NCR402UH IC LED DRIVER LINEAR 20MA 6TSOP Nexperia USA Inc.	1,655	$0.46	Automotive, AEC-Q101	Tape & Reel (TR)	Active	Linear	-	Yes	1	-	40V	38V	20mA	-	-	Automotive	-55°C ~ 150°C (TA)	Surface Mount	SC-74, SOT-457	6-TSOP
CAT32TDI-GT3 IC LED DRVR RGLTR PWM TSOT23-6 onsemi	484	$1.33		Tape & Reel (TR)	Active	DC DC Regulator	Step-Up (Boost)	Yes	1	2V	7V	-	40mA	1.2MHz	PWM	Backlight	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-6 Thin, TSOT-23-6	TSOT-23-6
CAT3626HV4-GT2 IC LED DRV RGLTR I2C 32MA 16TQFN onsemi	516	$1.60		Tape & Reel (TR)	Active	DC DC Regulator	Switched Capacitor (Charge Pump)	Yes	6	3V	5.5V	7V	32mA	1MHz	I²C	Backlight	-40°C ~ 85°C (TA)	Surface Mount	16-WQFN Exposed Pad	16-TQFN (4x4)
NCL30000DR2G IC LED DRIVER OFFL TRIAC 8SOIC onsemi	423	$1.57		Tape & Reel (TR)	Active	AC DC Offline Switcher	Flyback, Step-Down (Buck)	No	1	8.8V	20V	-	-	-	Triac	Lighting	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NCV3065DR2G IC LED DRVR RGLTR PWM 1.5A 8SOIC onsemi	587	$1.65		Tape & Reel (TR)	Active	DC DC Regulator	Step-Down (Buck), Step-Up (Boost)	Yes	1	3V	40V	-	1.5A (Switch)	150kHz	Analog, PWM	Lighting	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NCP3065DR2G IC LED DRVR RGLTR PWM 1.5A 8SOIC onsemi	148	$1.74		Tape & Reel (TR)	Active	DC DC Regulator	Step-Down (Buck), Step-Up (Boost)	Yes	1	3V	40V	-	1.5A (Switch)	150kHz	Analog, PWM	Lighting	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
STP4CMPQTR IC LED DRVR RGLTR PWM 30MA 20QFN STMicroelectronics	402	$2.23		Tape & Reel (TR)	Active	DC DC Regulator	Switched Capacitor (Charge Pump)	Yes	4	2.7V	5.5V	3.8V	30mA	-	PWM	Backlight	-40°C ~ 85°C (TA)	Surface Mount	20-UFQFN	20-QFN (3.2x1.8)
LM3410XSD/NOPB IC LED DRVR RGLTR PWM 2.8A 6WSON Texas Instruments	321	$2.92		Tape & Reel (TR)	Active	DC DC Regulator	SEPIC, Step-Up (Boost)	Yes	1	2.7V	5.5V	3V ~ 24V	2.8A (Switch)	1.6MHz	PWM	Backlight	-40°C ~ 125°C (TJ)	Surface Mount	6-WDFN Exposed Pad	6-WSON (3x3)

About LED Drivers PMICs

What are LED Drivers PMICs?

LED Drivers PMICs

LED Drivers PMICs (Power Management Integrated Circuits) are specialized components designed to efficiently manage and supply power to light-emitting diodes (LEDs). These drivers regulate the current flowing through the LEDs, ensuring consistent brightness and prolonging the lifespan of the LEDs. By converting input voltage to a suitable level and maintaining a constant current, LED Drivers PMICs help in optimizing energy consumption and enhancing the performance of LED lighting systems. They incorporate various control mechanisms, such as pulse-width modulation (PWM) and linear regulation, to achieve precise control over LED illumination.

Types of LED Drivers PMICs

1. Linear LED Drivers

Linear LED Drivers are designed for applications where the input voltage is close to the LED's forward voltage. They operate by dropping excess voltage across a linear regulator, providing a simple and cost-effective solution for low-power applications. These drivers are known for their low electromagnetic interference (EMI) and minimal component count, making them ideal for compact designs.

2. Switching LED Drivers

Switching LED Drivers utilize a switching regulator to convert input voltage to the desired output level. They are highly efficient and suitable for applications requiring higher power and voltage conversion. These drivers can handle a wide range of input voltages and are ideal for battery-powered devices and automotive lighting systems. Their ability to maintain efficiency across varying loads makes them a popular choice for dynamic lighting applications.

3. Constant Current LED Drivers

Constant Current LED Drivers are designed to supply a steady current to LEDs, regardless of fluctuations in input voltage or LED forward voltage. This type of driver is essential for applications where consistent brightness and color accuracy are critical, such as in display backlighting and architectural lighting. They ensure uniform light output and prevent LED damage due to overcurrent.

How to choose LED Drivers PMICs?

When selecting LED Drivers PMICs, several key parameters should be considered:

Output Current and Voltage: Ensure the driver can deliver the required current and voltage for your LED configuration.
Efficiency: Look for drivers with high efficiency to minimize power loss and heat generation.
Thermal Management: Consider drivers with built-in thermal protection to prevent overheating.
Control Features: Evaluate the need for dimming capabilities, PWM control, or other advanced features.
Form Factor: Choose a driver that fits the physical constraints of your design.

To assess product quality and reliability, review supplier datasheets, customer reviews, and industry certifications. Environmental factors such as temperature range and humidity should also be considered, along with installation requirements like mounting options and connection interfaces.

Applications of LED Drivers PMICs

1. Automotive Industry

In the automotive sector, LED Drivers PMICs are used in headlights, taillights, and interior lighting systems. They provide precise control over LED brightness and color, enhancing visibility and safety. Their robust design ensures reliable performance under varying temperature and voltage conditions.

2. Consumer Electronics

LED Drivers PMICs are integral to the backlighting of displays in smartphones, tablets, and televisions. They ensure consistent brightness and color accuracy, contributing to superior image quality. Their compact size and efficiency make them ideal for portable devices.

3. Architectural Lighting

In architectural lighting, these drivers enable dynamic lighting effects and energy-efficient illumination. They support features like dimming and color tuning, allowing designers to create visually appealing and sustainable lighting solutions for buildings and public spaces.

4. Industrial Lighting

LED Drivers PMICs are used in industrial environments for high-bay and low-bay lighting applications. They provide reliable and efficient lighting solutions that withstand harsh conditions, reducing maintenance costs and improving workplace safety.

5. Medical Devices

In medical devices, LED Drivers PMICs power surgical lights and diagnostic equipment, where precise illumination is crucial. They offer stable and flicker-free lighting, ensuring accurate diagnostics and enhancing patient care.