All LED Lighting
All LED Lighting Content
Our outstanding catalog of automotive-grade parts includes LED drivers, power modules, step-down and step-up converters, and USB charging ports. These components provide high efficiency and scalability in compact package sizes, in addition to meeting strict temperature and EMI requirements.
MPS’s flexible, reliable product catalog provides everything you need to power the next generation of LED lighting system designs.
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DESIGNING THE FEEDBACK VOLTAGE RESISTOR DIVIDER IN A DC/DC CONVERTER
The specifications of the feedback (FB) voltage resistor divider in DC-DC converters often poses various design challenges, such as determining the required resistance or adjusting parameters (e.g. output voltage, upper divider resistance or lower divider resistance). Figure 1 shows the various magnitude combinations for the FB upper and lower divider resistances. This article examines the ...
DESIGNING COOLER RUNNING, MULTI-CHANNEL DYNAMIC AUTOMOTIVE LIGHTS
Across the automotive landscape, the push for electrification has yielded the incredible proliferation of exotic vehicles. Yesterday’s bulky, single-function lights are being replaced with newer, slender designs that wrap around a car’s front, back, or sides. The drive to go beyond traditional illumination or signaling means that tomorrow’s automotive lights will be challenged to display sophistic...
MPQ7221 TAIL LAMP REFERENCE DESIGN
The tail lamp dynamic requirement in automotive lighting applications is becoming increasingly demanding. This reference design showcases a holistic tail lamp proposal, including a stop lamp (SL), turn lamp (TL), and side mark lamp (SML), which uses three MPQ7221 devices to drive the LED strings. The MPQ7221 is a 16-channel current sink LED driver that operates across a wide 4.5V to 16V input vol...
AUTOMOTIVE-GRADE, 16-CHANNEL, CURRENT-SINK MATRIX LED DRIVER: MPQ7225
The MPQ7225 family enables vivid and bright animations within automotive headlight or taillight designs. With lighting applications utilizing hundreds of LEDs for achieving brilliant resolution, the MPQ7225 allows up to 16 devices to be cascaded, for a total of 256 channels. Compact lighting elements for aesthetics yield smaller PCBs where heat management becomes critical. With functional safety b...
OPTIMIZED BACKLIGHT DISPLAY DESIGN WITH THE MPQ3367
A smart cockpit is essential for an intelligent, convenient, and safe automotive environment for drivers. Emerging energy companies and established car brands alike are increasing their investments to innovate cutting-edge smart cockpits. To meet this demand, MPS continues to introduce improved power management solutions in line with the future of automotive electronics. Many automotive features ...
FROM COLD CRANK TO LOAD DUMP: A PRIMER ON AUTOMOTIVE TRANSIENTS
Advances in automotive technology have dramatically increased the number of sophisticated electronic circuits required to improve driving experience and safety in a typical automotive system. New vehicles provide infotainment systems with high-resolution displays, an enhanced user interface, and numerous connectivity options. Improved safety features include LiDAR for collision avoidance, as well ...
CONTROLLING EXCESSIVE CONDUCTED EMI UNDER A LONG-LINE LOAD (PART III)
This article is the final part of a three-part series exploring methods for analyzing and improving excessive EMI under long-line loads. Part I discussed the common-mode (CM) EMI model and considered the influence of electric field coupling and magnetic field coupling. Part II validated the transmission line theory through a series of computations. Part III will focus on three methods that were im...
CONTROLLING CONDUCTED EMI WHEN USING LONG OUTPUT LINES (PART II)
This article is part two in a three-part series exploring methods to analyze and improve excessive EMI under long-line loads. Part I reviewed the common-mode (CM) EMI model and considered the influence of electric field coupling and magnetic field coupling. Part II will discuss the transmission line effect on the output’s long-line impedance to ground, using a series of equations. Part III will re...
CONTROLLING CONDUCTED EMI WHEN USING LONG OUTPUT LINES (PART I)
In many automotive electronics applications, the load must be connected to the motherboard via a long output line, resulting in excessive conducted EMI. Automotive applications that require long-line loads include Class-D power amplifiers, LEDs, and USB chargers (see Figure 1). This article is the first part of a three-part series exploring methods to analyze and improve excessive conducted E...
MPS SOLUTIONS FOR INTELLIGENT DRIVING
The four modern trends of the automotive industry are electrification, intelligence, networking, and sharing. Among these development trends, intelligence requires advanced on-board sensors, controllers, and actuators. Highly intelligent systems tend to have more sensors. As such, the number and variety of cameras/sensors installed on cars increase daily. These include the cameras installed on th...
USING THERMAL DERATING TO EXTEND AUTOMOTIVE LED LIFE EXPECTANCY
Automotive manufacturers are adopting more and more LED lightning technology due to its low power consumption and extended lifecycle. However, when the latest technology trends are paired with challenging automotive requirements, there is an increased demand to design solutions that can avoid thermal breakdown while lengthening the life expectancy of the LEDs. This article will present a simple, l...
MPQ7200: 3A BUCK, 1.2A BUCK-BOOST LED DRIVER FOR AUTOMOTIVE LIGHTING
The MPQ7200 is an automotive-grade LED driver features 3A buck mode and 1.2A buck-boost mode, and is capable of withstanding up to 42V load dump and junction temperatures up to 150°C. Ideal for use in high and low beams, daytime running lights, fog lights, and rear lights, the MPQ7200 comes in a tiny 3mmx4mm QFN package. Watch to learn how excellent EMI and thermal performance, plus integrated...
USING EXTERNAL KNOBS TO IMPROVE TRANSIENT PERFORMANCE OF BUCK REGULATORS WITH AN INTEGRATED COMPENSATION NETWORK
The high power density requirement and board-level space constraints in modern applications — such as lighting, ADAS, and USB — call for higher integration in buck regulators. There is a trend to integrate MOSFETs and compensation networks inside the chip. This integration of the compensation network’s passive components saves cost, board space, and design iterations. However, it...
AUTOMOTIVE LIGHTING DESIGN AND EMI BEST PRACTICES WEBINAR
Learn how designers can develop high power, exotic form factor and dynamic designs, but must still meet stringent EMC emissions criteria to avoid exceeding OEM limits and interfering with sensitive antennae or ADAS sensors. Review Presentation
EASY, COST-EFFECTIVE PRE-BOOSTER FOR AUTOMOTIVE COLD CRANK CONDITIONS
Start-stop functionality is expected to be featured in more and more new car models from any manufacturer. However, this presents a challenge in automotive electronics design as starting the motor in cold weather can make the battery’s voltage drop as low as 3V. This is called a “cold crank.” The power stage for most 12V automotive systems consists of a single buck converter tha...
AUTOMOTIVE LED DRIVER DESIGN: GOOD PRACTICES TO ENSURE EMC COMPLIANCE
More and more automotive manufacturers are adopting LED lighting technology and moving away from halogen light bulbs. LED lighting systems have diverse power supply requirements, depending on the number of devices present on a string, the current needed, dimming, and other factors. A traditional linear regulator cannot always meet these needs. As a result, electronics engineers are increasingly re...
MPQ3910A REFERENCE DESIGN - HIGH VOLTAGE BOOST FOR APD IN LIDAR APPLICATIONS
Autonomous vehicles have been a hot topic for some time, but now they are staring to become a reality. To enable high degrees of autonomy, vehicles are using combined methods (cameras, radar, and LiDAR) to detect surroundings. LiDAR is a ranged device. It functions similarly to radar, but uses light waves instead of RF waves. A laser diode emits light pulses, and an advanced photodiode (APD) sens...
POWER MODULES SOLVE POWER DESIGN CHALLENGES
Learn how easy-to-use, fully integrated power solutions can solve problems and bring products to market faster.
MPQ3326-AEC1 16-CHANNEL AUTOMOTIVE LED DRIVER APPLICATIONS
The trend towards LED lighting in vehicles is well accepted for its higher energy efficiency and reliability, but its versatility also offers an excellent way to enhance the driving experience. From advanced steerable headlight beams to sophisticated in-cabin mood lighting, the ability to combine individual LED control, color, and brightness opens up a plethora of opportunities to add style and ap...
TACKLING AUTOMOTIVE LIGHTING’S COMMON CHALLENGES WITH NEW LED DRIVER MODULES
LED lighting is one of the fastest growing segments in automotive electronics, but it is not without its own unique challenges. This article describes several major constraints facing today’s lighting designers and explores how these can be addressed by MPS’s new MPM6010-AEC1 automotive LED module. One of the biggest trends in automotive electronics has been the widespread proliferati...
MPM MODULE HIGHLIGHTS
This video features MPS’ low voltage (6V) modules, ranging from 600mA to 3A. It highlights the benefits of using modules and MPS’ advantages. MPM Power Modules >
TRACTION INVERTER SYSTEM
An engine roaring is becoming a sound of the past, as the adoption of electric vehicles (EVs) continues to grow at an exponential rate. Soon the only sound will be the whirring an EV motor as the traction inverter delivers power from the battery. Traction inverters are instrumental in converting energy from the high-voltage battery (400V/800V) into three-phase AC energy to drive the vehicle’s moto...
ONBOARD CHARGING MODULE (OBCM)
Electric vehicles (EVs) are becoming more present every day, with the adoption of EVs growing at an exponential rate. Onboard charging (OBC) is a very important part of EVs, since it determines the maximum possible charge rate while an AC charger is connected to the vehicle. The maximum charge capability for a fully electric vehicle is typically between 6.6kW and 22kW, and for a plug-in hybrid veh...
DEVELOPING A SMART COCKPIT SOLUTION WITH MPS AND SEMIDRIVE
There are a wide array of features in a smart car’s cockpit that can enhance driving experience. For example, full LCD central control screens and high-definition displays have made user experience smoother and simpler. With the addition of voice recognition, drivers can make calls and use intelligent navigation. High-quality sound and ambient lighting provide an immersive experience while listeni...
12V TO 48V BIDIRECTIONAL CONVERTER SYSTEM
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