Head Units (High-End)
Head Units (High-End) Content
Our extensive catalog of power management solutions includes step-down and step-up converters, power modules, low-dropout (LDO) regulators, buck converters, load switches, analog switches, and PMICs. These components are designed to ensure the best performance in the smallest package size, while meeting temperature and EMI safety requirements.
MPS’s premium, highly efficient product catalog provides everything you need to power the next generation of high-end head unit 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 ...
HOW TO DESIGN A THERMALLY BALANCED CURRENT-SHARING SYSTEM FOR MULTI-PHASE POWER DESIGNS
The car of tomorrow is envisioned to be an audiovisual wonderland on wheels, including wraparound screens and dozens of speakers. Driving on the road in the future will immerse passengers in an incredible sensory experience with content streamed via ultra-fast 5G. To achieve this content-rich, connectivity-heavy paradigm of future mobility, emerging digital cockpit systems continue to demand expon...
A THERMALLY OPTIMIZED, TWO-LAYER AUTOMOTIVE PCB DESIGN TO MEET CISPR25 CLASS 5
Automotive electronics suppliers are faced with escalating cost pressures in the race to produce autonomous, connected, and electrified solutions. One effective way to reduce design costs is by using 2-layer automotive PCBs. However, 2-layer PCBs require special care, as they can have poor thermal characteristics, which leads to compromised performance. In this article, an automotive expert will ...
AUTOMOTIVE-GRADE IDEAL DIODE CONTROLLER WITH REVERSE POLARITY PROTECTION: MPQ5850
The MPQ5850-AEC1 is a 42V off-battery, smart ideal diode controller that can drive an external N-channel MOSFET to replace a Schottky diode for -36V reverse polarity protection. It minimizes power loss and enables a low minimum input voltage, making it ideal for applications such as digital clusters, infotainment, and ADAS. Compared to traditional solutions, the MPQ5850 features a compact solution...
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...
VERSAL AI EDGE (AUTOMOTIVE) FULL POWER MANAGEMENT REFERENCE DESIGN
VERSAL AI EDGE (AUTOMOTIVE) –M, H DEVICES REFERENCE DESIGN
VERSAL AI EDGE (AUTOMOTIVE) –L DEVICE REFERENCE DESIGN
AUTOMOTIVE-GRADE, LOW-VOLTAGE, STEP-DOWN CONVERTERS: MPQ2179 FAMILY
The MPQ2179 series of low-voltage, step-down converters from 1A to 3A is optimized for an automotive platform design approach to 5V applications, including infotainment, ADAS, cameras, and digital cockpits. To withstand tough automotive conditions, the MPQ2179 family features well-managed thermals to keep boards running. With a compact package and high efficiency, these products fit in space-limit...
SPARTAN 7 AUTOMOTIVE SOLUTION
This reference design is intended for powering AMD Xilinx Spartan7 family of FPGAs (S6 - S100). This PMIC based solution combines a small footprint with good efficiency and tight regulation for a low cost solution. The internal sequencer ensures power up and power down sequencing requirements MPQ7920 PMIC with 4x bucks, 5x LDOs Vin 2.7V to 5.5V I2C support QFN-26 (3.5mmx4.5mm) Cost effective and S...
RECOGNITION AND ELIMINATION OF SUBHARMONIC OSCILLATIONS
DC/DC instability occurs due to a variety of factors, such as improper compensation parameters or insufficient layout. This article will discuss subharmonic oscillations, a form of instability that can be generated when current mode switching regulators have a continuous inductor current and a duty cycle exceeding 50%. These oscillations then create unstable power supplies. To learn about subharm...
SPACE-SAVING, HIGH-PERFORMANCE POWER MODULES
MPS power modules offer four key design advantages to save space and improve performance. These advantages, which include our monolithic power stage and flip-chip packaging, can reduce board space by up to 70% compared to traditional discrete solutions without compromising performance or efficiency. Watch this video to find out how we do it.
E-TRACKER REFERENCE DESIGN
Tracking the location of different types of vehicles is an increasingly popular application for multiple purposes, such as control of transport trucks or anti-theft security. However, this presents two challenges in electronic design. First, the system must be able to track a vehicle’s location when the car battery is turned off. Second, the GSM modules that establish communication with the ...
Start-stop functionality is an expected feature 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 that t...
ZYNQ ULTRASCALE+ MPSOC ZU7 ADAS AUTOMOTIVE POWER REFERENCE DESIGN
POWER MODULES SOLVE POWER DESIGN CHALLENGES
Learn how easy-to-use, fully integrated power solutions can solve problems and bring products to market faster.
INTRODUCING THE MPM3515-AEC1 AUTOMOTIVE POWER MODULE
The MPM3515-AEC1 is a 36V, 1.5A, high-voltage, automotive-grade power module from Monolithic Power Systems (MPS). This part inherits the key advantages of the MPM module family: very compact size, ease of use, and high performance. It offers an output current of up to 1.5A with performance features tailored to automotive use, including AECQ grade 1 qualification, a high operating frequency of up t...
ACCURATE AND PRECISE AUTOMOTIVE EXTREME TEMPERATURE TESTING
by Ruediger Richter, Director of Test Engineering at Monolithic Power Systems. It is extremely important for IC manufacturers to be able to design and test automotive parts at precisely set device temperatures. As automotive manufacturers produce vehicles with an increasing number of features, the expectation of reliability and performance increases as well. Reliability trickles down to compon...
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...
12V TO 48V BIDIRECTIONAL CONVERTER SYSTEM
DC FAST CHARGING STATION
DC fast charging stations are becoming more common with the increased adoption of electric vehicles. Charging stations are a vital part of the infrastructure along major highways and populated suburbs, ensuring that electric vehicles have a place to charge during long-distance travel and day-to-day driving. These systems are often comprised of multiple 25kW to 75kW modules to create fast charging ...
DEVELOPING A MILLIMETER-WAVE RADAR POWER SUPPLY
Autonomous driving is one of the most popular trends in the automotive industry. Currently, commercial-level automatic driving remains at the L2/L3 level. Automotive radar technology is gaining momentum as a solution to achieve higher levels of automated driving. With the accurate perception of millimeter-wave radar, cars can autonomously make intelligent judgements and decisions. At 77GHz, mil...
POWER SUPPLY DESIGN FOR CAR INFOTAINMENT SYSTEMS (PART I)
A car’s infotainment system is an on-board, integrated information processing system based on the car’s bus body and internet. Vehicles have become more integrated and modular as consumers continue to raise expectations for driving, car information resources, entertainment, and safety. This trend has introduced new challenges to the research and development of car infotainment systems, particularl...
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