28V, 6A, 7mΩ RDS(ON) Hot-Swap Protection Device with Current Monitoring, AEC-Q100 Qualified
Active Part Numbers:
Meaning of P & Z
DISPLAY (NAVIGATION, HEADS-UP, CLUSTER)
Automotive displays — which include the center display, heads-up display (HUD), and gauge instrument cluster — show key information and interactive content to the driver. The center information display is connected to the head unit, and provides navigation and other in-cabin infotainment controls. The automotive HUD and gauge instrument cluster provide easy-to-access information for the driver. Th...
HEAD UNITS (MID-RANGE)
Automotive head unit designs have evolved from the traditional hardware interfaces into sophisticated infotainment systems that offer various in-cabin functionalities. These features include navigation, wireless connections, passenger entertainment, gesture recognition, and voice control. As consumer expectations for infotainment features continue to increase, manufacturers face design challenges ...
Automotive in-vehicle infotainment systems are becoming increasingly software-driven to enhance safety and security, as well as the overall driving experience. Modern cars integrate driving and environmental information, passenger entertainment, wireless connections, and navigation into a centralized infotainment system architecture. However, with the rise of sophisticated in-vehicle infotainment ...
REARVIEW CAMERAS (COAXIAL)
Rearview cameras are perhaps the most well-known camera subsystem used in advanced driver assistance systems (ADAS) applications. As this feature is being offered and expected in more and more vehicles, these camera systems must offer high integration and fast data processing to enable accurate, real-time monitoring of possible hazards behind the vehicle and channeling information directly to an L...
Wireless in-car charging is becoming an increasingly popular feature in new vehicle models. The ability to charge a smartphone or other portable device by simply placing it in a designated area, such as a center console tray — without having to physically connect the device or plug it in — offers a world of convenience for consumers. Charging has become an expected standard in most car models, and...
360° SURROUND VIEW CAMERAS
360° surround view cameras help eliminate blind spots for drivers by providing a birds eye view of the car and typically channeling it directly to an LCD display located in the cabins head unit. This image is a composite created from multiple cameras located around the vehicle, usually at least four. Sometimes thought of as the next step in evolution from the backup camera, 360° surround view came...
77GHz radar is quickly growing in popularity for automotive advanced driver assistance system (ADAS) applications. Perception-sensing systems are a growing market within ADAS technologies, and will continue to expand as new cars integrate radar with cameras and even LIDAR systems. Automotive imaging radar is used as an additional way to sense objects or potential hazards around the vehicle. 77GHz ...
DOMAIN CONTROL MODULE - AUTOMOTIVE POWER STAGE FOR ADAS APPLICATIONS
Advanced driver assistance systems (ADAS) have experienced an astonishing evolution over the last few decades, and todays cars incorporate a large number of sensors and cameras that monitor every part of the vehicle, as well as its surroundings. As a consequence, the power requirements of these systems has increased, bringing new challenges to the power supply design. This reference design serves ...
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 ...
AUTOMOTIVE-GRADE COMPACT WIRELESS CHARGER DESIGN
Wireless power for automotive applications provides a comfortable, simple way of charging our devices. MPS has developed a wireless charging reference design based on standards from the Wireless Power Consortium. This reference design has a wide input voltage (VIN) range, and can deliver up to 15W of power while saving board space by integrating all of the required power converters into two ICs, b...
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 ...
IMPROVING BATTERY SAFETY WITH THE MP2797
Modern life has become more convenient due to battery-powered applications for electric tools, vacuum cleaners, electric bikes, and outdoor power supplies for camping. As wireless charging continues to be more widely used in applications, lithium battery safety is a growing concern, so designers are looking to develop battery monitoring and protection solutions. A battery pack is made up of multi...
DESIGNING A POWER TREE FOR AN AUTOMOTIVE SOC
Advanced driver assistance systems (ADAS) and infotainment system-on-chips (SoCs) are offering increasingly higher computing power, which in turn results in higher power demands. An SoC can require more than 10 different power rails, with currents ranging from hundreds of amperes (A) to a few mA. Crafting an optimal power tree for these applications is not a trivial task. This article will discuss...
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...
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 II)
This article is the second part of a two-part series covering power supply design for car infotainment systems. Part I discussed the performance requirements for primary and secondary power supplies in car infotainment systems. Part II addresses challenges regarding camera power supplies and USB charging in car infotainment systems. Figure 1 shows the car machine’s power architecture, including t...
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...
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 ...
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...
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