HVAC
HVAC Content
Description
Our portfolio of solutions includes supervisory circuits, converters, MOSFET drivers, LCD power supplies, LED and WLED backlight drivers, controllers, and rectifiers. These flexible, reliable products offer exceptional power density in small package sizes. Enabling innovative features and lower system power help reduce time-to-market on the next generation of HVAC units.
MPS’s cost-effective, time-tested power management devices provide everything you need to design HVAC units that are safe, efficient, and keep users comfortable.
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Components List
Resources
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UNDERSTANDING ANGLE POSITION SENSOR RESOLUTION AND BANDWIDTH IN SERVO CONTROL LOOPSThis presentation details the advantages of magnetic angle sensing compared to optical sensing, the differences between Hall-effect and TMR-based solutions, and how to assess resolution accuracy and bandwidth. Learn the impact of error sources, and the importance of calculating real resolution in an application. Next-generation TMR sensor solutions such as the MA600 offer new levels of sensitivity...
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MA102/MA302: 12-BIT, COMPACT ANGLE SENSORS FOR BLDC MOTOR COMMUTATIONThe MagAlpha MA102 and MA302 series replaces discrete Hall switches in any block commutated brushless DC (BLDC) motor, including power tools, fans, white goods, automotive applications, and more. These sensors are available in a small QFN (3mmx3mm) package, providing flexibility for highly compact designs. Changing to a single MA102 or MA302 reduces board space by up to 70% with no need for a sepa...
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HIGH-PERFORMANCE ANGLE, POSITION, AND CURRENT SENSINGOverview of MPS position sensors and current sensors.
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USING MAGALPHA ROTARY MAGNETIC SENSORS IN SIDE SHAFT MODEThe previous article discussed types of magnet and their uses with MPS MagAlpha sensors in “end of shaft” mode. This article will explore the “side shaft“ mode topology. MPS MagAlpha sensors utilize an array of Hall elements in the center of the IC that sense the horizontal vector of the field from the rotating magnet. This field typically comes from a simple two-pole, diam...
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CHOOSING THE RIGHT MAGNET FOR MAGALPHA SENSORSThe MPS MagAlpha family offers rotary Hall effect magnetic sensors that sense the position of a magnet as it rotates above or at the side of the sensor. Exact magnet sizes, shapes, and materials should be selected depending on application requirements and target costs. This article discusses tradeoffs, and how to choose the best magnet for an application. MPS MagAlpha sensors utilize an array o...
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ZYNQ ULTRASCALE+ U4EG/U5EG/U7EG ADAS CENTRAL COMPUTE ENGINE POWER REFERENCE DESIGN -
ZYNQ ULTRASCALE+ MPSOC U2EG/U3EG ADAS SENSOR AND PROCESSING FOR CAMERA POWER REFERENCE DESIGN -
ZYNQ ULTRASCALE+ MPSOC ZU7 ADAS AUTOMOTIVE POWER REFERENCE DESIGN -
AN INTRODUCTION TO THE MAGALPHA MAGNETIC ANGLE SENSOR FAMILYThe ability to detect position or speed is a fundamental requirement in the control and monitoring of many mechanical systems. Slow speed position measurement in applications such as motorized actuators has historically used resistive potentiometers. In high-speed applications such as servo motors, optical encoders have typically been used. Though potentiometers are inexpensive, they suffer from ...
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MCAR ANGLE SENSORSThe mCar is a demonstration and marketing platform for MPS hardware. It integrates MPS power and motion control components in a real, large scale system that allows MPS teams to implement and test hardware and software on a challenging application. mCar was fully developed and fabricated in-house at MPS. Learn more about themCaror visit ourautomotivecomponentspage. MA704 10-bit, High Bandwith, ...
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WHEN IS IT BENEFICIAL TO PLACE A COPPER LAYER BENEATH DC/DC POWER SUPPLIES?Engineers often disagree on whether the inductive bottom of DC/DC power supplies should be laid with copper. The first argument is that laying copper under the inductor produces eddy currents on the ground plane. As a result, the eddy current affects the power inductor’s inductance and increases the system loss, and the ground plane noise impacts other high-speed signals. The second argument is th...
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MA800 FAMILY: MAGNETIC ANGLE SENSORS FOR HMI KNOBS, DIALS, AND BUTTONSThe MA800, MA820, and MA850 family of magnetic angle sensors comprises a complete solution in a tiny, 3mmx3mm QFN package. Different output interfaces — including SPI, SSI, ABZ, and PWM — offer design flexibility and additional compatibility. Features Contactless Sensing for Long Life with No Wear 8-Bit Resolution Absolute Angle Encoder 0° to 360° True Absolute Angle Output Push and Pull De...
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MAGALPHA POSITION SENSOR USE CASE: POWER DRILLIn this use case, well consider the application of MagAlpha Angle Sensors for BLDC power tools. Using MPSs precision angle solution, all three Hall cells are replaced with a single MA102 Power tools are increasingly using brushless DC motors for efficiency and reliability. Traditionally, these motors have been commutated by placing three discrete Hall cells near the rotor magnet, but this requ...
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QUICK TIPS TO DIAGNOSE AND STABILIZE AN UNSTABLE SWITCHING POWER SUPPLYAn unstable power supply can cause severe system issues, such as audible noise from the passive components, unexpected jittering in the switching frequency, extreme oscillations on the output voltage during load transient events, and failures in the semiconductor switches. While there are various reasons for instability, an un-tuned compensation network accounts for majority of instability issues ...
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USING EXTERNAL KNOBS TO IMPROVE TRANSIENT PERFORMANCE OF BUCK REGULATORS WITH AN INTEGRATED COMPENSATION NETWORKThe 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...
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POWER FACTOR CORRECTIONPower factor is defined as the ratio of energy a device is capable of transmitting to the output versus the total amount of energy it takes from the input power source. It is a key figure of merit for the design of electrical devices, especially due to the regulations put in place by countries and international organizations like the EU, which define the minimum power factor or maximum level of ha...
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CENTRAL GATEWAYSAs vehicles continue to integrate electronic control unit (ECU) networks for cutting-edge functionality, the automotive central gateway controller plays a central role in bridging and managing the transfer of data across various protocols (e.g. CAN, FlexRay, LIN, Ethernet, and ISO-9141). The central gateway achieves physical isolation between ECU networks, as well as portability between protocols ...
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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...
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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 ...
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LIDARLaser imaging, detection, and ranging (LiDAR) is a rapidly expanding market for automotive advanced driver assistance system (ADAS) applications. Autonomous vehicle perception sensing is a cutting-edge functionality of ADAS technologies, and will continue to develop as new cars integrate radar with cameras and LiDAR systems. LiDAR uses real-time measurements of light pulses to offer higher bandwid...
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INFOTAINMENT SYSTEMSAutomotive 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 ...
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REARVIEW CAMERAS (OFF BATTERY)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...
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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...
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FRONT-FACING CAMERAS (OFF BATTERY)Front-facing cameras are an increasingly popular camera subsystem used in advanced driver assistance systems (ADAS) applications. Because this feature is becoming standard in more and more vehicles, off-battery camera systems must offer high integration and fast data processing to enable accurate, real-time monitoring of possible hazards in front of the vehicle, in addition to assisting with integ...
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FRONT-FACING CAMERAS (COAXIAL)Front-facing cameras are an increasingly popular 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 in front of the vehicle, and assist with integrated systems su...
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