Semiconductor composition in automobiles
According to data from market research firm Databeans, the average semiconductor product cost per car is $350. The application of semiconductor components in automobiles is shown in Figure 1.
Figure 1. Automotive semiconductor composition
Automotive key market solutions and strategies
As one of the world's leading suppliers of the top ten energy-efficient automotive silicon solutions, ON Semiconductor has a strong growth in automotive electronics, with revenues increasing by nearly 300% compared to a few years ago, especially in the automotive image sensor sector and the AFS market. It has maintained its number one position in the world and will continue to provide comprehensive product lineups and solutions for the automotive market development trend and continue to promote automotive innovation.
Car electrification
With the increasingly stringent requirements of the government and consumers for fuel efficiency, energy conservation, pollution reduction and environmental protection, various new energy vehicles such as HEV/EV/PHEV have been vigorously developed. ON Semiconductor offers field-off IGBTs, energy-efficient FETs, power integrated modules, gate drivers, intelligent power modules, application-specific integrated circuits (ASICs), and specialized standard products (ASSP) to support automotive electrification. The development of new energy vehicles first needs to transform various energies. In order to continuously improve the efficiency of various energy transformations, ON Semiconductor focuses on strengthening innovation in the following aspects:
Develop a variety of energy-efficient power electronic devices, such as high-power IGBTs, power MOSFETs with very low on-resistance, reduce switching losses, and improve the efficiency of conversion from electrical energy to mechanical energy. Take Power Integrated Module (PIM) NXH80T120L2Q0PG as an example, using ON Semiconductor's proprietary trench second-generation field stop technology (FSII) and innovative packaging technology to provide over 98% energy efficiency, junction temperature up to 175 °C, reliable Extremely high. The low on-resistance MOSFETs offer a compact, high thermal efficiency package.
Table 1. Power MOSFET Family for Very Low On-Resistance for Automotive Applications
Figure 2. New PEM and MOSFETs for automotive applications from ON Semiconductor
Development of various DC-DC converters to ensure high conversion efficiency of energy from one voltage level to another, such as from 48 V to 12 V, from 300 V to 48 V, from 12 V to 220 V, etc. .
In addition, for the high temperature and harsh conditions under the hood of the car, ON Semiconductor introduced the IPM STK984-17X series of intelligent power modules, integrated intelligent sensorless brushless DC motor (BLDC) controller LV8907, 6 independent MOSFETs, precision shunt Resistors, thermistors, and system peripheral components. The LV8907 does not require any position sensor, preloads the configuration registers, requires no software, and can drive the motor in stand-alone mode. Without the need for an external system controller, the LV8907 also integrates a LIN transceiver to provide an advanced motor drive solution based on LIN. The STK984-17X is used in automotive cooling fans, electric oil pumps, fuel pumps, electric pumps, etc. It does not require any external microcontrollers. It uses a unique insulated metal substrate technology (IMST) to support the design of no-board, significantly reducing the system's Space, weight and cost provide energy efficiency and reliability, simplify design and speed time to market.
Active safety and self-driving
With the continuous improvement of people's awareness of safety, the active safety system has been continuously applied in the car. In particular, ADAS has made great progress with various sensors, showing the development of blowout. For such applications, ON Semiconductor offers image sensors and smart passive sensors that are fully compliant with the Automotive Safety Integrity Level (ASIL B) ISO26262.
Image sensors for vision applications (such as reversing images and panoramic parking image systems), ADAS applications (such as blind spot detection, lane departure warning, collision avoidance and active cruise control, pedestrian detection, traffic signal recognition) and new fatigue detection, gestures Identification (inside the cabin) and mirror replacement. With more than 10 years of experience in providing CMOS image sensors for the automotive market, ON Semiconductor is the world's No. 1 market supplier of ADAS, providing image sensors with excellent low-light performance, superior image distortion correction, and high dynamic range. (HDR), automotive-grade operating temperature range and high reliability and quality. For example, the company's latest CMOS image sensor AR0136AT, which uses back-illuminated (BSI) sensor technology, provides best-in-class performance, providing four times the low-light signal-to-noise ratio and increasing the visible light sensitivity by 40% compared to the current leading market AR0132AT. And boosts near-infrared (NIR) performance by more than 60%. The company's new line of image coprocessors, the AP020x, enables the HDR 1080p automotive imaging system to combine a company's high-performance 2 megapixel sensors such as the AR0230AT and 1 megapixel sensors such as the AR0140AT, AR0132AT and AR0136AT to provide a complete and complete reversing image. Panoramic parking image plan.
Figure 3. ON Semiconductor's first BSI sensor (left) and new series of image coprocessors (right)
ON Semiconductor's solutions for automotive reversing images also include 2 MHz switching power supplies (SMPS) such as NCV890201MWTXG and NCV898031D1R2G, low dropout regulators (LDO) such as NCV8703 and NCV8705, and switching MOSFETs such as NVTFS5116PL (u8FL) and BVSS84L (SOT23). Digital transistors such as SDTC1xxEE, CAN transceivers such as NCV7356 and NCV7341, image processors such as AP0100AT, video signal processors such as LC749000, EEPROMs such as CAV25256 (SPI) and CAV24C256 (I2C), logic products such as NL17SZxx and ESD, and the like.
Intelligent passive sensors are mainly used to detect seats and sense liquid levels. ON Semiconductor's intelligent passive sensor solution uses the first, ultra-high frequency RFID sensor tag with a smart sensor IC called Magnus and a printable antenna to support wireless sensing temperature, humidity, pressure and distance, all No external power supply is required. In the seat detection application, the solution combines human body detection elements and standard weight detection to provide a seat belt warning indication and close/open the airbag, which solves the challenge that today's car seat detection system does not provide human detection and only provides pressure detection; In terms of liquid level measurement, the solution is used to sense the liquid level outside the container, eliminating the need for sensitive electronics and mechanical devices in today's automotive fuel tanks.
LED lighting
Thanks to the small size of LEDs, design flexibility and energy saving, LED lights are expected to become a trend in automotive lighting, creating unique shapes, achieving energy savings and enhancing safety.
ON Semiconductor offers a range of LED drivers and stepper motor drivers for such applications, such as the fully integrated addressable LIN RGB (red, green and blue) single-chip solution NCV7430, which can output 16 million different colors via LIN commands. Used for security features such as vehicle theft and creating a personalized interior atmosphere, this solution saves board space compared to current solutions consisting of microcontrollers and LIN-SBC, and can use optional ballast control pins , making thermal management simpler, with separate LIN nodes acquiring addresses via pre-programmed or LIN commands, making design flexible and cost-effective; innovative LED headlamp lighting solution NCV78663 with power ballast and dual LED drivers for segmentation The glare-free high beam, integrated with intelligent electronics, allows the car to automatically adapt to various road conditions through sensors, cameras and navigation controls, and enhances safety by maximizing the lighting area, supporting a modular design platform that is easy to design and cost effective; AFS will move from motor control to the use of pixel/matrix technology, and ON Semiconductor offers LED AFS pixels/matrices All the semiconductor elements of the system (except microcontroller) such as LED ASSP, FET, LDO, rectifiers, logic devices, zener, protection.
connection
From the perspectives of user experience, driving efficiency and active safety, the interior and exterior of the car must connect one node to an organic network, especially navigation systems and location-based navigation applications, such as real-time traffic information, parking spaces. Information, restaurants, gas station information, etc. As far as the car is concerned, each sub-system must work more closely together and need information sharing; information exchange and sharing is more important in terms of car-to-car and car and other external systems. ON Semiconductor offers a variety of different bus transceivers and information processing units for these networks.
In addition, body and infotainment systems are also key areas of ON Semiconductor's automotive business development to enhance ride comfort and entertainment.
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