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The head unit is the nucleus of the audio and information systems within a vehicle. It seamlessly connects devices and occupants to various forms of media visually and aurally. It is not only an entertainment piece; with its linkages to telematics systems and driver assist systems, the head unit has become a key differentiating feature in a vehicle.

Innovative connectivity and Human-Machine Interface (HMI) solutions are needed as the number of required tasks that a head unit must encompass continues to increase. As the leading supplier of infotainment connectivity and automotive touch screen solutions, we provide you with the products and support you need to create state-of-the-art head unit systems.


INICnet™ Technology

INICnet™ technology simplifies automotive infotainment networking with support for ethernet, audio, video and control over a single cable. INICnet technology can coexist with automotive Ethernet to seamlessly interface Internet Protocol (IP)-based data communications across vehicle domains, while providing efficient transport of audio and video data. INICnet technology does not require development and licensing of additional protocols or software stacks, reducing development costs and keeping development on schedule. INICnet technology supports a variety of system management methodologies via IP, or a dedicated control message channel. Data rates of 50 Mbps on UTP or 150 Mbps on coax or optical cabling are supported.

  • OS81118 - Single-network port highly integrated Intelligent Network Interface Controller (INIC)
  • OS81119 - Dual-network port highly integrated Intelligent Network Interface Controller (INIC)

Companion and Power Management

To facilitate your design, we offer a variety of power management and companion devices that pair well with our INICnet technology, allowing you to easily meet your telematics application needs.

  • OS85652 - High-performance MediaLB® I/O port expander with DTCP
  • OS85654 - Serial MediaLB I/O port expander with DTCP
  • MPM85000 – ECU power management device

Ethernet Products

Since delivering the very first AEC-Q100-qualified Ethernet devices to the market back in 2008, we have led the way in providing automotive-grade Ethernet controllers, switches, bridges and transceiver PHYs. With Ethernet solutions that range from 10 Mbps to 1 Gbps, our portfolio enables many high-speed networking applications throughout the vehicle.

  • KSZ9031 - Gigabit Ethernet transceiver with power-saving features
  • LAN88730 -10/100BASE-T/TX Ethernet transceiver for automotive applications
  • KSZ8851 -10/100BASE-T/TX Ethernet controller with generic 8-/16-/32-bit or SPI interface
  • LAN89730 -USB to 10/100BASE-T/TX Ethernet bridge for automotive applications
  • KSZ8567 -7-port 10/100 AVB Ethernet switch
  • KSZ8895 -5-port 10/100 Ethernet switch with fiber support
  • LAN89730 - USB to 10/100BASE-T/TX Ethernet bridge for automotive applications
  • LAN7801 – SuperSpeed USB 3.1 Gen 1 to 10/100/1000 Gigabit Ethernet bridge

USB Hub Controllers

These highly-integrated devices incorporate leadership functionality including multi-host endpoint reflector, battery charging support for industry profiles, embedded 32-bit microcontroller for the implementation of USB I/O bridging and USB Power Delivery. Our USB hub controllers include advanced USB features, like USB 2.0 Link Power Management and High-Speed Inter-Chip (HSIC) USB Electrical Specification Revision 1.0 for low power consumption.

  • USB4914 – USB 2.0 Hi-Speed Hub with unique SmartHub™ features
  • USB84602 – USB 2.0 hub controller with two downstream ports
  • USB84604 – USB 2.0 hub controller with four downstream ports

CAN Transceivers

Our CAN transceivers includes CAN 2.0, CAN Flexible Data-Rate (CAN FD), and CAN Partial Networking (CAN PN) transceivers and support the newest CAN standards, ISO 11898 2/5/6, ISO 11898-2:2016 and SAE J2962-2. Features include various wake-up functionalities and exceptional EMC performance even without a common-mode choke. We also offer the industry’s first AEC-Q100 Grade-0 (150°C) qualified CAN transceiver family.

  • ATA6562 - High-speed CAN FD transceiver with standby and silent mode and WUP
  • MCP2561FD - High-speed CAN FD transceiver with standby mode and SPLIT pin
  • ATA6570 - High-speed CAN FD transceiver with Partial Networking

LIN Transceivers

Our lineup of LIN transceivers ranges from standalone LIN transceivers to fully integrated SIPs that include a voltage regulator and a microcontroller. Our LIN transceivers are compliant with the industry-standard LIN bus specifications and are approved by the major global OEMs.

  • MCP2003B – Stand-alone 8-pin LIN transceiver
  • ATA663254 - LIN System Basis Chip including 5V voltage regulator and NRES output
  • ATA663454 – LIN System Basis Chip including 5V voltage regulator, watchdog and high side switch


To facilitate the design of embedded control systems, we offer high-performance Arm® Cortex®-M0+/M4/M7 based devices with easy-to-use development tools and simplified power configuration and setup. Our SAM Arm core-based MCUs offer scalability and many are qualified to the AEC-Q100 standard.

  • ATSAMV71N20 – 32-bit Arm Cortex-M7 based MCU with USB, Ethernet, CAN FD, and MediaLB bus
  • ATSAME51N20A – 32-bit Arm Cortex-M4F based MCU with 1 Msps 12-bit Analog-to-Digital Converter (ADC), QSPI, USB, Ethernet and Peripheral Touch Controller (PTC)
  • ATSAMC21N18A – 5 volt 32-bit Arm Cortex M0+ based MCU with CANFD

Serial EEPROMs

We are a leading supplier of high-quality, robust serial EEPROMs, supporting I2C, SPI, Microwire, and UNI/O® bus types. Our EEPROMs are triple-tested to ensure the highest quality and reliability and feature endurance levels exceeding one million cycles and over 200 years of data retention.

  • AT25128B – 128 Kb SPI serial EEPROM
  • 24LC128 – 128 Kb I2C compatible 2-wire serial EEPROM
  • 93LC86C – 16 Kb Microwire (3-wire) serial EEPROM with hardware-selectable word size

Temperature Sensors

Our lineup of temperature sensors and switches comprises analog and digital outputs, giving you the flexibility you need for your design. Our automotive-grade temperature sensors are factory calibrated with up to ±0.5°C accuracy over a temperature range of −40°C to 125°C. Available in very small form factors, they provide an ideal solution for temperature sensing without consuming a significant amount of board space.

  • MCP9700A - Low-power linear active thermistor ICs, analog output
  • MCP9800 - 2-wire high-accuracy temperature sensor, digital output
  • MCP9504 - Temperature switch with selectable hysteresis

Voltage Regulators

Our basic power management solutions include several automotive-grade linear and switched voltage regulators. Linear regulators feature low-dropout voltages, ultra-low quiescent currents, wide input voltage ranges, load dump and reverse battery protection. Switching regulators support buck, boost, buck-boost and SEPIC designs from 100 mA to 12A output currents.

  • MAQ5281 – High-performance, low-dropout regulator, 25 mA, 120V, adjustable Vout from 1.27 to 5.5V
  • MCP1790 – 30V, 70 mA, load dump protected linear voltage regulator
  • MCP16311 – 30V, 1A PFM/PWM high-efficiency synchronous buck regulator
  • MCP16331 – 50V 1A non-synchronous buck regulator

MEMS Oscillators

Our MEMS oscillators are designed to meet the stringent requirements of the harsh automotive environment. With quality and performance advantages over crystal oscillators such as DPPM levels that are 10 times lower, shock tolerance 500 times higher and vibration tolerance five times higher, these MEMS oscillators are an excellent choice for automotive applications. Our leading-edge MEMS technology, advanced packaging, and innovative Phase-Locked Loop (PLL) design enables us to offer the most stable, reliable and robust oscillators in the industry.

  • DSA1105 - Automotive low-jitter MEMS oscillator
  • DSA1125 - Automotive low-Jitter MEMS oscillator
  • DSA2311 - Automotive MEMS clock generator

Touch Sensing

Our solutions for automotive touch sensing cover a wide range of 1D, 2D and 3D touch applications.

Buttons, sliders, proximity (1D): Turnkey solutions are available to quick time to market. More flexible 1D touch solutions are achievable with MCU-based solutions and touch libraries. Our solutions are proven to be robust and reliable in some of the most difficult conditions including noise, humidity, temperature and water.

Touchpads and touchscreens (2D): Our maXTouch® technology is capable of controlling small and large multi-touch pads and screens in harsh automotive environments. The ability to sense through gloves as well as tolerance to water and high noise levels are hallmarks of this technology.

Gesture control (3D): Gesture detection and motion tracking are achievable with our patented GestIC® technology. Applications benefit from a low-cost, single-chip solution that only requires the usage of thin sensing electrodes.

  • ATMXT1189T-A – Automotive-grade touchscreen controller for 13” screens
  • ATMXT224S-A - Automotive-grade touchscreen controller for 4.3” screens
  • ATMXT336S-A - Automotive-grade touchscreen controller for 7” screens
  • MGC3140 – Automotive-grade E-field based 3D tracking and gesture controller


Our Real-Time Clock/Calendar (RTCC) products track time using internal counters for seconds, minutes, hours, days, months and years, along with days of the week. They also feature leap year compensation up to 2399. The devices are ideally suited for head units that display time and date.

  • MCP7940N – Battery-backed I2C RTCC with SRAM
  • MCP79412 – Battery-backed I2C RTCC with pre-programmed EUI-64™ MAC ID
  • MCP79510 – Battery-backed SPI RTCC
  • MCP795W22 – Enhanced-feature battery-backed SPI RTCC with pre-programmed EUI-64™ MAC ID

Development Tools