Nowadays, smart driving ADAS has gradually entered everyone's life, and consumers will use the level of ADAS functions in the vehicle as an evaluation factor when purchasing a car. Among them, the intelligent driving ADAS domain controller plays a key role. It integrates the originally separate ECUs with each other to centralize more core functions, and can flexibly realize the configuration adjustment of the required functions according to customer requirements, facilitating the realization of platform and module Chemical production and manufacturing.

As the world's leading semiconductor company, STMicroelectronics has more than 30 years of experience and a rich product line in the field of automotive electronics. ST is committed to creating safe and reliable products and solutions for customers. For the high current power supply requirements and strict power-on sequences required by the high computing power SoC of ADAS domain controllers, ST provides a complete set of power management chip solutions to ensure the stability of system operation. Not only that, ST has also integrated its own MCU on the DEMO, and plans to add a series of ST's own product lines such as GNSS, IMU, and IMG Sensor in the future to comprehensively improve the functionality of domain control.

This DEMO uses a single forward-looking smart camera, which can be expanded to lightweight parking and parking integration, smart cockpit DMS/OMS and other application scenarios. This DEMO is based on ST's own product lines, such as MCU, SBC, PMIC and LDO chips, and cooperates with Horizon and Lierda to jointly develop this ADAS domain control solution. Its main features are as follows:

❖ One-stop peripheral chip solution

❖ ASIL-D automotive grade functional safety

❖ Better power supply performance

❖ Smaller voltage/current ripple

❖ Rich and comprehensive expandable interfaces

This solution captures road condition information through the front camera and transmits it to the SoC. The SoC then performs perception fusion and transmits the fused information to the MCU for path planning and vehicle control information sending to the CAN network to achieve intelligent driving (system The block diagram is as follows).

The ST product applications of this DEMO are as follows:

Automotive grade MCU: SPC58

✦ Ensure platform and software integrity and secure in-car communications

Automotive grade SBC: L9396

✦ Integrated switch, linear power supply, multiple power rail outputs

✦ Support SPI communication, complete protection diagnosis function, and support customer system functional safety ASIL-D level

Automotive grade PMIC: L5965

✦ Widely used power management chips for automotive ECU, vision, and radar system applications

✦ The voltage regulator output, power-on sequence, etc. can be configured through OTP, supporting system functional safety level ASIL-B

Automotive grade PMIC: L5963

✦ Dual monolithic switching regulator with LDO and HSD

✦ 3.5~26V wide voltage input range, low static power consumption in standby, and multiple protection functions

Automotive grade DCDC: A6727B

✦ Used in automotive processors, automotive infotainment systems, automotive gateways, and body control

✦ Input voltage 1.5V to 12V, external Mos tube, output current 10A, output voltage accuracy 1%, output voltage adjustable, internal voltage reference 0.8V

✦ OCP overcurrent protection, internal soft start, overvoltage and undervoltage protection

Automotive grade DCDC: A7986A

✦ Used in automotive processors, automotive infotainment systems, automotive gateways, and body control

✦ Input voltage 4.5V to 38V, output current 3A, output voltage adjustable, output voltage 0.6V to Vin

✦ Overcurrent protection, overvoltage and undervoltage protection

Automotive grade LDO: L99VR0x

✦ Used to power automotive microprocessors, cameras, sensors, vehicle infotainment systems, display navigation and other systems

✦ Fixed 8-level adjustable output voltage, ≤1uA low quiescent current (disabled), and ±2% accuracy (@ up to 150℃)

✦ Enable, undervoltage reset function, undervoltage lockout (UVLO) protection function, comply with ISO26262 safety requirements, safety document support

Automotive grade LDO: LD49100

✦ Used in ADAS, vehicle infotainment systems, vehicle gateways, and body control

✦ Input voltage 1.5V to 5.5V, output current 1A, output voltage adjustable or fixed, output voltage 0.8V to 4.5V, dropout: 200mV

✦ PG signal, overcurrent, overvoltage, undervoltage protection, soft start

✦ Expandable MCU series, equipped with hardware security modules, intelligent low power consumption, gateway capabilities and complete ecological environment support

It is understood that ST will continue to deepen its research and development in the field of intelligent driving, combine its insights into market trends and technology trends, and accelerate the technology iteration of each product line. The next generation of ADAS domain control will use Stellar series MCUs with higher computing power, and integrate more of its own products into ADAS/AD system solutions, such as: GNSS, IMU, Lidar GAN, RF Radar, IMG Sensor and other ST's own products. It has a product line that realizes more comprehensive intelligent driving functions such as high-precision positioning, further realizes safe and reliable one-stop intelligent driving system solutions, and better meets the needs of customers and the market, thereby comprehensively catering to the era of large-scale automotive domain control.