Frequently Asked Questions

What product categories does AutoChips offer?

AutoChips offers four primary product categories: Automotive MCUs for vehicle control and processing applications with functional safety support; Power Management ICs including voltage regulators and PMICs for automotive power systems; Motor Driver ICs for brushless DC and stepper motor control in automotive applications; and Sensor Interface ICs for pressure, temperature, and position sensor signal conditioning. Each category includes multiple product families optimized for specific automotive performance requirements and AEC-Q100 qualification levels. As an authorized distributor, LiTong provides comprehensive selection guidance across all product lines.

Browse our product categories below to find detailed specifications and selection guides. Contact our FAE team for assistance in selecting the optimal products for your automotive design.

AutoChips product categories automotive IC portfolio AEC-Q100 solutions
How do I select the right AutoChips MCU for my automotive application?

Selecting the right AutoChips automotive MCU requires understanding your application requirements. Consider key parameters: processing performance (ARM Cortex-M0/M3/M4 cores), memory size (Flash and RAM), functional safety level (ASIL-B or ASIL-D), peripheral requirements (CAN, LIN, ADC, PWM), and operating temperature range. For body control modules, AC7801x series offers excellent cost-performance. For powertrain applications requiring higher performance, consider AC7840x series with advanced motor control peripherals. For safety-critical applications, ensure the MCU supports required ASIL levels with appropriate safety features. AutoChips provides detailed datasheets and safety manuals to guide your selection process.

Review the detailed specifications in our Automotive MCUs category. Contact LiTong FAEs for personalized recommendations based on your specific automotive requirements.

AutoChips MCU selection automotive microcontroller guide ASIL functional safety
What is AEC-Q100 qualification and why is it important for automotive components?

AEC-Q100 is the Automotive Electronics Council qualification standard that defines stress test qualifications for automotive-grade integrated circuits. It ensures components can withstand harsh automotive environments including extreme temperatures (-40°C to +125°C or +150°C), thermal cycling, humidity, vibration, and ESD. The qualification includes accelerated life testing to ensure long-term reliability over the vehicle lifetime (typically 15 years). AEC-Q100 has different grades: Grade 0 (-40 to +150°C), Grade 1 (-40 to +125°C), Grade 2 (-40 to +105°C), and Grade 3 (-40 to +85°C). For automotive applications, using AEC-Q100 qualified components is essential to ensure reliability and meet OEM requirements. AutoChips products are AEC-Q100 qualified to meet these stringent automotive standards.

Select AEC-Q100 qualified components for all automotive applications. Contact LiTong for guidance on appropriate qualification grades for your specific application.

AEC-Q100 qualification automotive reliability AEC-Q100 Grade 1
What are the key features of AutoChips motor driver ICs?

AutoChips motor driver ICs feature high-performance gate drivers for brushless DC motors and stepper motors with integrated protection features. Key features include programmable gate drive current, integrated current sensing, over-current and over-temperature protection, and diagnostic capabilities. The drivers support various motor control algorithms including trapezoidal and sinusoidal commutation. Integrated charge pumps allow 100% PWM duty cycle operation. Comprehensive fault reporting includes over-current, under-voltage, over-temperature, and shoot-through protection. These features make AutoChips motor drivers suitable for automotive applications including HVAC blowers, cooling fans, and electric power steering systems.

Select AutoChips motor drivers based on your motor type, voltage range, and current requirements. Contact LiTong for application-specific recommendations.

AutoChips motor driver features BLDC driver automotive motor control
What protection features do AutoChips power management ICs include?

AutoChips power management ICs incorporate comprehensive protection features to ensure reliable operation in automotive environments. Standard protections include over-current protection (OCP) to prevent damage from excessive load current, over-voltage protection (OVP) to safeguard against voltage transients and load dump conditions, over-temperature protection (OTP) to prevent thermal damage, and short-circuit protection (SCP) for fault conditions. Additional automotive-specific protections include reverse battery protection, load dump protection (per ISO 7637-2), and thermal shutdown with hysteresis. These protection features help create robust power systems for automotive body electronics, ADAS, and powertrain applications.

All AutoChips power management ICs include essential automotive protections. Contact LiTong for specific protection requirements in your application.

automotive power management protection OCP OVP OTP load dump protection