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MOTIX™ Microcontroller Smart motor control. MOTIX™ is a highly integrated microcontroller that integrates drive circuits.

Infineon Technologies AG
Infineon Technologies AG
  • Infineon Technologies AG
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Product overview

MOTIX™ microcontrollers are a highly integrated 32-bit microcontroller series from Infineon that specializes in motor control.
Equipped with Arm® Cortex®-M0/M3/M23, the device integrates drive circuits for DC and BLDC motors on a single chip. It is ideal for automotive applications such as window lifters, HVAC fans, and auxiliary pumps, as well as industrial equipment and power tools. By reducing the number of external components, it achieves both simplified design and cost efficiency. It has already been adopted by numerous major European and Japanese automakers, earning a high reputation for its high reliability and control precision.
This is a motor control IC that integrates POWER SUPPLIES, sensing, control, drive, and communication.

List of main features and specifications

Highly integrated SoC configuration: POWER SUPPLIES + microcontroller + driver circuit + communication interface integrated into one chip
Motor drive circuit: Supports relay, half bridge, H bridge, and 3-phase bridge
CPU core: Arm® Cortex®-M0/M3/M23, ideal for real-time control
Communication interface: CAN-FD, LIN, SPI, UART
Scalability: A wide range of FLASH MEMORIES capacity, frequency, and temperature range options enable flexible design.

Product group

MOTIX™ Microcontrollers
32-bit motor control with built-in relay driver		MOTIX™ Microcontrollers
32-bit motor control SoC with built-in half-BRIDGE DRIVER		MOTIX™ Microcontrollers
32-bit motor control SoC with built-in H BRIDGE DRIVER		MOTIX™ Microcontrollers
32-bit motor control SoC with built-in 3-phase BRIDGE DRIVER
comedy sketch
roller		Arm® Cortex®-M0Arm® Cortex®-M0Arm® Cortex®-M0/M3/M23Arm® Cortex®-M3/M23
Core Frequency25 - 40 MHz40 MHz20 - 60 MHz24 - 60 MHz
flash
size		36 - 64 kByte48 - 64 kByte36 - 256 kByte36 - 256 kByte
driver
stage		Relay driverHalf-bridge or NFETH-bridge or NFETB6 bridge for NFET
Communication InterfacePWM, LINPWM, LINPWM, LIN, CAN (FD)PWM, LIN, CAN (FD)
temperature≤150°C≤175°C≤175°C≤175°C
ISO ComplianceQMQMQM, ASIL BQM, ASIL B

For detailed technical information, please visit the Infineon website.

Benefits of implementation

problemssolution
Drive circuit design is complexHighly integrated SoCs simplify design
Not enough PCB spaceSmall package saves space
Many external components required, high costCost reduction with minimum external components
Motor control is slow to respondHigh-speed calculations and optimized drivers for improved responsiveness

Use cases and implementation examples

Use case 1: Window lift control

[Use case overview]
Power windows for vehicles require quiet operation, smooth operation, and safety, with pinch prevention and soft start/stop control being particularly important.

[Major features]
Smooth motor control with high-precision PWM
Obstacle detection by current detection (prevention of pinching)
Linking with ECU via LIN communication
Small package makes it easy to incorporate into door modules

Use Case 2: HVAC FAN MOTORS control

[Use case overview]
Controlling the air conditioning inside a vehicle requires precise adjustment of air volume and responsiveness, and achieving both comfort and energy efficiency is a challenge.

[Major features]
Built-in three-phase BRIDGE DRIVER ideal for BLDC motor control
Feedback control in conjunction with TEMPERATURE SENSORS
Integration with vehicle networks via CAN communication
Low power consumption design reduces battery load

Use case 3: Electric water pump control

[Use case overview]
Electric pumps used to cool batteries and INVERTERS in EVs and HEVs require high reliability and quick response to temperature changes.

[Major features]
High-resolution ADC for temperature and current monitoring
Control library for FOC (Field Oriented Control)
Automotive-grade design that operates stably even in high-temperature environments
CAN-FD compatible for high-speed communication

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