TLE9879QXA40XUMA2

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Embedded - Microcontrollers - Application Specific

The TLE9879QXA40XUMA2 is an integrated single-chip motor driver solution developed and produced by Infineon Technologies. The device integrates three blocks in one chip: power conversion, motor control and safety features, providing comprehensive and comprehensive integrated solutions for automotive motor control applications. This single chip solution is designed to simplify the industrial process, reduce size, and improve the efficiency of power conversion systems, primarily for automotive applications.

Application Field

The TLE9879QXA40XUMA2 is mainly used in automotive industry, for example in modern driving assistance systems, electrically adjustable seats or electrically operated tailgates, etc. It can drive dc brushless or brush motors with up to four phases, and thanks to its integrated safety functions, it can also be used in safety-critical applications. By simplifying motor control, the TLE9879QXA40XUMA2 helps reduce system power consumption, shrink the total solution size, reduce cost and improve system reliability.

Working Principle

The basic operating principle of the TLE9879QXA40XUMA2 is to convert the direct current (DC) signal of the automotive battery into alternating current (AC) signal to control motor speed, torque, and direction. It is mainly composed of power conversion, motor control, and safety functions. The power conversion block mainly includes an inverter with full-bridge drivers and a PWM controller, which can convert the DC signal into reversible 3-phase AC signals. The motor control block uses a sensorless vector and FOC algorithm to accurately control the motor speed and torque. The safety functions of the chip integrate Safe Startup, Safe Stop, Fault Control and Boundary Control Protection (BCP).

Conclusion

The TLE9879QXA40XUMA2 is a powerful microcontroller specifically designed for automotive motor control applications. Its integrated power conversion, motor control, and safety functions make it suitable for driving brushless/brush motors with up to four phases, and its high-performance Vector FOC algorithm can accurately control motor speed, torque and direction. It can significantly reduce the size, cost and power consumption of motor control systems, while improving system reliability.

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