Infineon TLE9879 BLDC马达驱动方案

Infineon公司的TLE9879QXA40是单片三相马达驱动器,集成了工业标准的ARM® Cortex® M3核,可以实现先进的马达控制算法如磁场定向控制(FOC).TLE9879包括六个全集成的NFET驱动器,通过外接功率NFET来驱动三相马达,电荷泵可以低电压工作,可编程电流和电流斜率控制具有优异的EMC性能.它的外设包括电流传感器,带有用于PWM控制的捕获和比较的同步逐次逼近ADC和16位计时器.此外还集成LIN收发器使得能和通用I/O的设备进行通信.它还包括片上线性电压稳压器给外部负载供电.高度集成的器件包含了模拟和数字功能区块,嵌入的32位微控制器(工作频率高达40MHz)用来系统和接口控制.片上低压降的稳压器用来给内部和外部供电.内部振荡器提供成本效益的时钟,特别适合于LIN通信.而LIN收发器用作通信接口.还集成了具有外接MOSFET的马达桥或BLDC马达桥的驱动级,具有PWM功能,保护特性和电荷泵特性,其10位SAR ADC实现高精度传感器测量,而8位ADC用来诊断测量.单电源5.5 V- 27 V工作,工作温度Tj = -40℃到+150℃,具有AEC 认证,主要用在汽车马达驱动如泵和风扇.本文介绍了TLE9879QXA40主要特性,框图,系统控制单元-数字模块框图和Cortex-M3框图,评估板TLE9879 EvalKit V1.3主要特性,框图,电路图,元件放置图和PCB设计图.
The TLE9879QXA40 is a single chip 3-Phase motor driver that integrates the industry standard ARM® Cortex® M3core, enabling the implementation of advanced motor control algorithms such as field-oriented control.
It includes six fully integrated NFET drivers optimized to drive a 3-Phase motor via six external power NFETs, acharge pump enabling low voltage operation and programmable current along with current slope control foroptimized EMC behavior. Its peripheral set includes a current sensor, a successive approximation ADCsynchronized with the capture and compare unit for PWM control and 16-bit timers. A LIN transceiver is also integrated to enable communication to the device along with a number of general purpose I/Os. It includes anon-chip linear voltage regulator to supply external loads.It is a highly integrated automotive qualified device enabling cost and space efficient solutions for mechatronicBLDC motor drive applications such as pump...