NXP公司的MPC574xP系列是32位嵌入Power Architecture® MCU,滿足汽車和工業(yè)安全應(yīng)用的最高級安全標(biāo)準(zhǔn).工作頻率高達200MHz,嵌入浮點單元,支持安全標(biāo)準(zhǔn)ISO 26262 / ASIL D,集成了32路eDMA和4x12位模數(shù)轉(zhuǎn)換器(ADC),帶誤碼修正(ECC)多達2.5MB閃存和384KB SRAM,以及包括3 x FlexCAN, 2 x LINFlexD, 4 x DSPI, 4 x SENT在內(nèi)的通信協(xié)議,支持LFAST SIPI, 雙路FlexRay控制器和以太網(wǎng).本文介紹了MPC574xP系列主要特性,框圖,MPC5744P馬達控制板主要特性,框圖和電路圖.

The MPC574xP MCU family features a 32-bit embedded Power Architecture®. It meets the highest funcTIonal safety standards for automoTIve and industrial funcTIonal safety applicaTIons.

Integrated safety architecture minimizes additional software and development churn Programmable Fault Collection and Control Unit (FCCU) monitors the integrity status of the device and provides flexible safe state control.

End-to-End Error Correcting Code (e2eECC) improves fault tolerance and detection.Part of the SafeAssure® program, helping manufacturers achieve functional safety standard compliance.

MPC574xP系列主要特性:

Main Features

2 x e200z4 in delayed lock step operating up to 200 MHz

Embedded floating point unit

Built to support functional safety (ISO 26262 / ASIL D)

32-channel eDMA in delayed lockstep

4 x 12 bit analog-to-digital converters (ADC), each with 16 channelsUltra-Reliable MCUs

Memory Capability

Up to 2.5 MB flash memory w/ error code correction (ECC)

Up to 384 KB of total SRAM w/ECC

Communication Protocols

3 x FlexCAN

2 x LINFlexD

4 x DSPI

4 x SENT

LFAST SIPI support

Dual-channel FlexRay™ controller

Ethernet

Additional Features

Aurora debug and trace support

144-pin LQFP package

257-pin PBGA package

圖1.MPC574xP系列框圖

MPC5744P馬達控制板

圖2.MPC5744P馬達控制板外形圖

The NXP® MTRCKTSPS5744P motor control development kit is ideal for applications requiring one PMSM motor, such as power stearing or electric powertrain.

S12 MagniV PN MCU evaluation board

Designed to enable rapid prototyping and evaluation of the motor control application early in the design process

Includes a 32-bit NXP MPC5744P MCU based controller board and the 3-phase low-voltage power stage board.

Application software that provides a complete reference implementation of the PMSM motor control application and takes advantage of theAutomotive Math and Motor Control Library Set

圖3.采用MPC5744P的三相PMSM馬達開發(fā)板外形圖

MPC5744P馬達控制板主要特性:

NXP MPC5744P MCU Controller Board with JTAG and NEXUS debug interface

3-phase low-voltage power stage based on SMARTMOS® MC33937A pre-driver

Supports low-voltage PMSM motors with resolver position sensor

DC-bus overvoltage, overcurrent and undervoltage fault detection

ANSI-C based example Software and Hardware in S32DS IDE for Power Architecture based MCUs

FreeMASTER Tool for Project visualization

MCAT tool 1.0 part of S/W package

Extensive documentation for S/W and H/W

圖4.MPC5744P馬達控制板區(qū)塊布局圖

開發(fā)板包括:

3-phase low-voltage power stage based on SMARTMOS® MC33937A pre-driver

32-bit NXP MPC5744P controller board

AC/DC 24V universal power supply kit

3-phase PMSM low-voltage motor

USB cable

圖5.馬達控制算法草圖

圖6.MPC5744P馬達控制板框圖

圖7.MPC5744P馬達控制板電路圖(1)

圖8.MPC5744P馬達控制板電路圖(2)

圖9.MPC5744P馬達控制板電路圖(3)

圖10.MPC5744P馬達控制板電路圖(4)

圖11.MPC5744P馬達控制板電路圖(5)

圖12.MPC5744P馬達控制板電路圖(6)

圖13.MPC5744P馬達控制板電路圖(7)

圖14.MPC5744P馬達控制板電路圖(8)

圖15.MPC5744P馬達控制板電路圖(9)