Datasheet

ENABLEMENT TOOLS
Development Hardware:
 3-phase low-voltage power stage DEVKIT-MOTORGD based
on SMARTMOS GD3000 pre-driver up to 18 Volts
 S32K144EVB: S32K144 Evaluation Board
 3-phase permanent magnet low-voltage motor
 12 V / 5 A power supply
Runtime Software:
 Sensorless control of the PMSM motor with Field Weakening
 Software example contains routine for encoder signal
processing
 Single-shunt and dual-shunt current sensing
 Software example created in the S32 Design Studio for Arm
built on S32 Software Development Kit (SDK)
 MCU peripherals initialization generated by Processor Expert
 FreeMASTER project part of software package
 Motor Control Application Tuning (MCAT) tool 1.1 available
www.nxp.com/AutoMCDevKits, www.nxp.com/DEVKIT-MOTORGD and www.nxp.com/S32K144EVB
NXP and the NXP logo are trademarks of NXP B.V. All other product or service names are the property of their respective owners.
© 2019 NXP B.V.
Document Number: MTRDEVKSPNK144FS REV 1
3-PHASE PMSM DEVELOPMENT KIT WITH THE S32K144 MCU
MOTOR CONTROL ALGORITHM CONCEPT
S32K144
Automotive Math and
Motor Control Library
Set for S32K14x
FreeMASTER
LPUART
SDK Driver
Application Control
Speed Loop & FW Current Loop
Speed
Controller
Field
Awakening
PWM
Modulation
Angle
Tracking
Observer
Back-EM & Angle
Tracking Observer
SW SWITCH
sin
cos
Speed_Req
Omega_actual_mech
Switch sensor
Is_d_req
Is_q_lim
Udc bus
Idc bus
ls_aIdc bus ls_b Theta_enc
U_dc
Duty Cycle a
Duty Cycle b
Duty Cycle c
Us_alpha_comp
Us_alpha
Us_beta
Us_beta_comp
lsblsa lsc Enc_a Enc_b
12 Vdc
U_Dc bus
Is_q_req
Is_q
Is_q
Us_d
Us_q
Is_d
Is_beta
Theta
Theta_est
Omega_est
Theta_enc_filt
Omega_enc_filt
Is_a
Is_b
Is_c
Is_alpha
GPIO
3-Phase Low-Voltage Power Stage
S32 SDK Driver
LPSPI
Overprotection
Current
S32 SDK Driver
FTM (PWM)
S32 SDK Driver
PMSM
Current d
PI Controller
Current
Sensing
Processing
Inverse Park
Transformation
d, q alpha, beta
DC_bus
Ripple
Compensation
Current q
PI Controller
Forward Park
Transformation
alpha, beta d, q
Forward Clark
Transformation
a, b, c alpha, beta
Fault
MC34GD3000
TRGMUX
S32 SDK
Driver
FTM (QUAD)
S32 SDK
Driver
PDB
S32 SDK
Driver
ADC
S32 SDK Driver
Start/Stop
+ -