Design Win

Specific CAN-controlled brushless motor evaluation board based on SPC560P and L9908 with BLDC motor included

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Product overview


The AEK-MOT-3P9908M evaluation board is based on the SPC560P Pictus 32-bit MCU and the L9908 gate driver allowing the control of 6 N-channel FETs for brushless motors in automotive applications.

The AEK-MOT-3P9908M supports independent encoder inputs and Hall sensors to detect and control motor speed.

The L9908 independently controls each N-channel FET through a dedicated PWM input pin. L9908 configuration, protection and diagnostic functions are controlled via SPI by the SPC560P microcontroller.

Firmware is preloaded and can be externally driven via CAN bus. The STSW-AUTODEVKIT contains a CAN bus driving example based on SPC58 Chorus 4M, named “SPC58ECxx_RLA_MainEcuForBLDCControl-L9908 - Test Application”. In the project folder, a readme file explains how to use the demo which works only with a BLDC motor with Hall sensors.

To change the motor characteristics or the control firmware on the SPC560P50L5, you need to install the SPC5-MCTK-LIB motor control plug-in in SPC5Studio.

Once the motor control plug-in is installed, select the “SPC560Pxx_RLA_AEK_MOT_3P99081_3Phase_Motor_Control_L9908_via_CAN” demo and make your customizations in the Motor Control Component section.

Update the Motor Settings section according to the motor used and, if the motor sensing is not based on Hall sensors, update also the type of sensor used in the Speed Sensor Selection menu of the Drive Management section.

  • All features

    • Hosts an automotive-grade L9908 gate driver to control 6 N-channel FETs and SPC560P Pictus 32-bit automotive microcontroller
    • Works with 12 V, 24 V and 48 V battery bus
    • Independent encoder inputs and Hall sensors
    • Gate driver configurable through dedicated SPI bus
    • Dedicated PWM input pin for each gate driver
    • CAN bus interface for remote control
    • BLDC motor included in the package:
      • Rated power 65 W
      • Rated torque 13 Ncm
      • Rated current 3.26 A
      • Rated voltage 24 V
      • Rated speed 4840 rpm

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
CARD Industrial Ecopack2 Yes




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(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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SPC560P50L5, L9908
ST 5A991.b.4.a NEC ITALY

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors