SEC-EPS-12V-APM19-GEVB: A 12V EPS reference design board featuring APM19

STR-NCS32100-GEVK is a three-phase inverter reference design for Electronic Power Steering (EPS).
This system uses the NXV04V120DB1 APM19 Automotive Power Module.
The APM provides very low thermal resistance, reduced parasitic inductance,
an integrated snubber, and a smaller overall footprint compared
to discrete implementations.
These benefits enable higher power density and an extremely efficient solution
in a smaller system size.

The LV8968BB three-phase BLDC pre-driver provides gate drive capability and
has been designed to help systems meet ASIL-B under ISO 26262. The motor
control algorithm for testing uses field-oriented control (FOC) along with
a current loop enabling fast response and high efficiency. Filling out the design,
onsemi provides devices for the power rails (NCV890200, NCV7805), analog signal chain (NCV20072, NCV20074), reverse battery protection MOSFET (FDBL9406-F085T6), CAN communication (NCV7340), and several small signal devices such as BJTs, diodes and ESD protection.
Features and Applications


  • • Compact design
  • • AEC qualified components
  • • AEC module qualification for APM (AQG324)
  • • SPI interface for pre-driver
  • • Pre-driver designed to support ASIL-B functional safety rating.
  • • Wide-Vin 2MHz Buck Regulator
  • • Amplifiers with wide supply range and rail-to-rail output
  • • CAN communication


  • • High power density
  • • High efficiency
  • • Smaller module solution size


  • • Electronic Power Steering (EPS)
  • • 3-phase inverter for automotive BLDC motor control
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
A 12V EPS reference design board featuring APM19 CAT809LTBI-GT3 ESDONCAN1LT1G
NCV20074DR2G NCV7340D14R2G
NXV04V120DB1 SBC817-40LT1G
Technical Documents
Type Document Title Document ID/Size Rev
Application Notes Recommendations for Reliable Switching Performance using ON Semiconductor 40 V and 80 V Automotive Power Modules Using Shielded-Gate MOSFETs AND90006/D - 1307 KB  0 
Eval Board: BOM SEC-EPS-12V-APM19-GEVB_MCU_BOARD Bill of Materials (ROHS Compliant) SEC-EPS-12V-APM19-GEVB_MCU_BOARD_BOM_ROHS.pdf - 275 KB  0 
Eval Board: Schematic SEC-EPS-12V-APM19-GEVB_MCU_BOARD Schematic SEC-EPS-12V-APM19-GEVB_MCU_BOARD_SCHEMATIC.pdf - 141 KB  0 
Eval Board: BOM SEC-EPS-12V-APM19-GEVB_POWER_BOARD Bill of Materials (ROHS Compliant) SEC-EPS-12V-APM19-GEVB_POWER_BOARD_BOM_ROHS.pdf - 277 KB  0 
Eval Board: Schematic SEC-EPS-12V-APM19-GEVB POWER BOARD Schematic SEC-EPS-12V-APM19-GEVB_POWER_BOARD_SCHEMATIC.pdf - 410 KB  0 
Reference Designs SEC-EPS-12V-APM19-GEVB: Electronic Power Steering (EPS) with APM19 Reference Design TND6376/D - 4412 KB  0 
Eval Board: Gerber SEC-EPS-12V-APM19-GEVB_POWER_BOARD Gerber Layout Files (Zip Format) SEC-EPS-12V-APM19-GEVB_POWER_BOARD_GERBER - 1007 KB  0 
Eval Board: Gerber SEC-EPS-12V-APM19-GEVB_MCU_BOARD Gerber Layout Files (Zip Format) SEC-EPS-12V-APM19-GEVB_MCU_BOARD_GERBER - 279 KB  0 
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