A 12V EPS reference design board featuring APM19

Overview

SEC-EPS-12V-APM19-GEVB 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.

  • • Electronic Power Steering (EPS)
  • • 3-phase inverter for automotive BLDC motor control
  • • 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

Evaluation/Development Tools

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Technical Documentation

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SEC-EPS-12V-APM19-GEVB_POWER_BOARD_SCHEMATIC.pdf

0

Eval Board: Schematic

419.84 KB

EN

Eval Board: Schematic

June 07, 2022

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SEC-EPS-12V-APM19-GEVB_MCU_BOARD_GERBER

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Eval Board: Gerber

285.7 KB

EN

Eval Board: Gerber

June 09, 2022

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Reference Designs

June 01, 2022

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SEC-EPS-12V-APM19-GEVB_POWER_BOARD_GERBER

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Eval Board: Gerber

1.03 MB

EN

Eval Board: Gerber

June 09, 2022

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SEC-EPS-12V-APM19-GEVB_MCU_BOARD_SCHEMATIC.pdf

0

Eval Board: Schematic

144.38 KB

EN

Eval Board: Schematic

June 07, 2022

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SEC-EPS-12V-APM19-GEVB_POWER_BOARD_BOM_ROHS.pdf

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Eval Board: BOM

283.65 KB

EN

Eval Board: BOM

June 07, 2022

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SEC-EPS-12V-APM19-GEVB_MCU_BOARD_BOM_ROHS.pdf

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Eval Board: BOM

281.6 KB

EN

Eval Board: BOM

June 07, 2022

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