S12ZVM 3-Phase Electrical Water Pump (EWP) Reference Design

S12ZVM-EWP-PMSM

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The S12ZVM-EWP is a reference design board engineered for 3-phase permanent magnet synchronous motor (PMSM) water pump with sensorless FOC dual shunt control applications.

Based on the 16-bit S12 MagniV® S12ZVM mixed-signal microcontrollers, the S12ZVM-EWP provides A-sample PMSM electrical water pump ECU hardware and software to accelerate water pump product development and production.

Go to market faster with NXP water pump solutions - Fact Sheet

Block Diagram

3-Phase Water Pump

S12ZVM-EWP-PMSM-BD Block Diagram
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Supported Devices

Processors and Microcontrollers

S12 MagniV Mixed-Signal MCUs

  • S12ZVM: S12ZVM Mixed-Signal MCU for Automotive and Industrial Motor Control Applications

Features

Functional

  • PMSM sensorless FOC algorithm supported
  • Software for over current, stall detection, under voltage, over voltage, over temperature protection
  • Speed control using PWM duty cycle and FreeMASTER
  • Fault clear and restart auto-mode if related macro enabled

Interfaces

  • PWM and LIN function integrated in one wire
  • BDM and SCI integrated in one plug: Four layers PCB with one layer components mounted

Power

  • 12 V system application, supply voltage range from 9 V to 18 V
  • 7 A input current, up to 80 W input power
  • Dual shunt current sampling
  • Hardware overvoltage, undervoltage, overcurrent, and short protection

Documentation

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Design Resources

Design Files

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2 design files

Software

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4 software files

Note: For better experience, software downloads are recommended on desktop.

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