The S12ZVM Motor EVB is an evaluation kit built around the S12MagniV family of highly integrated 16-bit MCUs, targeting 2-phase DC and 3-phase BLDC or PMSM motor control applications. It is well suited to prototyping and demonstration for general automotive and high-reliability industrial applications.
Key Points
- Highly integrated motor control chip that reduces PCB area and component count
- Supports conventional six-step commutation control
- Supports field-oriented control (FOC) with single- or dual-shunt sampling
- Board delivers up to 500W of output power
- Hardware and software protection for overvoltage/undervoltage, overcurrent, overtemperature, stall, no-load and MOSFET fault detection
Recommended MCU
- S12ZVM series MCU
- S32K series (alternative)
- KEA series (alternative)
Core Components
- Main MCU: S912ZVML12F1WKH (NXP)
- CAN transceiver: NXP, full part number available on request
- MOSFET: Nexperia, full part number available on request
Applications
Automotive applications such as HVAC blowers, engine cooling fans, wiper systems, fuel pumps and water pumps
Reference Design S12ZVM_Motor_EVB Rev.B
- Supports FOC control based on single- or dual-shunt sampling
- Supports sensorless trapezoidal (square-wave) control
- Supports brushed DC motor control
- MOSFET short-circuit protection
- DC bus overvoltage/undervoltage protection and overcurrent protection
- Reserved CAN/LIN/UART interfaces for easy debugging and testing
- New square-wave startup algorithm that shortens startup time for high-inertia motors
- New square-wave high-speed algorithm that raises maximum motor speed
- Built-in tailwind/headwind (windmilling) startup algorithm, allowing the motor to operate in harsh environments
- Improved FOC startup control algorithm for fast motor startup
- New FOC high-speed algorithm that raises maximum motor speed
- Complete hardware design documentation and hardware design guide
- Complete software design documentation and software algorithm guide
Functional Block Diagram
