S32M243CCABWKHST

Microcontrollers Overview

The S32M243CCABWKHST is a System in Package (SiP) microcontroller from the NXP S32M2 family, designed for automotive motor control applications. It integrates an Arm Cortex-M4 processor with Floating Point Unit (FPU) operating at 80 MHz, paired with 256 kB of Flash memory and 32 kB of SRAM. The device features CSEC hardware security and supports Grade 0 temperature operation (-40°C to +150°C). Key integrated components include a 12V voltage regulator, a MOSFET Gate Driver Unit (GDU) for up to six external power MOSFETs, and a CAN FD physical interface.

Microcontrollers Feature Summary

• Integrates a 12V voltage regulator allowing direct connection to reverse-battery protected car battery supplies.
• Includes a dedicated MOSFET Gate Driver Unit (GDU) supporting three-phase BLDC or PMSM motor drive applications.
• Features built-in CAN FD physical interface for direct bus communication without external PHY components.
• Provides ISO 26262 ASIL-B functional safety compliance supported by hardware security options.

Microcontrollers Applications

• Single Brushless DC (BLDC) motor control
• Permanent Magnet Synchronous Motor (PMSM) drive systems
• Up to three Brushed DC motor control units

Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current data sheet to confirm the exact package type, temperature grade, and software configuration included. Ensure the selected variant matches the required physical interface option (CAN FD vs LIN/CXPI) as these are distinct part numbers within the same family. Cross-reference the fab/mask revision to ensure compatibility with existing design files.

Microcontrollers Selection Notes

Select this component when designing compact motor control solutions that require high-voltage integration and reduced board space. The S32M243 offers a balance of processing power and integrated analog features suitable for single-motor applications. Consider the W-temperature grade if the application environment demands extended thermal performance beyond standard automotive limits.

Microcontrollers Part Context

This device belongs to the S32M2xx family, which combines general-purpose MCU capabilities with specialized high-voltage analog features. It shares architectural similarities with the S32K series but adds integrated regulators and gate drivers. The S32M24x sub-family specifically targets cost-effective, system-level integration for motor control, reducing the overall component count compared to discrete solutions.

Microcontrollers Replacement Considerations

S32M244CCABWKHST: Offers increased Flash memory capacity while maintaining identical core, package, and temperature specifications.

Microcontrollers FAQ

What is the maximum junction temperature for the S32M243?

The maximum junction temperature for the S32M243 MCU is 170°C, while the Application Extension (AE) subsystem has a maximum junction temperature of 175°C.

Does the S32M243 support external watchdog monitoring?

Yes, the device includes one external watchdog monitor in addition to the internal software watchdog.