PAC5223QMST

Application Specific Microcontrollers Overview

The PAC5223QMST is a Qorvo Power Application Controller designed for 72V Brushless DC (BLDC) motor control applications. It integrates a 150MHz ARM Cortex-M4F microcontroller, multi-mode power management, and configurable analog front-end with application-specific drivers. The device supports a supply voltage range from 5.2V to 70V maximum, operates within a temperature range of -40°C to +105°C, and utilizes a TQFN-48 surface-mount package. It delivers an output current of 1A and features a low operating supply current of 300µA.

Application Specific Microcontrollers Feature Summary

• Integrates a high-performance 150MHz ARM Cortex-M4F microcontroller kernel for advanced motor control logic
• Combines multi-mode power management with configurable analog front-end and dedicated power drivers in a single system-on-chip
• Optimized for high-speed BLDC motor control with integrated half-bridge driver capabilities

Application Specific Microcontrollers Applications

• High-speed brushless DC motor control systems
• Industrial motion control applications
• Automotive ignition and motor driver circuits

Application Specific Microcontrollers Procurement Notes

Verify the specific suffix 'QMST' against the manufacturer's official datasheet to confirm pinout, thermal pad configuration, and tape-and-reel specifications. Ensure the ordering part number matches the required package variant and quality grade. Cross-reference the component marking code with the latest revision history to avoid receiving obsolete or non-compliant versions during procurement.

Application Specific Microcontrollers Selection Notes

Select this component when a combined MCU and power driver solution is required for 72V BLDC motors. Consider the 1A output current capability and 300µA standby current for efficiency requirements. Evaluate the TQFN-48 package constraints for thermal dissipation and PCB layout space. Confirm compatibility with the 5.2V to 70V input voltage range for the target power supply architecture.

Application Specific Microcontrollers Part Context

The PAC5223 series belongs to Qorvo's Power Application Controller family, which consolidates microcontroller, power management, and driver functions into a single SoC. This integration reduces bill-of-materials count and board complexity compared to discrete solutions. The PAC5223 specifically targets higher voltage BLDC applications, distinguishing it from lower-voltage variants in the same product line.

Application Specific Microcontrollers Replacement Considerations

The PAC5223QM is listed as a related variant. Verify if the 'QM' suffix denotes a different packaging type or quality grade compared to 'QMST'. Consult the official substitution guide to ensure electrical pinouts and thermal characteristics are compatible before swapping components.