PAC5524AQFSR

Application Specific Microcontrollers Overview

The PAC5524AQFSR is a 70V Power Application Controller (PAC) from Qorvo, designed for high-speed brushless DC (BLDC) motor control applications. It integrates a 150MHz Arm Cortex-M4F 32-bit microcontroller with 128kB flash and 32kB SRAM. The device features a Multi-Mode Power Manager supporting buck or SEPIC topologies, a Configurable Analog Front-End with programmable gain amplifiers, and an Application-Specific Power Driver with three low-side and three high-side gate drivers capable of 1.5A drive current. It operates within a -40°C to +125°C temperature range and is housed in a compact 8mm x 8mm 64-pin QFN package.

Application Specific Microcontrollers Feature Summary

• Integrated 150MHz Arm Cortex-M4F MCU with 128kB Flash and 32kB SRAM
• Multi-Mode Power Manager supporting Buck and SEPIC converters up to 20V direct input
• Three low-side and three high-side gate drivers with 1.5A capability and hardware dead-time
• Configurable Analog Front-End with differential and single-ended programmable gain amplifiers

Application Specific Microcontrollers Applications

• Compact battery-powered BLDC motor applications
• High-speed BLDC motor control systems
• Expanded I/O motor control solutions

Application Specific Microcontrollers Procurement Notes

Verify the specific suffix 'QS' or 'AQFSR' against official Qorvo documentation to confirm exact packaging, temperature grade, and tape-and-reel specifications. Confirm availability status with authorized distributors as supply conditions may vary by region.

Application Specific Microcontrollers Selection Notes

Select this component when a high pin count solution is required for BLDC motor drives. Ensure the design utilizes the integrated power management and analog front-end capabilities to minimize external component count. Verify that the 70V rating and 1.5A gate drive current meet the specific motor load requirements.

Application Specific Microcontrollers Part Context

The PAC5524 belongs to the Qorvo PAC55xx series of Power Application Controllers. It serves as a system-on-chip solution integrating digital control, power management, and motor driving stages. This series targets industrial and consumer applications requiring efficient, compact motor control architectures.

Application Specific Microcontrollers Replacement Considerations

Review the PAC5523 datasheet for alternative integration levels. The PAC5523 offers similar MCU and power management features but differs in package size and specific I/O configurations. Verify compatibility with existing firmware and PCB layout constraints before substitution.