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The PAC5556AQXSR is a high-performance brushless DC motor controller and driver manufactured by Qorvo. It integrates a Cortex-M4F microcontroller unit with power management, half-bridge gate drivers, and an analog front end on a single chip. The device supports input voltages up to 600 V and delivers an output current of 1 A. It operates within a temperature range of -40 °C to +125 °C and is housed in a QFN-52 surface-mount package.
Verify the specific suffix 'AQXSR' against the official Qorvo datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with the target PCB footprint for the QFN-52 package. Confirm moisture sensitivity level requirements during storage and handling procedures prior to assembly.
Select this component when a system requires a highly integrated solution combining digital control logic with high-voltage analog driving capabilities. The integration of the Cortex-M4F core reduces external component count compared to discrete MCU and driver combinations. Evaluate thermal performance requirements given the 1 A output capability and the operating temperature range limits.
This part belongs to the Qorvo PAC55xx series of intelligent motor controllers. These devices are designed as System-on-Chip solutions that merge digital processing with power electronics. The series targets applications requiring precise motor control in harsh electrical environments, leveraging silicon carbide or similar high-voltage technologies for efficiency.
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Qorvo technical support for validated alternatives if this specific variant is unavailable.