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Qorvo – PAC5556


Product Features

  • Fully Programmable 32-bit MCU
  • Integrated 600V DC/DC N-CH Buck Controller
  • Integrated 600V Gate Drivers (250mA/500mA)
  • Integrated PGA (3 Differential, 4 Single-ended)
  • Integrated DACs and Comparators
  • UART, SPI, I2C and CAN Serial Interfaces
  • Extremely Low-Power Total Hibernate Mode
  • Minimal external component count
  • 10x10mm, 52-pin QFN

The PAC5556 belongs to Active-Semi’s Power Application Controller® (PAC®) family. The PAC® family of products are highly-optimized SOC devices that can implement BLDC or PMSM programmable motor controller and driver in a single integrated IC. The PAC5556 integrates a FLASH-based high-performance MCU, Power Management, High-side and Low-side Gate Drivers and Signal-Conditioning components in a single product.

The PAC5556 is optimized for AC-Powered BLDC or PMSM motor control applications such as AC-powered fans, white goods or compressors. The PAC5556 also includes optimized hardware support and software libraries for the IEC/UL 60730 Class B Safety standard.

The PAC5556 contains a 150MHz Arm® Cortex®-M4F with 128kB of FLASH that can be used to implement high-performance motor control and supervisory applications. The MCU also contains motor control peripherals such as 12-bit 2.5 MSPS dual auto-sequencer ADC, PWM timers with hardware dead-time insertion, etc. The PAC5556 contains an integrated N-CH Buck DC/DC controller, a  5V/200mA converter and multiple LDOs for system and power management components for he IC and other PCB system power supplies. The Application-Specific Power Drivers™ provide integrated gate drivers for use with an external inverter. The Configurable Analog Front-End™ (CAFE) provides signal-chain components such as differential and single-end amplifiers, comparators and DACs.

Advantages of our Intelligent Motor Control

High-Performance, high-memory programmable 32-bit MCU Allows implementation of high-performance advanced control algorithms such as Field Oriented Control (FOC), Sensorless BEMF, Sensored BLDC and serial communications protocols
Integrated Power Management Removes the need for an external DC/DC Controller. Provides 5V/200mA system supply for additional PCB peripherals. Integrates all power rails for MCU, FLASH, Analog and gate drivers
Integrated Gate Drivers 3 600V 250mA/500mA integrated high-side and 3 1A integrated low-side gate drivers for 3-phase inverters
Integrated Signal Chain Allows integrated current, voltage and temperature sensing and protection using integrated Differential and Single-ended Programmable-Gain Amplifiers, comparators and DACs. Cycle-by-cycle current limit without MCU intervention
Lowest Standby Power 18 µA Iq for standby-mode
IEC/UL60730 Class B Optimization Allows implementation of the IEC/UL60730 Class B standard without additional system cost for PCB component


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