The RT7054 is one of Richtek's sIPM® family, which are designed for advanced motor drive applications. This ASIC consists of a PMSM/BLDC controller, LDOs, the gate driver, bootstrap diodes and MOSFETs. It optimizes these devices specifically designed for PMSM/BLDC motor applications so as to provide great benefits to users with cost-effectiveness, easy design, board space saving and high reliability.

The RT7054 is available in a VQFN-34L 10.5x17 package.


  • PMSM/BLDC Motor
  • Ceiling Fan
  • Air Conditioner Indoor/Outdoor Fan
  • Pump
Key Spec.
Status Active
Drain to Source Breakdown Voltage, BVDSS (V) 600
Driver Supply Voltage, Min (V) 10.8
Driver Supply Voltage, Max (V) 16.5
Features SCP
Package Type VQFN10.5x17-34
  • Integrated 3-Phase PMSM/BLDC Controller, LDOs, Gate Driver and Bootstrap Diodes and MOSFETs
  • Sensorless and Sinewave Field Oriented Control
  • Optimized Switching Loss and EMI Trade-Offs
  • Built-In Short Circuit, Under-Voltage-Lockout (UVLO) and Locked-Rotor Protection
  • Temperature Sensor Embedded
  • Motor Controller
    ► ARM 32-bit Cortex-M0 CPU, Frequency up to 60MHz
    ► Memories Size 16KB MTP, Internal ROM with Embedded Motor Control Library and 4KB SRAM
    ► Deep Sleep Mode for Power Saving
    ► I2C and UART Communication Interface
    ► 7-Channel 10-bit ADC
        ♦ AD0 to AD5 are used for Differential Mode Current Sense
        ♦ AD6 to AD9 are used for System Application
    ► 1-Channel Type 8-bit DAC for Debugging
  • Gate Driver
    ► Built-In UVLO Function
    ► Shoot Through Prevention
    ► Matched Propagation Delay
    ► Low On-Resistance
    ► Low Reverse Recovery Charge
  • RT7054A1MGQV and RT7054B1MGQV with Firmware Code UXYY1 Certified by UL for IEC 60730-1 Class B Compliance with Recognized Marking :
  • UL Certified No. E478780 (UL 60730-1)
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System Integrated Power Module (sIPM®) for PMSM/BLDC Motor Drive2022/06/06