Renesas Programmable Smart Gate Driver for BLDC Motor Applications Drives Multiple Configurations; Integrates Analog Power Components to Reduce BOM Cost and Board Space

The RAA227063 Pairs with a Variety of MCUs to Deliver Efficient, Flexible Motor Control in a Smaller Footprint; New Winning Combo Showcases the Device with Renesas’ New RA6T2 MCU

TOKYO — (BUSINESS WIRE) — December 8, 2021 — Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today introduced the RAA227063 Smart Gate Driver for brushless DC (BLDC) motor applications. The new device is programmable via an SPI interface, enabling it to support both motors with rotor position sensors and sensorless applications. It also provides programmable gate drive voltage, offering support for N-channel MOSFETs typically used in motor inverter designs, as well as GaN FETs used where high power density is required. The RAA227063 is scalable to support multiple MCUs, including a wide range of Renesas offerings.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20211208005375/en/

(Graphic: Business Wire)

(Graphic: Business Wire)

In addition to its unique flexibility, the RAA227063 three-phase FET driver is highly integrated. It includes a 500 mA buck-boost converter that powers low-voltage logic directly from the battery pack with better power efficiency (90%) compared to traditional LDOs (40%). It also includes a 200 mA LDO regulator that can power both an MCU and additional analog peripherals. Three integrated current sense amplifiers with programmable gain enable easy programming for multiple shunt configurations. This high level of integration simplifies design, cuts overall BOM cost, and reduces board space requirements by 30 percent or more.

“Motor control customers around the world have asked us for flexible solutions that enable fast design cycles and high integration to reduce cost and space,” said Davin Lee, Vice President of the Industrial Analog Division in Renesas’ IoT and Infrastructure Business Unit. “The RAA227063 delivers all of these features and complements our industry-leading MCU portfolio.”

Key Features of the RAA227063 Smart Gate Driver

  • High integration simplifies inverter design, allows the ability to scale MCUs
  • Programmable gate drive voltage drives both N-MOSFETS and GaN FETs
  • Supports trapezoidal, 150° drive and vector motor control algorithms
  • Back electromotive force (BEMF) sensing simplifies sensor-less control
  • Programmable via SPI to support BLDC motors with rotor position sensors such as hall sensors or encoders
  • Programmable up to three-phase current sensing
  • Scalable to support multiple MCUs
  • Extensive fault protection functions protect inverter from catastrophic failure and provides fault warnings for easy troubleshooting
  • Adaptive dead time minimizes switching power losses
  • Sample and hold allows use of general purpose MCUs with at least three ADCs and three timers to drive BLDC motors

Winning Combinations

Renesas has combined the RAA227063 with complementary components that work together seamlessly to create Winning Combinations for motor control solutions. An example of one of these Winning Combinations is the BLDC Traction Motor Drive design that also includes Renesas’ new RA6T2 MCU optimized for motor control applications. Renesas offers more than 250 Winning Combinations with compatible devices for a wide range of applications and end products. They can be found at renesas.com/win.

Availability

The RAA227063 is available today in a 7mm x 7mm 48-pin QFN package. Renesas is also offering the RTKA227063 evaluation kit that includes a 500W inverter that can use multiple CPU cards. More details can be found at renesas.com/RAA227063.

About Renesas Electronics Corporation

Renesas Electronics Corporation ( TSE: 6723) delivers trusted embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices to enhance the way people work and live. A global leader in microcontrollers, analog, power, and SoC products, Renesas provides comprehensive solutions for a broad range of automotive, industrial, Infrastructure, and IoT applications that help shape a limitless future. Learn more at renesas.com. Follow us on LinkedIn, Facebook, Twitter, and YouTube, and Instagram.

(Remarks). All names of products or services mentioned in this press release are trademarks or registered trademarks of their respective owners.



Contact:

Americas
Don Parkman
Renesas Electronics Corporation
+ 1-408-887-4308
don.parkman.xh@renesas.com




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