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Microchip Launches AVR® EB Family of Microcontrollers to Reduce Noise, Vibration and System Harshness in BLDC Applications
Offers a smaller, more cost-effective solution for sophisticated waveform control with increased efficiency

As electronic devices evolve, more motors are being utilized across consumer, automotive and industrial markets. Many designers select Brushless DC (BLDC) motors to increase device longevity and lessen Noise, Vibration and Harshness (NVH). Historically, achieving these benefits required sophisticated control algorithms and waveforms that were outside the capability of cost-optimized controllers. Microchip Technology (Nasdaq: MCHP) has launched its AVR® EB family of microcontrollers (MCUs) to offer a solution for addressing NVH and efficiency in a wide variety of cost-sensitive applications.

AVR EB MCUs can adjust speed, timing and waveform shape—creating sinusoidal and trapezoidal waveforms—to improve the smoothness of motor operations, reduce noise and increase efficiency at high speeds. These adjustments can be made on the fly, with near-zero latency, using the AVR EB MCU’s unique set of on-chip peripherals that enable multiple functions with minimal programming. The result is a reduction in code complexity, faster response to changes in operating conditions and lower overall Bill of Materials (BOM) cost since several tasks, such as reading environmental sensors and serial communication, can be performed independent of the CPU. Additionally, the devices’ small form factor (as small as 3 mm x 3 mm) enables them to be mounted directly to the motor for a compact control solution.

“Many of the problems observed in a wide range of devices, from automotive seat motors to cooling fans in data servers, are caused by a low-quality, low-cost controller that can’t reliably reduce vibration and smooth motor function,” said Greg Robinson, corporate vice president of Microchip’s 8-bit MCU business unit. “The AVR EB family of MCUs can increase system smoothness and energy efficiency, without resorting to a higher-cost control solution.”

AVR EB MCU key features include:

  • New 16-bit Timer/Counter E (TCE) with four compare channels for Pulse-Width Modulation (PWM) and Waveform Extension (WEX) for smooth BLDC motor control with tunable dead band insertion

  • New 24-bit Timer/Counter F (TCF) for flexible and accurate frequency generation and timing

  • New Programming and Debug Interface Disable for advanced code security

The new MCUs also retain the ease of use and ease of design that Microchip is known for, enabling a more rapid time-to-market.

Development Tools
The AVR EB family of MCUs is fully supported in Microchip’s MPLAB® Development Ecosystem and is being introduced with a new Curiosity Nano Development Board to support rapid prototyping. The AVR16EB32 Curiosity Nano Evaluation Kit (EV73J36A) connects seamlessly to MPLAB X, Microchip Studio and IAR Embedded Workbench Integrated Development Environments (IDEs). MPLAB Code Configurator (MCC) Melody—an intuitive, web-based graphical configuration tool—can also help reduce development time.

Pricing and Availability

For additional information and to purchase, contact a Microchip sales representative, authorized worldwide distributor or visit Microchip’s Purchasing and Client Services website, www.microchipdirect.com.

2024011801 / 18.01.2024 / Electronic-components / Microchip Technology Inc. /

Introducing the TimeProvider® XT Extension System for Migrating to a Modern Synchronization and Timing Systems Architecture
Accessory device to Microchip’s TimeProvider 4100 grandmaster scales up to 200 fully redundant T1, E1 or CC synchronization outputs

Microchip Adds 12 Products to its Wireless Portfolio to Further Reduce Barriers to Bluetooth® Integration for Designers at Every Skill Level
Company’s portfolio additions join the only Bluetooth Low Energy offering of its kind spanning modules, System-on-Chip (SoC) products and plug-and-play options

TimeProvider® 4100 Grandmaster Version 2.4 Firmware Offers Embedded BlueSky™ Firewall Technology to Detect Security Threats
Adds IEEE® 1588 standard profiles to meet power and 5G private network synchronization requirements

Microchip Expands its Radiation-Tolerant Microcontroller Portfolio with the 32-bit SAMD21RT Arm® Cortex®-M0+ Based MCU for the Aerospace and Defense Market
The SAMD21RT MCU is offered in 64-pin ceramic and plastic packages with a 10 mm × 10 mm footprint

Radiation-Tolerant DC-DC 50-Watt Power Converters Provide High-Reliability Solution for New Space Applications
The LE50-28 power converters are available in nine variants with single- and triple-outputs for optimal design configurability

Radiation-Tolerant PolarFire® SoC FPGAs Offer Low Power, Zero Configuration Upsets, RISC-V® Architecture for Space Applications
Along with Microchip’s Mi-V ecosystem, new device family helps system designers to lower power, size and weight and speed time to market

See us at PCIM 2024 on Booth 7-640 ... Microchip Makes it Easier to Design an On-Board Charger Solution
Designers can speed time to market for their on-board charger application with key technologies from one supplier, including the control, gate drive and power stage

Easily Incorporate Embedded Security Using Microchip’s PIC32CK 32-bit Microcontrollers with Hardware Security Module
The new family of mid-range MCUs provides designers with a higher level of security and flexibility

maXTouch® Touchscreen Controller Family Expands with Additional Security Features for Touchscreen Payment Systems
Microchip’s ATMXT2952TD 2.0 family of touch controllers offer cryptographic authentication and data encryption

Integrated Actuation Power Solution Aims to Simplify Aviation Industry’s Transition to More Electric Aircraft
Microchip introduces configurable family of companion driver boards using its Hybrid Power Drive modules available in silicon carbide (SiC) or silicon (Si) technology

Microchip Brings Enhanced Code Protection and up to 15W of Power Delivery to its USB Microcontroller Portfolio
AVR® DU Family enables embedded designers to easily implement USB functionality into a wider range of systems

Microchip Technology Introduces ECC608 TrustMANAGER with Kudelski IoT keySTREAM
Cloud-based software as a service leverages secure authentication ICs to enable self-service custom PKI, streamlined in-field provisioning and lifecycle management for IoT devices

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