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Power Integrations Introduces Software for Precise Control and Tuning of BridgeSwitch ICs in Single-Phase BLDC Motor Drives
New Motor-Expert IEC6730 Class A-ready software tackles new energy efficiency regulations for appliances

Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today released its Motor-Expert software, an embedded “C” code application, library and control GUI that enables designers using the company’s BridgeSwitch brushless DC (BLDC) motor driver ICs to precisely control and tune single-phase motors. BLDC motors are widely used in modern, high-efficiency appliances such as compressors, fans and water pumps in domestic appliances, and for ceiling fans and room air conditioning systems.

BLDC motors frequently use three windings (phases) requiring six high-voltage IGBTs or MOSFETs to operate. Motor-Expert software supports the cost-effective single-phase motor architecture, slashing the number of high-voltage devices, associated costs, system complexity and inventory burden. It supports both sensor and sensorless operation, providing developers with additional system cost-reduction options and is transportable to many commonly embedded microcontrollers.

Cristian Ionescu-Catrina senior marketing manager said: “BLDC motors are experiencing exponential growth in home appliances and other markets due to new energy efficiency regulations. The BridgeSwitch Motor-Expert software reduces the cost and complexity of BLDC drives. The new software comes with ready-to-use application examples for constant-speed and constant-torque operation, all of which are IEC6730 Class A-ready. Power Integrations created Motor-Expert with the design engineer in mind – it can radically streamline the design process and reduce time to market.”

Motor tuning is performed through the Motor-Expert user interface with new control loop coefficients being updated in real time without having to recompile code. The interface also enables users to visualize system operation, displaying the status of data including current, speed, status, current error, and speed error. A diagnostics field within the software interface provides insight into inverter and motor operation.

The Motor-Expert software features accurate speed and current control loop functions. The modularity and flexibility of the API-based software architecture enables new use cases and functions to be added and allows users to port the software to their favorite microcontroller or combine with other code in a system CPU. The software meets static (MISRA) and dynamic performance profiling covering latency, jitter and execution time. It requires only 14 kB code memory and 5 kB SRAM, suiting it to microcontrollers with small memory capabilities. The BridgeSwitch motor drive IC can pair with 3 V and 5 V MCUs and removes the need for an external shunt resistor.

The BridgeSwitch integrated half-bridge IC family dramatically simplifies the development and production of high-voltage, inverter-driven single- or multi-phase PM and BLDC motor drives. The superior efficiency and distributed thermal footprint architecture of BridgeSwitch motor drives eliminates the need for a heatsink, reducing system cost and weight. Built-in hardware motor overcurrent protection enhances safety and reliability, and simplifies IEC 60335-01 and IEC 60730-01 certification, significantly reducing time-to-market.

The Motor-Expert GUI operation, software manual and hardware documentation for the BridgeSwitch BLDC motor-drive family of ICs is available from the Power Integrations website at: https://www.power.com/bridgeswitch.

2021050903 / 18.05.2021 / Various / Power Integrations /

Automotive-Qualified Qspeed Silicon Diodes Feature Lowest Qrr for Efficient, High-Switching-Speed Designs
600 V 12 A diodes can replace SiC parts in automotive applications

Power Integrations Incorporates Lossless Zero-Cross Detection and X-Capacitor Discharge into New LinkSwitch-TNZ Offline Switcher ICs
LinkSwitch-TNZ compact switcher reduces component count, addresses smart home and appliance applications

Power Integrations Introduces InnoSwitch4-CZ Flyback Switcher ICs for a New Class of Mobile Charging Devices
Anker selects zero voltage switching InnoSwitch4-CZ ICs with PowiGaN technology for new ultra-compact 30, 45 & 65 W USB-C Nano II charger series

Power Integrations Introduces Software for Precise Control and Tuning of BridgeSwitch ICs in Single-Phase BLDC Motor Drives
New Motor-Expert IEC6730 Class A-ready software tackles new energy efficiency regulations for appliances

Power Integrations’ Compact, Robust SCALE-2 Plug-and-Play Gate Driver Targets Railway Applications
SCALE-2 solutions support 130 x 140 mm IGBT high-power modules from all major manufacturers

Power Integrations Supports Electric Vehicle Designs with New AEC-Q100 Certified 900 V InnoSwitch3-AQ Flyback Switcher ICs
InnoSwitch3-AQ ICs are up to 90% efficient with low 15 mW no-load power consumptionand increased voltage margin for 400 V and 800 V batteries

Power Integrations’ HiperPFS-4 Power Factor Correction IC Delivers 98% Full-Load Efficiency
Integration of Qspeed boost diode results in simplest active PFC solution; targets PC and TV power supply applications

Uprated LinkSwitch AC-DC Converter ICs From Power Integrations Increase Available Current by 60%
High-efficiency LNK3207 ICs reduce BOM count and simplify buck converter design for appliances, sensors and metering applications

Power Integrations’ New MinE-CAP IC Reduces Volume of AC-DC Converters by Up to 40%
Novel MinE-CAP device dramatically reduces the input bulk capacitor size, reduces in-rush current by up to 95%, eliminates NTC thermistors and associated losses

Power Integrations Demonstrates Continued Industry Leadership as InnoSwitch IC Sales Surpass One Billion Units
Newest GaN-based devices provide up to 100 W of power and support applications from USB PD adapters to auxiliary power supplies for appliances

Power Integrations Targets Compact Smart-Lighting Designs With Highly Efficient GaN-Powered LYTSwitch-6 LED Drivers
Enables dimmable 90 W LED ballasts in an isolated flyback topology following a boost Power Factor Correction (PFC) stage

Power Integrations Releases Highly Integrated InnoSwitch3 Flyback Switcher IC for Automotive BEV and PHEV Applications
InnoSwitch3-AQ achieves Q100; operates efficiently from 30 V to 550 V DC input

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