Motor Drive Solution

Application

Description

Complete BLDC motor drive solution using BridgeSwitch for high-efficiency, reliable motor control in appliances and industrial applications.

Core Advantages

High Integration Integrated gate drivers and protection reduce BOM by 50%
High Efficiency >95% motor drive efficiency reduces power consumption
Reliable Operation Built-in protection features ensure safe motor operation
Easy Design Simple interface to microcontroller, no external drivers needed

Recommended Bill of Materials (BOM)

Item Part Number Description Quantity Datasheet
1 BRD1265C BridgeSwitch half-bridge drivers 3 📄 Download

Applications

Washing Machines
Refrigerator Compressors
HVAC Blowers
Industrial Fans
Pumps

Technical Specifications

Input Voltage
100-277V AC
Motor Power
Up to 300W
Efficiency
>95%
Operating Temperature
-40°C to +85°C
Protection
OCP, OTP, UVLO, Shoot-through

Customer Success Stories

Appliance Manufacturer

Home Appliances | Washing Machine Motor Drive

Challenge

Design reliable, efficient motor drive with minimal external components

Solution

Used BRD1265C BridgeSwitch for integrated motor drive solution

Results

Achieved 96% efficiency, 40% BOM reduction, passed all safety certifications

FAE Expert Insights

D

David Wang

Senior FAE - Motor Control

12 years

Professional Insights

Key design considerations for BridgeSwitch motor drives: 1) Current sensing - use integrated sensing or external shunt, 2) Bootstrap supply - ensure adequate high-side supply, 3) Protection coordination - integrate with system-level protection, 4) Thermal design - adequate heatsinking for continuous operation, 5) EMI filtering - proper filtering for conducted emissions. The integrated protection features simplify safety compliance.

Key Takeaways

  • High integration reduces design complexity
  • Built-in protection improves reliability
  • Simple interface enables fast development

Decision Framework

Decision Framework
Steps:
  1. Evaluate requirements
  2. Compare solutions
  3. Consult FAE

Ready to Implement This Solution?

Contact our FAE team for design support and quotes

Contact Us Now

Frequently Asked Questions

What motor types are supported by the Motor Drive Solution?

The Motor Drive Solution supports BLDC (Brushless DC) and PMSM (Permanent Magnet Synchronous Motor) types. Both sensorless and sensored control methods are supported. The BridgeSwitch ICs provide the power stage, while the control algorithm runs on an external microcontroller. Sensorless FOC (Field Oriented Control) and trapezoidal commutation are commonly used control methods.

Contact our FAE team for motor type selection and control algorithm recommendations.