Power Integrations BridgeSwitch™ Series
The Power Integrations BridgeSwitch™ family of integrated half-bridge motor driver ICs provides highly efficient and reliable solutions for high-voltage BLDC motor applications. These devices combine two high-voltage N-channel power MOSFETs with advanced half-bridge gate drivers and comprehensive system-level protection features into a single, compact package.
BridgeSwitch ICs are designed to simplify the design of motor control systems, offering features such as sensorless control, advanced current sensing, and robust fault protection. They are ideal for a wide range of applications including home appliances (e.g., refrigerators, washing machines, fans), industrial pumps, and other systems requiring precise and energy-efficient BLDC motor operation. LiTong Group, as an authorized PI distributor, provides comprehensive support for selecting and implementing BridgeSwitch solutions.
The BridgeSwitch series stands out for its exceptional efficiency, which minimizes heat dissipation and reduces the need for bulky heatsinks, enabling compact and cost-effective motor drive designs. Its integrated features reduce external component count, leading to smaller, more reliable, and energy-efficient motor control systems that meet stringent global energy efficiency standards.
LiTong FAE Review: "BridgeSwitch is a game-changer for BLDC motor control in appliances. The level of integration is incredible, simplifying the design of variable-speed motors significantly. Our customers love how it reduces component count, improves efficiency, and provides robust protection, all in a compact footprint. It's a key enabler for next-generation energy-efficient appliances."
BridgeSwitch™ Series Product Model Table
| Model | Series | Motor Power (W) | Voltage (V) | Package | Key Features | Datasheet |
|---|---|---|---|---|---|---|
| BRD1161C | BridgeSwitch | Up to 50W | 85-265VAC | InSOP-24C | Integrated Half-Bridge, Sensorless Control, High Efficiency | Download |
| BRD1261C | BridgeSwitch | Up to 100W | 85-265VAC | InSOP-24C | Integrated Half-Bridge, Sensorless Control, High Efficiency | Download |
| BRD1461C | BridgeSwitch | Up to 200W | 85-265VAC | InSOP-24C | Integrated Half-Bridge, Sensorless Control, High Efficiency | Download |
Alternative & Matching Part Numbers
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BridgeSwitch™ Series FAQs
Q: What types of motors can BridgeSwitch control?
A: BridgeSwitch is primarily designed for controlling high-voltage Brushless DC (BLDC) motors, which are commonly found in home appliances and other variable-speed motor applications.
Q: Does BridgeSwitch support sensorless motor control?
A: Yes, BridgeSwitch devices incorporate features that enable sensorless motor control, eliminating the need for Hall-effect sensors and further simplifying the motor drive system design.
Q: How does BridgeSwitch contribute to energy efficiency in appliances?
A: By integrating highly efficient power MOSFETs and advanced control algorithms, BridgeSwitch minimizes power losses in motor drive systems, leading to significant energy savings in appliances and helping them meet stringent energy efficiency regulations.