LB11873-MPB-E

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LB11873-MPB-E - PMIC - Motor Drivers, Controllers

The LB11873-MPB-E is a polyphase brushless DC motor driver designed for high-performance and high-accuracy motor applications, such as server cooling fans, 3-phase motor-driven machinery, and home automation systems. It is a 10-channel motor drive that is included in Panasonic’s complete motor solution and is ideal for applications that require high precision and effective motor control.

Features

• Provides 10 independent PWM control outputs
• Supports same-phase and opposite-phase wiring
• Detects motor fault automatically and stops
• Generates PWM frequency up to 2 MHz
• Integrates hall-sensor driver
• Switching frequency up to 20 MHz
• Built-in H-bridge pre-drivers
• Offers 7 control modes

Application Field

The LB11873-MPB-E is a versatile motor driver that is suitable for a wide range of applications. These include robotics, point-of-sale (POS) terminals, home appliances, vending machines, and other motor-driven products that require accurate and effective motor control.

Working Principle

The LB11873-MPB-E works with the hall-sensor signals to detect the rotor’s position and then generate the motor-driving signals according to the set motor control mode. Each output of this motor driver offers a full PWM control to ensure precise and efficient operation. The built-in circuit protection features help protect the system from overcurrent and overvoltage conditions.

The LB11873-MPB-E also provides adjustable dead-time of the PWM signals and adjustable low-side driver pre-drivers output impedance to reduce the power consumption. It supports 7 control modes, AC/DC bath-tub voltage control and full bridge commutation styles. The high speed current detection is also supported that allow motors to detect the current value in a short period of time.

Conclusion

The LB11873-MPB-E is an ideal motor driver solution for precise and efficient motor control. With its high accuracy and full PWM control, it is suitable for different motor application fields and provides a complete motor solution for various applications.

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