BD6736FV-E2 Integrated Circuits (ICs)

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The BD6736FV-E2 integrated circuit is a highly integrated motor driver dedicated to brushless DC motors, and is categorized under Power Management IC (PMIC) Motor Drivers, Controllers. Manufactured by ROHM Co. Ltd., the device integrates advanced motor control with many protections, allowing the motor to be used in various applications.

It contains a 3-phase motor drive circuit, and a current limiter with an external current sensing resistor, allowing time setting. The device features various built-in protection circuits, including an overcurrent protection circuit, and a thermal shutdown circuit. It is designed to control brushless DC motors with a 3-phase full-wave current drive method, which yields higher efficiency, higher speed-stability, and lower vibration. The BD6736FV-E2 offers fast start-up and shutdown, with a maximum operating frequency of 34 kHz.

The working principle of the device starts with the input signals from the microcontroller. It has two control outputs, one for forward rotation and another for reverse rotation, which allow for a variety of control sequences. The built-in driver also has two inputs for speed control and two for acceleration/deceleration. This allows for precise control of motor speed and torque. The motor drive circuit monitors motor current and sends feedback signals to the microcontroller.

Additionally, the BD6736FV-E2 features three types of overcurrent protection. It has an undervoltage lockout (UVLO) detector with hysteresis to limit defects due to insufficient power supply voltage. It also has a current limit protection circuit to limit current and protect the system, and a thermal shutdown protection circuit to protect against unsafe temperatures. All of these features enable stable, reliable operation in various applications.

The BD6736FV-E2 is suitable for use in applications that require a precise control of motor speed and torque, such as water dispensers and pumps, electric vacuum cleaners, 3D printers, and medical care equipment. Furthermore, its reduced package size makes it ideal for space-constrained applications.

In conclusion, the BD6736FV-E2 is an advanced motor driver designed specifically for 3-phase brushless DC motors. It features many protections, enabling stable and reliable operation in various motor applications. It has a 3-phase motor drive circuit, current limiter with time setting, and various built-in protection circuits. With its fast start-up and shutdown, and reduced package size, the device is suitable for applications in a wide range of industries.

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