LB11861H-MPB-E

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PMIC - Motor Drivers, Controllers

LB11861H-MPB-E is a PMIC (Power Management IC) device which is used in power systems for motor drivers and controllers. The device is manufactured by ROHM Semiconductor ; it is a three phase, brushless DC motor driver with pre-drivers and high-side and low-side high-side MOSFETs. With its high current rating of 13.5 to 30V, the LB11861H-MPB-E is ideal for use in automotive and industrial applications requiring usages of motors.

The main feature of the device is its integrated driver MOSFETs, which provide a high current rating and very low EMF (electromotive force) while driving the motors. The device also ensures very low noise operation, as it is optimized for switching motor control applications. This allows for smooth motor operation at low speeds and also enables high efficiency regulation. In addition, the device features a self-protection circuit stop current detection, which provides protection from over-current events.

The device includes an internal analog circuit for setting the drive characteristics of the motor. This can be done by adjusting the internal parameters of the device, such as the current peak duration, the signal frequency of the output and the current limit of the drive. The device also supports external signal inputs which enable the user to precisely control the motor speed. The signal inputs can be connected directly to a microcontroller, allowing the user to create a complete control system using this device.

The outputs of the device can be controlled using Pulse Width Modulation (PWM) and digital signal processing (DSP) techniques. This ensures very precise control of the motor speed and makes it ideal for applications requiring precise motor control, such as robotics and drones. The LB11861H-MPB-E also features a low power mode, which reduces the current consumption of the device and helps conserve energy when the motor is not in use.

In addition to its motor driver and control capabilities, the LB11861H-MPB-E device also provides diagnostic information to the user. This includes temperature data, current level detection, and fault detection. By using this information, the user can ensure proper operation of the motor and prevent damage caused by over-current or over-temperature events.

In conclusion, the LB11861H-MPB-E is a powerful and efficient device which is ideal for motor control applications. It provides very low EMF operation and high current ratings, making it suitable for a wide range of automotive and industrial applications. The device includes a range of monitoring and control features which enable for precise operation and efficient energy management, making it a must have for any system requiring motor control.

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