LB1838M-MPB-E Integrated Circuits (ICs)

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PMIC - Motor Drivers, Controllers

LB1838M-MPB-E application field and working principle

The LB1838M-MPB-E is a Monolithic Motor Driver from Sanken Electric Company, a renowned brand in the motor driver space. It is a high-output motor driver offering features such as protection from over-heating and over-current, automatic current down-regulation and Internal current-limiting. The motor driver is capable of driving both DC and AC motors up to a maximum current of 4.5A over the full rated supply voltage range of 6V to 32V. It features an adjustable PWM current regulation range of 4V to 32V and can be used for driving many types of motors, including brushless DC motors, solenoid actuated valves, pumps, and various other actuators.

The LB1838M-MPB-E is specifically designed to provide full protection against over-current, over-heating and overload, and performs extremely well at high speed and duty cycles. Its advanced topology and integrated feedback and control make it the ideal driver of choice for a wide array of motor control applications.

The LB1838M-MPB-E consists of three basic functional blocks: switching FETs, gate drive circuitry and current control circuitry. The FETs, which are used to switch the motor current, are rated for up to 4.5A peak. The gate drive circuitry provides the necessary gate drive signals to the FETs and employs an advanced protection system to monitor the FET temperature and control its switching frequency, thus ensuring driver and motor safety. The current control circuitry continuously measures the current flowing through the motor and provides precise current regulation and is also able to protect against over-current through its current-limiting algorithm.

The LB1838M-MPB-E motor driver, thanks to its precise current regulation and advanced protection, is ideal for a wide variety of motor control applications including, but not limited to, wide-range drones, robotics and vehicle control. It is also suitable for use in applications such as fan speed/step control, fuel pumps, solenoid valves, window motors and various other actuating systems.

For detailed information on the LB1838M-MPB-E and its capabilities, including information on its output power, input/output voltage range, power consumption and more, please refer to the user manual of the product. Additionally, the user manual provides detailed guidance on the proper use of the motor driver and its features.

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