L293NG4

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The L293NG4 application field and working principle is an important part of Power Management and Integrated Circuit (PMIC) group. It belongs to the Motor Drivers, Controllers category, and plays an important role in controlling the motion of actuators. The device is capable of driving two voltage motors that are of medium power at low voltage while consuming minimal current.

Previously, the L293NG4 was known as the LC1403 series. It comprises of two H-bridge output driver, protected with diodes, which can support two single-coil bi-directional motors with minimal external components. The main feature of the device is its ability to instantly stop the motor, when the current is interrupted by reversing the input signal direction for both separate coils.

The working of L293NG4 is based on the principle of H-bridge. An H-bridge is a circuit consisting of four switches, which enables a voltage to be connected across a mechanical load rotating in either direction. The L293NG4 is operated by a logic input control, which makes it possible to control the speed of the motor and its direction. This control is implemented with an internal power control MOSFET, which helps in maintaining a constant current at the load.

This device is applicable in various fields. In medical industry, the L293NG4 can be used to control the position of robotic arm during surgeries. It is also used in animation effects, like camera tracking, heating systems, centrifuges and robotics. The L293NG4 also finds uses in traction control systems in automobiles, where it is applied to control the speed of the vehicle. Additionally, it is applied in equipment controlling robots, toys, motors and elevators.

The power saving feature of the device makes it a desirable choice for many applications. It is capable of generating motion in various motors with low power consumption. Moreover, the device is highly integrated and can be operated with minimal connections, making the circuit simpler and more efficient. Overall, the L293NG4 provides an efficient way of operating motors in bi-directional manner while being cost efficient at the same time.

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