L293E Integrated Circuits (ICs)

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PMIC motor drivers, controllers, and digital power management Integrated circuits (ICs) have become more essential in today’s complex digital systems. These devices are designed to convert electrical power from one form to another while managing the power conversion process. The L293E is a versatile integrated circuit that is used to drive motors, regulate power, and manage signal processing. This article will discuss the application field and working principle of the L293E.

The L293E is used to interface two motors with one controller. It supports two bidirectional motors, two brushed motors, or a brushed and brushless DC motor. The L293E is a basic dual motor driver. It is a double H-type bridge, which means that it has two H-bridge circuits. Each bridge supports two DC motor channels, both of which operate in bidirectional mode. With a suitable external supply voltage, the L293E is capable of driving up to 2 amps per channel.

The L293E also features TTL logic compliance, which allows it to be used with a variety of logic levels and logic families. This makes the L293E device compatible with many digital systems. Furthermore, the device features thermal shutdown protection, output current limiting, and dual supply voltage selection, making the device reliable and robust.

The L293E is used for a variety of applications such as motor speed control, stepper motor control, robotics, and so on. This IC is particularly suited for use in hobby robotics and other hobby electronics applications, such as radio-controlled toys and remote-controlled vehicles. Moreover, the L293E can also be used in a variety of industrial applications such as controlling industrial machinery.

The working principle of the L293E is based on H-bridge circuitry. An H-bridge is a circuit that consists of four switches that can be used to control the direction and speed of a DC motor. When two switches are on, the motor moves in one direction; when the other two switches are on, the motor moves in the opposite direction. By supplying the motor with pulses of current, the speed of the motor can be varied.

The L293E uses logic inputs to control the four output switching elements, which in turn control the direction and speed of the motor. The logic inputs can come from a microcontroller, logic levels, or external logic control signals. The output from the L293E will be PWM (pulse width modulation) signals that are used to control the speed of the motor. The maximum motor drive current for the L293E is 2.0 A.

In summary, the L293E is a versatile integrated circuit that is used to drive motors, regulate power, and manage signal processing. It is used in a wide range of applications, including industrial and hobby electronics. The L293E operates on the principle of an H-bridge circuit, where the direction and speed of the motor is controlled by varying the duty cycle of the pulses sent to the motor. The L293E is capable of driving up to 2 amps per channel and is compliant with various logic levels.

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