DATASHEET and Circuit Diagram

The MotorDriverV1.0 board is a high-power dual H-bridge capable of independently driving 2 DC motors or one stepper motor. The picture below show you with the block diagram of Motor Driver V1.0 using LMD18200 H-Bridge IC from National Semiconductor.

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LMD18200 3A H-Bridge device are used to be applied on applications such as DC and stepper motor drives, computer printers, factory automation robots, servomechanisms and etc. The following figure shows the functional diagram of the LM18200.

According to the datasheet, this device is designed for motion control applications, it accommodates peak output currents up to 6A. In addition of 3A continuous output, LM18200 features : operates at supply voltages up to 55V, internal charge pump with external bootstrap capability, and thermal warning flag output at 145 C with shorted load protection.

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Herein you will find informations about MC34063A DC to DC converter which is known as a monolithic control circuit. This IC is particularly designed to be incorporated in step down, step up and voltage inverting applications. And the figure below shows you a step down converter circuit diagram of this device.

The MC3406A operates from 3.0V to 40V input with output switch current to 1.5A. It features low standby current, current limiting, output voltage adjustable, and consists of an internal temperature compensated reference, comparator, and controlled duty cycle oscillator.

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The circuit diagram below shows a Two-Phase Motor Driver Circuit using SN754410. SN754410 has ability to drive inductive loads i.e relays, solenoids, DC stepping motors, and bipolar stepping motors in positive supply applications.

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Stepper motors have two types, unipolar and bipolar. In unipolar motors the current flows one direction through any given motor coil while motor need controllers to adjust position and speed. Then you will need a motor driver to amplify a controller’s low output current to a larger current that is required by a motor. Below is an article that describe you about how to design a unipolar stepper motor controller/driver.

You will be taken into sections that will describe you on unipolar stepper motor and BJT transistors, learn how to use a universal shift register, and put it altogether to design unipolar stepper motor driver (using a Jameco 15 V unipolar stepper motor). Within the article, there are explanation about The advantages and disadvantages between unipolar, bipolar and DC motors, Ways of energizing stepper motor coils in the proper sequence, Variable Speed Stepper Motor Drive, and Microcontroller Stepper Motor Control.

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The FAN5631/5632 is a regulated Step-Down Charge Pump DC/DC Converter which is using switching technique technology that produce low output ripple, lower ESR spikes, and improve efficiency over a wide load range. Hence, FAN5631/5632 can produce a fixed regulated output voltage from an input voltage of 2.2V to 5 V. This device commonly used on application such as cell phones, hanheld computers, portable electronic equipment, digital cameras and etc.

It is recommended that you should not exceed FAN5631/5632 or design them to their Absolute Maximum Ratings as stated to ensure optimal performance in the datasheet specifications. The recommended operating conditions are Vcc (supply voltage range) 2.2 to 5.5V, Iout (Output Current/Vin > 2V) max 250mA, and Ta (operating ambient temperature range) -40 to +85 C which typically +25 C.

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