The Engineering Projects

Introduction to MC34063

Hello everyone! I hope you all will be absolutely fine and having fun. Today, I am going to share a detailed Introduction to MC34063. It's normally required for the construction of DC to DC converters. MC34063 has a high current output switch, Pulse Width Modulation (PWM) controller with current limiting, compensated reference of internal temperature, a comparator and a driver. For the inverting, boost and buck applications there is no need of a huge complicated external components, instead they can be performed using minimum external components. MC 34063 operates properly in the temperature ranging from 0 to 70 degree celsius. MC34063 ha s wide range of applications in real life e.g. portable equipment, Human Machine Interface (HMI), test and measurement, telecommunications, computing and consumer, cable solutions etc.

Introduction to MC34063

• MC34063 is basically a monolithic control circuit having all the functions required for the construction of DC to DC converters i.e. buck converter, boost converter or inverters etc.
• It consists of multiple functions, which are:
  • Comparator.
  • Oscillator.
  • High current output switch.
  • Active Peak Current Limit.

• MC 34063 requires minimum externals equipment for buck, boost applications.
• It has a lot applications including, cable solutions, blood gas analyzer, telecommunications etc.
• The current, voltage and power ratings of MC 34063 are shown in the table given below:

MC34063 Maximum Ratings
No.	Parameter	Symbol	Value	Unit
1	Power Supply Voltage	Vcc	40	V
2	Comparator Input Voltage Range	Vir	-0.3 to +40	V
3	Switch Collector Voltage	Vc(switch)	40	V
4	Switch Emitter Voltage	Ve(switch)	40	V
5	Switch Collector to Emitter Voltage	Vce(switch)	40	V
6	Driver Collector Voltage	Vc(driver)	40	V
7	Driver Collector Current	Ic(driver)	100	mA
8	Switch Current	Isw	1.5	A

1. MC34063 Pinout

• MC34063 is available in DIP, SOIC & SON packages.
• These packages of MC 34063 has eight (8) pins each.
• Each of these pins along with its name is shown in the table given below:

MC34063 Pinout
Pin No.	Pin Name
1	Switch Collector
2	Switch Emitter
3	Timing Capacitor
4	Ground (GND)
5	Comparator Inverting Input
6	Voltage (Vcc)
7	Ipk
8	Driver Collector

• I have also labelled these Pins on the IC for better understanding:

2. MC34063 Pins Configuration

• MC 34063 pins configuration along with the functions associated each of the pin is provided in the table shown below.

• All the eight pins of MC 30463 with the functions associated with them are shown in table above.

3. MC34063 Proteus Simulation

• As I have told earlier, MC34063 is used mostly for buck or boost applications.
• So, I have designed this simple buck converter Proteus Simulation of MC34063, where I have converted voltage from 12V to 5V.
• Here's the circuit diagram of buck converter shown in below figure:

• You can see in above figure that input voltage of this buck converter is 12V while the output voltage is 5V.
• The circuit I have designed in Proteus is kind of a basic circuit of MC34063.
• By changing the values of resistors and inductor, you can change the output voltage.
• You can download this Proteus Simulation of buck converter by clicking below button:

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4. MC34063 Packages

• MC 34063 has different packages, a few of which are shown in the table given below.

• The three packages including PDIP, SOIC and SON along with their dimensions are shown in the above table.

5. MC34063 Features

• The different features associated with MC 34063 are provided in the table shown below.

• The description of the features associated with the device MC 34063 are provided in chronological order in the table shown above.

6. MC34063 Schematic Diagram

• The internal circuitry of the device MC 34063 is shown in the figure given below.

• From the above figure, you can see that MC 34063 consista of oscillator, 1.25V reference regulator, gate and a combination of transistors etc.

7. MC34063 Applications

There are a lot of applications associated with MC34063, a few of which are given below.

• Human Machine Interfaces (HMI).
• Portable devices.
• Measurement and test.
• Gas and blood analyzer.
• Consumer
• Computing
• Telecommunications.
• Cable solutions.
• These are the few applications associated with MC 34063.

So, that is all from the tutorial Introduction to MC34063. I hope you enjoyed this exciting tutorial. If you are facing any sort of issue regarding anything, you can ask me in comments anytime you want, without even feeling any kind of hesitation. I will try my level best to sortout your problems, if possible. Our entire team is also 24/7 there to entertain you. I will explore further hardware equipment in my upcoming tutorials. So till then, Take Care :)

Introduction to LM386

Hello everyone! I hope you all will be absolutely fine and having fun. Today, I am going to explain you about Introduction to LM386. Its a power amplifier specially designed for low voltage consuming applications. The gain of LM 386 is set around 20 internally. But the gain could be increased due to the insertion of external resistor and capacitor between the pin number 1 and 8. The gain could increase to any value from 20 to 200. The LM-386 inputs are ground referenced. The output are biased to the half of the input voltage levels automatically. When LM 386 operates on 6V, its quiescent power drain is around 24mW. This property of LM-386 makes it ideal for the battery operation. Its major features include battery operation, minimum external parts / equipment, low quiescent current drain, wide supply voltages. LM 386 has avery wide range of applications including intercoms, power converters, TV sound systems, ultrasonic drivers, portable tape player amplifiers, line drivers, AM FM radio amplifier, small servo drivers. Futher detail about LM-386 will be given later in this tutorial. [otw_is sidebar=otw-sidebar-7]

Introduction to LM386

LM386 is a power amplifier used for low voltage application requirement. Its gain is internally set around 20 but due to the external resistor and capacitor gain can vary between 20 to 200. It is assumed to be ideal for the battery operation when operating around 6V. Its has a lot of real life applications e.g. servo drivers, line drivers, TV sound systems, FM radio amplifier etc. LM-386 is show in the figure below.

1. LM386 Pinout

• LM 386 has eight (8) pins in total having different individual functions.
• All of the pins along with their symbol are given in the table shown below.

2. LM386 Pins Configuration

• A properly labeled pin diagram of any device results in better standing of the user.
• I have made a completely labeled diagram of LM-386 diode along with its animation.
• The complete pinout diagram along with animation, symbolic representation and the real image of LM 386 is shown in the figure below.

3. LM386 Packages

• LM 386 has different type of packages LM386N-1, LM386N-3, LM386N-4 and LM386M-1.
• All of theses packages along with their dimensions and part number are given in the table shown below.

4. LM386 Ratings

• The current, voltage and power ratings of any device shows its power requirement i.e. how much amount of current and voltage is sufficient for its operation.
• I have provided LM 386 current, power and voltage ratings in the table shown below.

5. LM386 Schematic

• The schematic diagram of a device helps us to understand its internal functionality.
• I have provided the labeled schematic diagram of LM-386 as shown in the figure below.

 

6. LM386 Applications

• LM386 has a wide range of real life applications, a few of which are given below.
• AM-FM radio amplifiers.
• Amplifier with a gain of 20 shown in the figures below.

• Whereas the amplifier with a gain of 200 shown in the figures below.

• Line drivers.
• TV sound systems.
• Ultrasonic drivers.
• Power converters.
• Small servo drivers.
• Portable tape players.

So, thats all from the tutorial Introduction to LM386. I hope you enjoyed this amazing tutorial. If you have any sort of problem, you can ask me in comments, any time you want, without even feeling a bit of hesitation. I will try me level best to sort out your issues in a better way, if possible. Our team is also 24/7 available to help you out. I will explore further IC's and diodes in my upcoming tutorial and will share them with you as well for sure. So, till then, Take Care :)

Introduction to UA741

Hello everyone! I hope you all will be fine and having fun. Today, I am going to give you an elaboration on Introduction to UA741. UA 741 is basically a general purpose operational amplifier. This amplifier is considered to be ideal for the voltage follower applications because latch-up operations are no there in its case and it moreover it has High Common Mode Input Voltage Range (HCMIVR). UA-741 is a high performance operational amplifier made up of single silicon chip. UA 741 is stable without using external components, due to the internal frequency compensation and this device is safe from the short  circuiting. In order to cancel the effect of offset voltages we can use a small valued potentiometer/resistor. UA-741 can operate in a temperature ranging from 0 degrees celsius to 70 degrees celsius. This device has several different features including latch-up free operation, large common mode input voltage ranges, short circuit protection, large differential voltage ranges, capability of nulling offset voltages. UA 741 has a lot applications e.g. Digital Versatile Disk (DVD) recorders, audio mixers, DVD players etc.

Introduction to UA741

UA741 is a general purpose amplifier. It is known as an ideal amplifier for voltage follower applications. UA 741 has good stability without even using the external components. This stability is due to the latch-up free operations and high common mode input voltage ranges. It has amazing features like short circuit protection, latch up free operation, no frequency compensation, offset voltage nulling capability, large common mode voltages etc. Its real life applications include audio mixers, DVD recorders, DVD players etc. UA-741 is shown in the figure below.

1. UA741 Pins

• UA741 has eight (8) pins in total each having different functionality.
• All of the eight pins along with their names are shown in the table given below.

2. UA741 Pins Description

• Each of the 8 pins has its own individual feature.
• The function associated with each pin is given in the table show below.

3. UA741 Pinout

• Labeled pinout diagram of any equipment provides help in better understanding of the user.
• A completely labeled diagram of UA 741 along with its animation and schematic is given below.
• The complete pin diagram along with animation, symbolic representation and the real image of UA-741 is shown in the figure below.

 

4. UA741 Packages

• UA 741 has 3 type of packages PDIP (8), SO (8), and SOIC (8).
• The all packages are provided in the table given below below.

5. UA741 Packages Dimensions

• Each of the three packages has different dimensions.
• All of the three packages are shown in the table given below.

6. UA741 Ratings

• The ratings of any equipment like voltage rating, current rating and power rating show the power requirement of that device e.g. how much power, voltage and current is required for its operation.
• UA 741's current, voltage, power ratings are given in the table shown below.

7. UA741 Schematic

• Schematic representation of an equipment presents the internal functionality of that equipment.
• A labeled schematic diagram of UA-741 is given in the figure shown below.

8. UA741 Features

UA741 has several different features as given below.

• Latch-up free operations.
• High gain.
• No frequency compensation required.
• Large input voltage range.
• Short circuit protection.
• Capability of nulling offset voltage.
• Large differential voltage ranges.

9. UA741 Applications

UA 741 has a lot of real life applications, few of those applications are given below.

• Functions generator.
• Integrators.
• DVD recorders.
• Summing amplifiers.
• DVD players.
• Active filters.
• Audio mixers.
• Voltage followers.

This is the detailed discussion about Introduction to UA741. I hope you have enjoyed this exciting tutorial. If you have any of problem, you can ask me in comments any time you want, without feeling any hesitation. I will try my best to solve your issues in some better way, if possible. Our team is also here to help you. I will explore further IC's in my later tutorial and will surely share all of them with you as well. Till then, Take Care :)

Introduction to NE555

Hello everyone! I hope you all will be absolutely fine and having fun. Today, I am going to share my knowledge about Introduction to NE555. NE 555 is a precise timing circuit device. It can produce the precise time delays and oscillations. The time interval can be controlled by external resistor and capacitor when NE-555 operates in mono stable mode.Whereas in adjustable mode two external resistors and one capacitor controls the duty cycle and frequency. NE555 is an Integrated Circuit (IC/Chip) which can be used in different types of timers.  The output circuit is capable of bearing current up to 200mA. NE-555 timer works on voltage ranging from 5V to 15V. The output level have compatibility at 5V supply. NE 555 timer can be used in oscillator applications and pulse generation as well. Further detail about NE-555 will be given later in this tutorial.

Introduction to NE555

NE555 is a timing circuit Integrated Circuit (IC). It produces the accurate oscillations and time delays. It has two modes of operations i.e. mono stable mode and adjustable mode. In mono stable mode time interval is controlled by external resistor and capacitor. Whereas adjustable mode includes the control of duty cycle with two external resistors and a single capacitor. NE 555 timer has several different applications including finger print biometric, RFID reader, Iris biometrics etc. NE 555 timer is shown in the figure below.

1. NE555 Pins

• NE555 timer has eight (8) pins in total four (4) on the left side of the IC and the remaining four (4) on the right side of the IC.
• All of the pins are shown in chronological order in the table shown below.

2. NE555 Pinout

• A properly labeled pin diagram of the device helps user in their better understanding.
• I have provided a properly labeled diagram of NE 555 along with its animation and schematic.
• A proper pin diagram along with animation, symbolic representation and the real image of NE-555 is shown in the figure below.

 

3. NE555 Packages

• NE 555 has four (4) different types of packages TSSOP, SOIC (16), PDIP (16) and SOP (16).
• All of the four packages are given in the table shown below.

4. NE555 Package Dimensions

• Each of the package has different individual dimensions.
• The dimensions of all of the MAX 232 packages are shown in the table given below.

5. NE555 Functional Diagram

• The functional diagram of any device presents the complete working of that device.
• Functional diagram of NE 555 is shown in the figure below.

6. NE555 Features

The features associated with NE 555 timer are given below.

• Timing from micro seconds to hours.
• Adjustable or mono stable operation.
• Adjustable duty cycle.
• TTL compatible output up to 200mA.
• Lead (Pb) free/
• RoHS compliant.
• Green molding compund.

7. NE555 Ratings

• Current, power and voltage ratings of a device presents the power requirement of that device i.e. how much voltage, power and current is necessary for its operation.
• I have provided NE555 current, voltage, power ratings in the table shown below.

8. NE555 Applications

NE 555 timer has several different real life applications, some of them are given below.

• RFID reader.
• Finger print biometrics.
• Iris biometrics.

So, that was all the necessary detail about Introduction to NE555. I hope you enjoyed my tutorial. If you have any sort of problems, you can ask me in comments, any time you want so, without even feeling any type of hesitation. I will try my best to sort out your issues in a better way, if possible. Our team is also available to entertain you. I will explore further IC's in my upcoming tutorials and will share all of them with you as well. So, till then, Take Care :)