Interfacing UC 1845 PWM Boost Regulator circuit in proteus simulation

Interfacing UC 1845 PWM Boost Regulator circuit in proteus simulation

In this article we will learn how to interface UC 1845 PWM Boost Regulator in proteus.
In the last post we will learn how to Interfacing Arduino and RTC DS3231 with Real Time Clock in proteus. You can visit our website,
I hope you appreciate my work, let’s discuss about today’s project.

Components which we use in this project are listed below:

  1. Battery (12v)
  2. IC (UC 1845)
  3. Capacitors (100nF, 4.7nF, 270p, 1nF, 47uF)
  4. Resistors (30k, 0.01, 500, 10, 0.5, 1k, 9k, 250)
  5. Inductor (100uH)
  6. IRF 120
  7. Diod (4001)
  8. Jumper wires

Diagram of this project is below:

Interfacing UC 1845 PWM Boost Regulator circuit in proteus simulation
Interfacing UC 1845 PWM Boost Regulator circuit in proteus simulation

Construction of UC 1845 PWM Boost Regulator in proteus simulation

  • Connect one terminal of battery with one side of resister through one side of capacitor 100nF and VCC pin of 1845
  • Connect 2nd side of capacitor with GND
  • Connect 2nd side of resistor with one side of inductor
  • Connect 2nd side of inductor with one side of diod trough one terminal of IRF120
  • Connect 2nd side of diod with one side of resistor variable through one side of resistor 9k and 0.01
  • Connect 2nd side of resistor variable with GND
  • Connect pin 8 of IC 1845 with one side of capacitor 100nF through one side of resistor 30k
  • Connect 2nd side of capacitor with GND
  • Connect 2nd side of resistor 30k with one side of capacitor 4.7nF
  • Connect 2nd side of capacitor 4.7nF with GND
  • Connect pin 4 of IC 1845 with the junction of resistor and capacitor
  • Connect 2nd side of resistor 9k with one side of resistor 1k
  • Connect 2nd side of resistor 1k with GND
  • Connect pin of IC 1845 with the junction of resistor 9k and resistor 1k through –ve side of capacitor 270p
  • Connect 2nd side of capacitor 270p with pin 1 of IC
  • Connect GND pin of IC with GND
  • Connect OUT pin of IC with one side of resistor 10k
  • Connect 2nd side of resistor 10k with signal pin of IRF
  • Connect ammeter pin of IRF with one side of resistor 0.5
  • Connect 2nd side of resistor 0.5 with GND
  • Connect CS pin of IC with one side of resistor 500 through one side of capacitor 1nF
  • Connect 2nd side of resistor with the junction of IRF and resistor 0.5
  • Connect 2nd side of capacitor 1nF with GND
  • Connect 2nd side of resistor 0.01 with one side of capacitor 47uF
  • Connect 2nd side of capacitor 47uF with GND
  • Connect 2nd side of battery with GND

Working of UC 1845 PWM Boost Regulator in proteus simulation

The UC1845 is a pulse-width modulation (PWM) controller IC (integrated circuit) commonly used in boost converter circuits to regulate and control the output voltage. It is part of the UCx84x family of devices manufactured by Texas Instruments, which are widely used in power supply and voltage regulation applications. The UC1845, in particular, is known for its versatility and is used in various power supply topologies, including boost converters.

Applications of UC 1845 PWM Boost Regulator in proteus simulation

  1. Boost Voltage Regulator
  2. DC-DC Converters
  3. Battery-Powered Devices
  4. LED Drivers
  5. Battery Chargers

Advantages of UC 1845 PWM Boost Regulator in proteus simulation

  1. Efficiency
  2. Voltage Regulation
  3. Wide Input Voltage Range
  4. Adjustable Output
  5. Current Limiting