In this project, we will demonstrate a 24V 5A power supply circuit utilizing the LM7824 voltage controller IC and TIP2955 transistor. The purpose of a power supply is to provide electric power to an electric load.
This is an ideal circuit to utilize where you have the necessities of 24V with high current flow. The circuit outfits a steady output voltage with some implicit properties of the LM7824 voltage controller IC. Like short circuit protection, thermal shutdown, etc. The LM78xx arrangement organizes essentially as a fixed voltage regulator. These devices can be used with other parts to procure flexible voltages and current flows. This circuit has worked with the combination of a bipolar PNP transistor named TIP2955, a voltage controller IC LM7824, a diode bridge rectifier, resistors, capacitors, and a center-tapped transformer.
Hardware Components
The following components are required to make a 24V 5A Power Supply Circuit
| S.no | Component | Value | Qty |
|---|---|---|---|
| 1. | Voltage regulator IC | LM7824 | 1 |
| 2. | Transistor | TIP2955 | 1 |
| 3. | Bridge Rectifier | 10A 50 PIV | 1 |
| 4. | Transformer | 230/24V 5A | 1 |
| 5. | Electrolytic Capacitor | 0.33uF, 2200uF, 10uF | 1, 1, 1 |
| 6. | Resistor | 1 Ohm | 1 |
| 7. | AC Supply | 230V | 1 |
LM7824 Pinout
For a detailed description of pinout, dimension features, and specifications download the datasheet of LM7824
24V 5A Power Supply Circuit
Working Explanation
In this circuit, the AC 230V to 24V transformer steps down the main voltage. This input AC voltage is then rectified by the 10-ampere diode bridge. Furthermore, The 2200uF 50V capacitor utilizes to filter the noise and other agents from the source voltage, and the other two 0.33µF and 10µF capacitors are deployed for signal decoupling.
The LM7824 is a positive voltage regulator IC it gives direct 24V DC output, the yield current of that IC should not be more than 1.5 amperes thusly a TIP2955 transistor utilizes to enhance the output current to 5A. Using reasonable heat sinks with the IC and transistor increases the thermal stability of the circuit.
Applications and Uses
24-volt power supplies have a wide scope of utilization. Some of them are:
- Use to power 24V electric loads
- Its thermal shutdown properties make it more reliable and best suitable in areas where there are strict limitations of heat generation
