Stabilized DC Power Supply with Short-Circuit Indication

Description: Stabilized DC Power Supply with Short-Circuit Indication. The circuit provides four distinct regulated DC outputs (12V, 9V, 6V, and 5V) along with an unregulated 18V DC output, selectable via a rotary switch S2. The chosen output is displayed on an analog voltmeter connected to the output rails. This circuit serves as an efficient four-output stabilized DC power supply unit for testing electronic circuits. It delivers well-regulated and stabilized output, which is crucial for obtaining optimal results in most electronic applications. Additionally, the circuit offers audio-visual indications in the event of a short circuit in the PCB under test. It is a dual regulated and stabilized power supply typically used to power amplifier circuits. The outputs include positive voltage, ground (normal), and negative voltage, with a maximum current output of approximately 0.3 to 0.5 A. It is important to note that this circuit requires a center-tap transformer. For instance, to achieve a 12V output, specific transformer configurations must be utilized. This circuit generates three regulated voltage sources with a minimal number of electronic components. The output DC voltages are +12V, +5V, and -5V. Diodes D2 and D3 facilitate full-wave rectification while simultaneously charging capacitor C2 during each half of the alternating current cycle. Concurrently, diode D1 and capacitor C1 operate in conjunction. The circuit diagram also includes a DC to DC converter based on the LM2596, featuring a single input supply with multiple voltage outputs. The input voltage range is from 15V to 40V, providing five outputs: 3.3V at 1.5A, +12V and -12V at 50 mA each, and +5V and -5V at 50 mA. Additionally, there is a basic Uninterrupted Power Supply (UPS) circuit, which is simple and cost-effective. This circuit can be adapted or modified for other regulated and unregulated voltages by employing different regulators and batteries. For a 15V regulated supply, two 12V batteries may be connected in series to yield 24V. Furthermore, a water-level indicator circuit utilizes a 7-segment display to indicate water levels (low, half, and full) in a tank. A buzzer is incorporated to alert users of potential overflow from the tank. The circuit visually represents water levels with the labels L, H, and F for low, half, and full, respectively.

The stabilized DC power supply circuit is designed to cater to various electronic testing requirements by providing multiple voltage outputs. The use of a rotary switch S2 allows for easy selection between the different regulated outputs, ensuring flexibility for different applications. The analog voltmeter serves as a crucial component for monitoring the output voltage, allowing users to verify that the desired voltage level is being supplied.

The circuit employs a center-tap transformer to achieve the necessary voltage levels, which is essential for generating both positive and negative outputs. The full-wave rectification process, facilitated by diodes D2 and D3, ensures that the output voltage is smooth and stable, minimizing ripple and fluctuations. Capacitors C1 and C2 play pivotal roles in filtering and stabilizing the output, contributing to the overall performance of the power supply.

The incorporation of short-circuit indication features enhances safety during operation, alerting users to potential issues with the connected load. This is particularly important in testing scenarios where sensitive components may be at risk. The dual regulated output design allows for simultaneous powering of multiple circuits, which is advantageous in complex testing environments.

The DC to DC converter based on the LM2596 provides an additional layer of versatility, capable of stepping down higher input voltages to the required output levels while maintaining efficiency. The specified output ratings ensure that the circuit can handle a range of applications, from low-power devices to more demanding loads.

Overall, this stabilized DC power supply circuit is a comprehensive solution for electronic testing, offering reliability, safety features, and adaptability to various voltage requirements. The additional water-level indicator circuit exemplifies the versatility of the design, showcasing its potential applications beyond just power supply functionalities.Stabilized DC Power Supply with Short-Circuit Indication. The circuit gives you four different regulated DC outputs (12V, 9V, 6V and 5V) and an unregulated 18V DC output, that are selectable by way of rotary switch S2. The selected output is showed on the analogue voltmeter connected to the outputs rails. This is definitely an effective 4-output s tage stabilized DC power supply unit for testing electronic circuits. It delivers very well regulated and stabilised output, that is important for most electronic circuits to provide good results. The circuit gives you an audio-visual indication if there is a short circuit in the PCB under test, so the.

This is a dual regulated and stabilized power supply, usually used to supply amplifier circuit. There are 3 output that are (+) voltage, (0) Ground (normal), and (-) voltage. The current output max about 0. 3-0. 5 A. Please take a note that this circuit require center tap transformer. for example, if you need 12v output, you. This circuit generates 3 source regulated voltages applying a minimum of electronic parts. The output DC voltage are +12V ; +5V and -5V. Diodes D2 and D3 conduct full-wave rectification, at the same time charging capacitor C2 on each halves of the alternating current cycle. At the same time, diode D1 with capacitor C1, and. This is the circuit diagram of DC to DC converter based LM2596, the circuit has a single input supply and multiple voltage outputs.

The circuit has an input voltage range of 15V to 40V. It has 5 outputs: 3. 3V at 1. 5A; +12V and ’12V at 50 mA each; and +5V and ’5V at 50 mA. The above diagram is a basic Uninterupted Power Supply (UPS) circuit. This is a very simple and inexpensive circuit. This circuit can be adapted/modified for other regulated and unregulated voltages by using different regulators and batteries. For a 15 Volt regulated supply, you may apply two 12V batteries connected in series (it will become 24V).

Here the water-level indicator which use a 7-segment display, to show the water level (low, half and full) in the tank. Moreover, a buzzer is utilized to warn you of water overflowing from the tank. The circuit shows the water level by displaying L, H and F for low, half and full, respectively. The circuit.