High-Precision DP20V2A Programmable Power Supply Module with LCD

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High-Precision DP20V2A Programmable Power Supply Module with LCD

Name: High-Precision DP20V2A Programmable Power Supply Module with LCD
Brand: satkit
SKU: 1b050602
Price: 18.01 EUR
Availability: InStock

Brand: satkit

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DP20V2A CVCC Programmable Power Supply Module with LCD Display

This DP20V2A CVCC programmable power supply module is designed to provide precise and convenient control of voltage and current in your electronics projects. Its integrated LCD display lets you view key parameters in real time, such as preset voltage, input and output voltage, preset and output current, power, and display brightness.

Main features:

Adjustable output voltage range: 0-20.0V in 0.1V steps.
Adjustable current range: 0-2.00A in 0.01A steps.
Stores two voltage groups for quick access.
LCD display with digital voltmeter and ammeter functions.
Detailed display: input voltage (U-IN), preset voltage (U-SET), output voltage (U-OUT), preset current (I-SET), output current (I-OUT), power, display brightness and operating modes.
Approximate ripple frequency of 330 KHz and ripple of 50mV.
Compact dimensions: 79 x 43 x 26 mm.

Technical specifications:

Dimensions: 79 x 43 x 26 mm (L x W x H).
Open size: 71 x 39 mm.
Positive input: IN+.
Negative input: IN-.
Positive output: OUT+.
Negative output: OUT-.
Maximum output power: 40W.
Input voltage range: 4.5-23V.
Output voltage range: 0-20V (step-down voltage mode requires input voltage >3V).

Key functions and use:

SET button for function adjustment and confirmation.
m1 and m2 keys for quick access to stored data.
ON/OFF control to enable or disable the voltage output.
Allows storing voltage, current and brightness settings for future use.
Ideal for testing, development and repair of electronic circuits that require regulated and programmable power.

Operating instructions:

Preset voltage adjustment using the SET button and encoder potentiometer.
Preset current adjustment in the same way.
Saving settings for quick recall.
LCD brightness control to suit different lighting conditions.

Precautions:

Turn off the output when not in use to avoid damage from high voltage.
Input voltage must be below 23V to prevent damage.
The module will switch off automatically if the input voltage is insufficient to protect itself.
Avoid direct sunlight to protect the LCD display.
Maintain adequate ventilation during full-capacity use.
Do not use to charge batteries without proper protection.

Includes:

1 x DP20V2A CVCC Programmable Power Supply Module with LCD Display.

Adjustable output voltage from 0 to 20V in 0.1V steps
Adjustable output current from 0 to 2A in 0.01A steps
Integrated LCD display with digital voltmeter and ammeter
Quick storage of two preset voltage groups
40W maximum output power for a range of applications
Input voltage range of 4.5 to 23V with automatic protection
Easy control with SET, m1, m2 buttons and encoder potentiometer
Compact 79 x 43 x 26 mm size for easy integration

Customer Questions & Answers

What are the advantages of the DP20V2A CVCC module compared with a traditional analogue power supply?

The DP20V2A CVCC allows precise digital adjustment (0.1 V and 0.01 A), quick configuration storage and simultaneous display of key parameters on the LCD, which simplifies operation and reduces the margin for error compared with analogue power supplies, which require manual adjustment and do not store settings.

What input voltage and current must the power supply provide for the module to operate correctly?

The input power supply must provide between 4.5 V and 23 V DC, ensuring the input voltage is at least 3 V higher than the desired output voltage, with a current capable of supporting up to 2 A to reach the maximum power of 40 W.

What are the exact dimensions and approximate weight of the device?

The module measures 79 mm long, 43 mm wide and 26 mm high. The typical weight of this type of module is around 60-80 grams, although the manufacturer does not specify the exact value.

How is the module installed and connected to a circuit?

Connect the module input (IN+/IN-) to the DC power supply and the output (OUT+/OUT-) to the load circuit. It is important to respect polarity and ensure the input voltage is compatible with the output requirements, always following the manufacturer’s safety instructions.

What level of voltage ripple does this module have and how does it affect sensitive loads?

The specification indicates a typical ripple of 50 mV and a switching frequency of approximately 330 kHz. Low ripple values are preferable for sensitive electronic loads; this level is acceptable for most applications, but may be limiting in precision instrumentation.

What is the output voltage range of the DP20V2A module?

The DP20V2A module allows the output voltage to be adjusted between 0 and 20.0V in 0.1V steps.

What is the maximum current this module can supply?

The adjustable output current ranges from 0 to 2.00A, in 0.01A steps.

Can I store voltage settings for quick use?

Yes, the module has two quick storage groups for preset voltages, which makes repeated use easier.

How are the parameters displayed on the module?

The LCD display shows input voltage, preset and output voltage, preset and output current, power, and display brightness.

Is it safe to use this module for charging batteries?

It is not recommended to use the module to charge unprotected batteries, as reverse voltage can damage it. A diode should be added at the output if this function is required.