RUIDENG DP20V2A Power Supply Module CNC Programmable Constant Voltage Current


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Here is a very good project from Thorsten Singer, he made this Battery Powered PSU (0-20V, 0-2A) (BPPSU) with case, you can see the details from here: https://www.instructables.com/id/Battery-Powered-PSU-0-20V-0-2A-BPPSU/?ALLSTEPS

Product Information:

The constant voltage and constant current programmable control power supply module is cabinet and delicate, and it put the collection of analog integration and digital control functions in one.
Its adjustable output voltage range is 0-20.0V, step by 0.1V.
Its adjustable output current range is 0-2.00A, step by 0.01A.
Boot voltages can be stored freely and the model has two groups of quick storage voltage.
Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required.
LCD display on the model has the function digital voltmeter and ammeter.
You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power and LCD brightness.
If you need the housing of this power supply,please click here !

Technical parameters:

Weight: 59g/piece
Dimension: 79 x 42 x 26mm (L x W x H)
Open size: 71 x 39mm
Input positive: IN+
Input negative: IN-
Output current: 0-2.00A
Output power: Maximum 40W
Output positive: OUT+
Output negative: OUT-
Ripple frequency: About 330 KHz
Input voltage range: 4.5-23V(23V is the limiting highest voltage. When you use it, make sure input voltage below 23V)
Output voltage range: 0V-20.0V (In step down voltage mode, input voltage must be higher than 3V), the control button can fast draw up 2 sets data.
Ripple peak to peak value: 50mv (typical value)

More details:

Item DP20V2A DP30V3A DP50V2A DP50V5A DPS3003 DPS3005 DPS5005 DPS3012 DPS5015
Product ID This one 993033 1050062 1050061 1062475 1062474 1062473 1065235 1072236
Difference between DP,DPS and DPH 1. DPS series are updated version. Panel is different. In DPS series, we change the M1/↑and M2/↓ into V/↑and A/↓. You can press those buttons set the voltage and current fast. We add a new function “set default boot open or close output”
Others are not changed.
2. DPS5005 and DP50V5A can charge the battery directly, don't need diode. When charging battery, don’t connect battery polarity reversely, otherwise, power parts will bunt.
Find the difference between DPS and DP see this video https://www.youtube.com/watch?v=ptt931rrXo8
3, DP power supply and DPS power supply are all buck (step-down) converter.  But DPH3205 is buck-boost (step-down and step-up )converter.
4, DPS3005-C and DPS5005-c are communication version. You can connect PC and use upper computer
Communication function No No No No No No No No No
Working mode Buck mode Buck mode Buck mode Buck mode Buck mode Buck mode Buck mode Buck mode Buck mode
Input voltage 4.5-23V 6-35V 6-55V 6-55V 6-40V 6-40V 6-55V 6-40V 6-60V
Output voltage 0-20.0V 0-32.0V 0-50.00V 0-50.00V 0.00-32.00V 0.00-32.00V 0.00-50.00V 0.00-32.00V 0.00-50.00V
Output current 0-2.00A 0-3.10A 0-2.000A 0-5.000A 0-3.000A 0-5.000A 0-5.000A 0-12.00A 0-15.00A
Output power 0-40W 0-99W 0-100W 0-250W 0-96W 0-160W 0-250W 0-384W 0-750W
Voltage resolution 0.1V 0.1V 0.01V 0.01V 0.01V 0.01V 0.01V 0.01V 0.01V
Current resolution 0.01A 0.01A 0.001A 0.001A 0.001A 0.001A 0.001A 0.01A 0.01A
Product size 79*34*26mm 79*34*26mm 79*34*48
mm
79*34*48
mm
79*43*41
mm
79*43*48
mm
79*43*48
mm
79*43*48mm (display )
93*71*41mm
(power)
79*43*48mm (display )
93*71*41mm
(power)
screen LCD LCD Color LCD Color LCD Color LCD Color LCD Color LCD Color LCD Color LCD
Fan NO (don’t need) YES YES NO (don’t need) NO (don’t need) NO (don’t need) NO (don’t need) YES YES
Charge the battery NO NO NO Yes Yes Yes Yes Yes Yes
Function Preset  output voltage / current 
Power down storage
Store shortcut storage value
Exact shortcut storage value
Adjust LCD brightness
Open or close output
2 data groups 
Preset  output voltage / current 
Power down storage
Store shortcut storage value
Exact shortcut storage value
Adjust LCD brightness
Open or close output
2 data groups
Preset  output voltage / current(in two places by SET KEY)
Preset protection value
6 running status icons
Key lock
Data setting and store the specified data group
Store shortcut storage value
Exact shortcut M1 or M2 or specified data group
Adjust LCD brightness
Open or close output
10 data groups
Preset  output voltage / current(in two places, by V,A button and SET KEY)
Preset protection value
6 running status icons
Key lock
Data setting and store the specified data group
Store shortcut storage value
Exact shortcut M1 or M2 or specified data group
Adjust LCD brightness
Open or close output
10 data groups
Set default boot open or close output

1 x DP20V2A Power Supply Module

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