ZK-4KX input DC5.0-30V
DC-DC Buck Boost Converter CC CV Output 0.5-30V Adjustable Power Supply Module

Features:
- LCD displays input/output voltage, output current/output power/output capacity/output time.
- CNC adjustment enables accurate and fast adjusting. It can boost and lower voltage, with adjustable output voltage 0.5-30V, and adjustable current limit 0-4A.
- Anti-reverse connection protection of input end, so that it will not burn out when there is reverse connection.
- Anti-backflow protection at the output end. No need to add anti-backflow diode when charging.
- The module can be set to ON/OFF by default.
- Multiple software protection mechanisms are available, and the protection threshold is adjustable.When the working parameters of the module exceed the protection threshold, the output will be automatically turned off.
- Output ripple is small andπfilter is available.
- Thick heat sink.
 
Specifications:
- Input voltage: 5.0-30V
- Output voltage: 0.5-30V
- Output current: can work stably at 3A for a long time, and can reach 4A under enhanced heat dissipation
- Output power: natural heat dissipation 35W; strengthen heat dissipation 50W
- Voltage display resolution: 0.01V
- Current display resolution: 0.001A
- Conversion efficiency: about 88%
- Soft start: yes (it may fail when the module is power-on with high-power load)
- Operating frequency: 180KHZ
- Hole spacing For embedded installation: 75 x 39mm
 
Protection Mechanism:
- Input anti-reverse connection
- Output against backflow
- Input under-voltage protection (4.8-30V adjustable, default 4.8V)
- Output over-voltage protection (0.5-31V adjustable, default 31V)
- Output over-current protection (0-4.1A adjustable, default 4.1A)
- Over-power protection (0-50W adjustable, default 50W)
- Over-temperature protection (80-110℃ adjustable, default 110℃)
- Timeout protection (0-100h adjustable, OFF by default)
- Over-capacity protection (0-60Ah adjustable, OFF by default)

How to User It?
 
1.Switch Displayed Parameters:
In the normal interface, short press SW to switch the displayed content in the lower line. Current A, power W, capacity Ah, and time h can be switched. Long press to change the top displayed content, switching between input voltage IN and output voltage OUT.
 
2.Set Output Voltage Value:
In the normal interface, short press U / I button to enter into voltage CC setting interface. A certain digit of set output voltage is blinking. Rotate the encoder knob to increase or decrease output voltage. Short press the knob to select which digit of the output voltage to set. When the setting is completed, short press U / I button twice to return to the normal interface. Or it will automatically return to the normal interface, without operation in 10s.
 
3. Set Constant Current Value (That is, the maximum output current allowed by the module):
In the normal interface, short press U / I button to enter voltage constant current setting interface. Short press U / I button again to switch to set constant current value. It can be seen that a certain bit of the constant current value is blinking. Turn the encoder knob to increase or decrease the value. Short press the encoder to select which digit of the constant current value to set. When the setting is completed, short press U / I button to exit the setting interface and return to the normal interface. Or it will automatically return to the normal interface, without operation in 10s.
 
4. Set the Module to be ON/OFF by Default:
In the normal interface, press and hold U / I button to enter parameter setting interface. It displays OPEN OFF or OPEN ON. OPEN OFF means the output is turned off by default when power-on, and OPEN ON means the output is turned on by default when power-on. Press and hold the rotary encoder to switch between these two states. After the setting is completed, press and hold the U / I button to return to the normal interface.
 
5. Set Protection Parameters ON and Threshold:
In the normal interface, press and hold U / I button to enter parameter setting interface. Short press SW button until the protection parameter you want to set appears.
 
LUP: Under-voltage protection threshold
OUP: Over-voltage protection threshold
OCP: Over-current protection threshold
OPP: Over-power protection threshold
OAP: Over-capacity protection threshold
OHP: Timeout protection threshold
OTP: Over-temperature protection threshold
 
Short press the rotary encoder to select which digit of the protection parameter you want to set. Long press the encoder to set protection parameters ON or OFF (Note: Only timeout protection and over-capacity protection can be set on / off, other protection parameters are turned on by default.). Rotate the encoder to change the parameters. After the setting is completed, press and hold U / I button to return to the normal interface.
 
6. Voltage & Current Calibration:
In the normal interface, press and hold U / I button to enter parameter setting interface. Short press SW button until the parameter interface with CAL appears.
 
Interface with CAL + IN + V is the input voltage calibration interface
Interface with CAL + OUT + V is the output voltage calibration interface
Interface with CAL + OUT + A is the output current calibration interface
 
Rotate the encoder left and right to adjust parameters. Press and hold the encoder to confirm that the adjustment is complete. At this time, the parameter value does not flash. Long press the U / I button to return to the normal interface.
 
Attention: To ensure the accuracy of calibration, only when the voltage is over 12V can voltage be calibrated. And only when the current is over 1A can current be calibrated.
 
Note:
- The input terminal IN- of the module must not be short-circuited with the output terminal OUT-, otherwise the constant current function will fail.
- Please ensure that the power of your power supply is greater than the power required by the output load.
- When users need the module to output at full load, input voltage needs to be larger than 8V. When input voltage is 5V, output power is about 15W. The maximum current of module is 4A, which is limited by the maximum output power. For example, if the output is 17V, current should not be greater than 2A.
- When this module is used over 3A, 35W, please strengthen heat dissipation devices.
- The module has input under-voltage protection function. The default value is about 4.8V (can be set). If it is lower than this value, output will be automatically disconnected (Attention: The voltage at the port of module is lower than the under-voltage protection threshold. When input current is relatively large, please not ignore the divided voltage on input wire).
 
Package Included:
- 1 x Buck Boost Converter
 
 
 XYS3580 input DC6.0-36V

100% brand new and high quality
 
Features:
Made of high quality material, solid, durable and good performance, long service life.
A voltage regulator that no matter the input voltage is lower/higher than output voltage, the output voltage can be stable.
It integrates analog adjustment and digital control, and shows the preset voltage/current/power and so on in real time.
Large high definition LCD with 160°wide viewing angle, easy and comfortable reading.
It features both hardware and software protection, safe to use.
The screen supports 4 way rotation, convenient to use.
It also has night rest screen mode, suitable for any conditions.
Smart temperature control fan, thickened radiator, 2 way ventilation, great cooling effect.
It also can used as a common voltage Buck-Boost power supply with over-voltage/over-current/over power/over temperature/under voltage protection.
With constant current function, it can charge the rechargeable battery within 0.6V-36V.
Boost Step Down Converter only, other accessories demo in the picture is not included!
Specification:
Material: ABS, Electronic Components
Size: app.7.9 x 4.2 x 4.1cm/3.11 x 1.65 x 1.61in
Color: Black
Quantity: 1 Pc
 
Product Parameters:
Input Voltage: DC 6.0-36V(Limit low voltage 5.5V, limit high voltage 38V)
Output Voltage: DC 0.6-36V
Output Current: 0.000A-5.000A
Output Power: 80W
Input Current Limit: Max.7A
Current Resolution: 0.001A
Voltage Accuracy: ±0.3% + 1 byte
Current Accuracy: ±0.4% + 3 byte
Capacity: 0-999999Ah
Energy: 0-999999WH
Time: 0-1000 Hours
 
Hardware Protection: Output short circuit protection, short circuit without burning, output anti-backflow, can directly charge the rechargeable battery, without additional anti-backflow diode.
Software Protection: Over voltage protection(OVP), over current protection(OCP), over power protection(OPP), over temperature protection(OTP),input under voltage protection(LVP), power chip self protection(OEP).
Tips: Requirements for full load output power supply: input power supply optional 15-35V, power above 100W
 
Charging Steps:
1. Determine the floating charge voltage and charging current of your rechargeable battery; (if the parameter of lithium battery is 3.7V/2200mAh, the floating charge voltage is 4.2V; if it is 12V rechargeable battery, generally set the floating charge voltage to about 14V)
2. Under no-load condition, set the output voltage to floating charge voltage; (if 3.7V lithium battery is charged, adjust the output voltage to 4.2V)
3. Set the charging current (constant current value) and set the current directly.
4. Connect the battery for charging.
Tips: When charging the battery, the positive and negative poles of the battery should not be connected reversely, which is easy to burn the product!
 
To drive the LED lamp:
1. Determine the working current and maximum working voltage of the led you need to drive;
2. Under no-load condition, set the voltage value and current value to make the output voltage reach the maximum working voltage and current of LED (Note: calculate the power when setting the current, charge within the power range, use over power, and the product will enter the protection state.)
3. Connect led and test the machine.
This product can adjust the constant current value (between 0 - working current) to realize the LED's stepless dimming and no stroboscopic!!
 
Details of interface and key functions:
Short press the "ON/OFF" button to turn on and off the power output, long press the " ON/OFF" button for 2 seconds, the screen can rotate, 360 °four-way rotation.Turn the encoding potentiometer to turn the page quickly.
Press the code potentiometer key briefly to activate the parameter (voltage / current) to be set;
Short press the key of the coding potentiometer to switch between full selection and bit selection;
When all is selected, the blue display will be reversed, and the set voltage / current will be switched through the rotary encoder;
After bit selection, the corresponding bit will be displayed in reverse blue, and parameters will be set by rotating encoder;
After the setting is completed, long press the key of the encoding potentiometer for 2 seconds or more, and no key operation will automatically exit the setting;
All parameters are saved automatically after exiting.
Press the encoding potentiometer key for a short time, and select "capacity / energy / time" for all. After selecting all, the corresponding one will be displayed in reverse blue. Switch the parameters to be cleared by rotating the encoder. After selecting, press the encoding potentiometer key for a short time to clear the corresponding parameters. After selecting, press the encoding potentiometer key for a long time for 2 seconds or over 6 seconds, and the operation without keys will exit automatically.
Press the key of coding potentiometer briefly to activate the parameter to be set;
The switch of parameter name and bit selection is realized by short pressing the key of coded potentiometer;
After selecting the parameter name, the parameter name will be displayed in reverse blue, and the parameter to be set will be switched by rotating the encoding potentiometer;
After bit selection, the corresponding bit will be displayed in reverse blue, and parameters will be set by rotating encoder;
After the setting is completed, long press the key of the encoding potentiometer for 2 seconds or more, and no key operation will automatically exit the setting;
All parameters are saved automatically after exiting.
 
Data Group Function Description:
10 sets of data groups of M0-M9 can be saved. By default, the data group M0 can be saved. Press and hold the key of coding potentiometer for 2 seconds on any interface to quickly call up the M1/M2 data group, and the serial number of the current data group will be displayed at the interface index;
In the power parameter setting interface, select the data group, and rotate the encoding potentiometer to call up the corresponding data group;
After the parameters in the data group are modified and exited, the corresponding parameters will be stored in the current data group by default.
Tips: power output is off by default after data group switching;
Set voltage U-SET:0.6-36V;
Set current I-SET:0-5.1A;
 
Input undervoltage protection LVP default: 4.8V, self setting;
Output overvoltage protection OVP default: 37V, can be set by itself;
Output over-current protection OCP default: 5.2A, can be set by yourself;
Output over power protection OPP default: 81W, self setting;
Maximum operation time OHP: when the parameter is not set to 0, turn on this function. When the operation reaches the set time, the power will automatically turn off the output;
Maximum capacity OAH: when the parameter is not 0, turn on this function, when the capacity reaches the set parameter, the power will automatically turn off the output;
Maximum energy OWH: when the parameter is not 0, turn on this function, when the energy reaches the set parameter, the power will automatically turn off the output;
OHP/OAH/OWH function can well realize timing/quantitative power supply.
Press the encoding potentiometer key briefly to select / switch the parameters to be set. After selection, the parameters will be displayed reversely, and the parameters will be set by rotating the encoder;
After the setting is completed, long press the key of the encoding potentiometer for 2 seconds or more, and no key operation will automatically exit the setting;
All parameters are saved automatically after exiting.
 
Note:
No retail package.
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
Package includes:
1 x Boost Step Down Converter

1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.
3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.

1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.
1.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.
2.Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly.
1. If you have any questions, please feel free to email our service specialists.
2.Just contact us using the " Ask the seller a question" link on eBay.
3.Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.


Am 31.03.21 hat der Verkäufer die folgenden Angaben hinzugefügt:

DataCaciques