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Digital Display 5-30V Buck-Boost Power Supply Module with Power Measurement

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  • Model :
  • RKI-4663
₹1,404 (Incl. GST)
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Overview:

  • Voltmeter Ammeter Adjustable

  • With Digital Display 

  • Input voltage: 5.5 -30V

  • Output voltage: 0.5-30V  

  • Output power: natural heat dissipation 35W, enhanced heat dissipation 50W

  • Output current: can work stably at 3A for a  long time , and can reach 4A under enhanced heat dissipation

  • Voltage display resolution: 0.05V

  • Current display resolution: 0.005A

Description:

The module has IN/OUT, ON/OFF two buttons. IN/OUT button switches input voltage and output voltage display, long press can switch output current output power display and ON/OFF button control output is ON or OFF, long press can Set the default output state of the next power-on to be ON or OFF.

 

CC is the current setting potentiometer, clockwise rotation, can increase the set current, when the load current reaches the set current, enter the constant current state, the CC constant current indicator (red) lights up and the right CV is the voltage setting. The potentiometer rotates clockwise to increase the output voltage. The ON indicator is an output status indicator that lights up when there is voltage at the output, otherwise it is off.

Features:

  • Liquid crystal can display input and output voltage, output current output power

  • The input end is anti-reverse protection, and the reverse connection will not burn

  • It can be boosted, can be stepped down, the output voltage is 0.5-30V and the current limit is 0-4A

  • The output end is anti-backflow, and there is no need to add an anti-backflow diode when charging the battery

  • Press the button to control the output ON/OFF state, and you can set the power-on default to ON or OFF

  • Using the buck-boost chip as the main controller, the external 60V 75A MOS tube is used as the switch tube, and the double 60V 5A SS56 Schottky is used for rectification, with sufficient voltage resistance and sufficient power, which is superior to the XL6009/LM2577 immature solution on the market. 

  • The output ripple is small and there is LC filtering

Specifications:

  • Input voltage: 5.5 -30V (when the input voltage is 5V, the buck-boost can also be realized, but the voltage and current measurement is not accurate; below 4.7V, under-voltage protection ) 

  • 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, enhanced heat dissipation 50W

  • Voltage display resolution: 0.05V

  • Current display resolution: 0.005A

  • Conversion efficiency: about 88%

  • Input reverse connection protection: Yes

  • Output end anti-backflow: Yes

  • Short circuit protection: Yes

  • Working frequency: 180KHZ

  • Size: length * width * height 66 * 48 * 21mm 

  • Mounting hole: diameter 4mm

  • Weight: 46 g

Instructions:

1). Use as a common buck-boost module with overcurrent protection

  • Adjust the CV constant voltage device so that the output voltage reaches the voltage you want.

  • Use the multimeter 10A current file to measure the output short-circuit current (directly connect the two test leads to the output terminal), and adjust the CC constant current potentiometer to make the output current reach the predetermined overcurrent protection value. (For example, if the current value displayed by the multimeter is 2A, then the maximum current can only be 2A when you use the module, and the red constant voltage constant current indicator will be on when the current reaches 2A, otherwise the indicator will be off)

Note: When using in this state, there will be a voltage drop of 0~0.2V after the load is connected, and there will be a certain voltage drop on the input and output wires when the current is high. This is normal.

2). Use as a battery charger

Modules without constant current function cannot be used to charge the battery. Because the voltage difference between the battery and the charger that consumes electricity is too large, the charging current is too large, causing damage to the battery. Therefore, the battery should be used at the beginning. Stream charging, when the charging reaches a certain level, it automatically switches back to constant voltage charging.

  • Determine the float voltage and charge current you need to charge the battery (if the lithium battery parameter is 3.7V/2200mAh, then the float voltage is 4.2V, the maximum charge current is 1C, ie 2200mA) 

  • Under no-load conditions The multimeter measures the output voltage, adjusts the constant voltage position device to make the output voltage reach the float voltage (If charging the 3.7V lithium battery, adjust the output voltage to 4.2V) 

  • Measure the output short-circuit current with the multimeter 10A current file. (Directly connect two test leads to the output terminal), and adjust the constant current potentiometer to make the output current reach the predetermined charging current value

  • Connect the battery and charge.

Steps 1, 2, and 3 are: Input terminal is connected to the power supply, and the output terminal is not connected to the battery.

3). As a high power LED constant current drive module

  • Determine the operating current and maximum operating voltage at which you need to drive the LEDs

  • Under no-load conditions, the multimeter measures the output voltage, and adjusts the constant voltage positioner to make the output voltage reach the maximum working voltage of the LED

  • Measure the output short-circuit current with the multimeter 10A current file, and adjust the constant current potentiometer to make the output current reach the predetermined LED operating current

  • Connect the LED and test the machine.

Steps 1, 2, and 3 are: Input is connected to the power supply, and the output is not connected to the LED.

Note: When using this module over 3A, 35W, please strengthen the heat.

Precautions:

  • Module input IN-disable and output OUT- short circuit, otherwise the constant current function will be invalid

  • Please ensure that the power of the power supply is greater than the power required by the output load

  • If the module wants full load output, the input voltage should be 8V or more. When the input voltage is 5V, the output power is about 15W, and the voltage ammeter fails. The module current value is up to 4A, subject to the maximum output power, such as output 17V, the current should be no more than 2A

  • The module has output short-circuit protection. After short-circuit protection, the module automatically turns off the output, and the module can be restored after power-on. If your power supply has no output current-limit protection, it is recommended to connect the fuses in the front end of the module to improve the safety factor

  • The module has input undervoltage protection function. The default is about 4.7V. After this value is lower, the output will be automatically disconnected and the module can be restored after power-on (note that the voltage at the module port is larger when the input current is larger. Do not ignore the partial pressure on the input wire)

Package Included:

  • 1 x Digital Display Buck-Boost Power Supply Module Board Voltmeter Ammeter Adjustable

 

  • Model : RKI-4663


Digital Display 5-30V Buck-Boost Power Supply Module with Power Measurement
Rs. 1404 In Stock
Overview: Voltmeter Ammeter Adjustable With Digital Display  Input voltage: 5.5 -30V Output voltage: 0.5-30V  
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