LCD Display Automatic Buck-Boost Module 4A Adjustable CC/CV Lithium Battery Charging Voltage And Power DisplayItem NO.: MK01337

LCD Display Automatic Buck Boost Module 4A

Product Highlights:

1. LCD can display input and output voltage, output current and output power;

2. Input end anti reverse connection protection, reverse connection will not burn out;

3. It can be boosted or lowered, with an output voltage of 0.5-30V that can be adjusted arbitrarily, and a current limit of 0-4A that can be adjusted arbitrarily;

4. The output end is anti backflow, and there is no need to add an anti backflow diode when charging the battery;

5. Press the button to control the ON/OFF status of the output terminal, and it is possible to set the power on default to ON or OFF;

6. Using a voltage regulator chip as the main controller, an external 60V 75A MOS transistor as the switch tube, and a dual 60V 5A SS56 Schottky rectifier, it has sufficient voltage resistance and power, which is superior to the immature XL6009/LM2577 solutions on the market (many devices cannot achieve voltage and current resistance performance);

7. Low output ripple with LC filtering;

Product Parameters:

● Input voltage: 5.5-30V (When the input voltage is 5V, voltage rise and fall can also be achieved, but the measurement of voltage and current is not accurate; when it is lower than 4.7V, undervoltage protection is provided)

● Output voltage: 0.5-30V

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

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

● Voltage display resolution: 0.05V

● Current display resolution: 0.005A

● Conversion efficiency: around 88%

● Input reverse protection: Yes

● Output end anti backflow: Yes

● Short circuit protection: Yes

● Operating frequency: 180KHZ

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

● Installation hole: diameter 4mm

● Weight: 46g

Function Description:

● The module has two buttons: IN/OUT and ON/OFF: the IN/OUT button switches the display of input voltage and output voltage, and long press can switch the display of output current and output power; The ON/OFF button controls the output to be ON or OFF. Long press can set the default output state to be ON or OFF for the next power on.

● CC is the current setting potentiometer, which can be rotated clockwise to increase the set current. When the load current reaches the set current, it will enter the constant current state, and the CC constant current indicator light (red) will light up; The CV on the right is the voltage setting potentiometer. Rotate it clockwise to increase the output voltage. The ON indicator light is an output status indicator light that lights up when there is voltage at the output terminal, otherwise it goes off.