LCD Digital Display Buck-Boost Power Supply Module Board Constant Voltage Constant Current Crystal Voltmeter Ammeter Adjustable

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$15.99

Ex Tax: $15.99

Stock: In Stock
Model: EB0044310
SKU: EB0044310

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Product Description

-LCD can display input and output voltage, output current output power;

-Anti-reverse protection at the input end, reverse connection will not burn;

-Can be boosted, can be stepped down, output voltage 0.5-30V arbitrary regulation, limit current 0-4A arbitrary regulation;

-Anti-backflow at the output end, no additional anti-backup diode is required to charge the battery;

-The button controls the ON/OFF status of the output, and can be set to default to ON or OFF.

-Using buck-boost chip as the main controller, external 60V 75A MOS tube as switch, dual 60V 5A SS56 Schottky rectifier, 60V voltage value, better than the market XL6009/LM2577 immature program (many devices resistance Insufficient voltage value, MOS tube and Schottky diode withstand voltage must be greater than the input plus input voltage value);

-Output ripple is small, with LC filter;

-Contain heat sink, send module support isolation column.

Product Parameters:

Input voltage: 5.5-30V (When the input voltage is 5V, buck-boost can also be achieved, but the voltage and current measurements are inaccurate; under 4.7V, undervoltage protection)

Output voltage: 0.5-30V

Output current: Can work stably in 3A for a long period of 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%

Soft start: Yes (high power load module may fail at startup)

Reverse input protection: Yes

Anti-backflow at the output: Yes

Short circuit protection: Yes

Working frequency: 180KHZ

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

Mounting hole: diameter 4mm

Weight: 46g

Function Description:

Module has IN/OUT, ON/OFF two buttons: IN/OUT button to switch the input voltage and output voltage display, long press to switch the output current output power display; ON/OFF button control output ON or OFF, long press to set The power-on default output state is 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, CC constant current indicator (red) lights up; right CV is the voltage setting potentiometer , Rotate clockwise to increase the output voltage. The ON indicator is the output status indicator. It is on when the output has a voltage, otherwise it is off.

Precautions:

The module input IN- is prohibited from being shorted with the output OUT-, otherwise the constant current function is disabled.

Please ensure that the power supply power is greater than the output load power required!

If the module wants to fully load the output, the input voltage should be more than 8V. When the input voltage is 5V, the output power is about 15W, and the voltage and current meter is invalid. The maximum current value of the module is 4A. The precondition is limited by the maximum output power. For example, if the output is 17V, the current should not exceed 2A.

The module has output short-circuit protection. After the short-circuit protection, the module automatically shuts off the output. The module can be restored after the module is powered on again. If your power supply has no output current limiting protection, it is recommended to connect the fuse at the input of the module to improve the safety factor.

The module has input undervoltage protection function, the default is about 4.7V. Below this value, the output will be automatically disconnected, and the module can be restored after the module is re-powered (note that the module port voltage, when the input current is relatively large, Do not ignore the partial pressure on the input conductor.)

Package Included:

1 x Buck-Boost Power Supply Module Board

LCD-Digital-Display-Buck-Boost-Power-Supply-Module-Board-Constant-Voltage-Constant-Current-Crystal---1348847

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Tags: Power , LED