DC-DC Converter 20A 300W Step Down Buck-Boost Power Adjustable Charging Board

Feature:
1: Made of high-quality material, more durable.
2: High-frequency electrolytic capacitor with low resistance, low resistance, stable output.
3: Module features: Synchronous rectification, non-isolated buck, constant current and constant voltage module, CC-CV charging module.
4: Application area: High-performance LED constant current drive, charging of lithium batteries (including ferroelectrics), charging of 4 V, 6 V, 12 V, 14 V, 24 V batteries,
Charging of Ni-Cd-Ni-MH batteries (accumulators), solar panels, wind turbines.

Method for adjusting the output current:
1. Adjust the CV potentiometer and set the output voltage to the voltage value you need according to your load requirements.
2. Set the CC potentiometer approximately 30 turns counterclockwise (i.e., set the output current to the minimum), connect the LED, and adjust the CC potentiometer to the required current.
To recharge the battery after it is completely discharged, connect it to the output and adjust the CC to the required current. (The higher the setting, the lower the charging current.)

Special features:
Condition: 100% brand new
Input voltage: DC6-40V
Output voltage: Continuously adjustable (1.2-35 VDC) for extended periods below 32 V (suitable for applications where the input voltage is higher than the output voltage and cannot be amplified)
Output current: Maximum 20 A within 15 A for extended periods (please add a fan for heat dissipation if the power tube temperature exceeds 65 degrees, and use a power reduction for the high-voltage output)
Current limiting range: 0.2-20 A (setting). If the module exceeds 65 degrees, please add a fan.
Minimum dropout voltage: 3V
Operating frequency: 150 kHz
Conversion efficiency: Up to approximately 96%. Efficiency depends on the pressure differential and the operating environment.
Output ripple: Approximately 50 mV ripple (no noise) 20 M bandwidth (for reference only) Input 24 V measured
Operating temperature: -10℃ to +75℃ (Please monitor the temperature of the power tube during actual use; if the temperature is too high, please increase heat dissipation or reduce usage)
Potentiometer adjustment direction: Clockwise (increase), counterclockwise (decrease)
Output short-circuit protection: yes (immediate protection) Constant current (the currently set constant current value cannot be short-circuited for long)
Reverse polarity protection input: None
Output backflow prevention: None; an external 2-pole tube is required for self-charging or inductive loads!
Wiring method: terminal block
Module size: 60 * 53 * 30 mm/2.36 * 2.09 * 1.18 inches

Wiring instructions:
OUT+: Positive output
OUT-: Negative output
+IN: Positive input
-IN: Enter a negative number
CV: Output voltage regulation
CC: Output current control
EN: Enable, low level closes output; Pause, high voltage level active
When input and output are grounded, CV outputs a constant voltage without a load, CC outputs a constant current.

Note:
1. Please allow 1-3 mm difference due to manual measurement.
2. The color of the object shown in photos may differ slightly on your computer monitor because monitors are not calibrated the same.

Package contents:
1 x Converter