XY-UDT DC USB Tester DC Boost/Buck Converter CC CV Power Module 5V TO 0.6-30V 2A Adjustable Regulated

Application 1 Power System PER 1 As a common boost and drop power supply with over voltage over current over power over temperature under voltage protection 2 The product has constant current function and can charge all kinds of small rechargeable batteries within 0 6V 30V within 15W Charging step 1 Determine the floating charge voltage and current of your rechargeable battery If the lithium battery parameter is 3 7V 2200mAh the floating charge voltage is 4 2V if it is 12V rechargeable battery the floating charge voltage is generally set to about 14V 2 Under no load condition set the output voltage to reach floating charge voltage If charging 3 7V lithium battery adjust the output voltage to 4 2V only 3 Set charging current constant current value and set current directly Note When setting the current the power should be calculated charged within the power range and the product will enter a protective state if it is used with super power 4 Connect the battery to charge 3 This product has constant current function can directly drive 0 6 30V 0 15W LED lamp Step of driving LED lamp 1 Determine the working current and maximum operating voltage of the LED you need to drive 2 Under no load condition set the voltage and current values to make the output voltage reach the maximum working voltage and working current of the LED 3 Connect the LED and test it This product can adjust the constant current value between 0 and working current to ach