{"product_id":"adjustable-constant-voltage-constant-current-liquid-crystal-lcd-multi-display-pcb","title":"Adjustable Constant Voltage Constant Current Liquid Crystal LCD Multi-Display, PCB – TPU","description":"\u003cp\u003eAdjustable Constant Voltage Constant Current Liquid Crystal LCD Multi-Display, PCB – TPU.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInput voltage: 6.5-36V (the input voltage is lower than 6.5V, the current accuracy is inaccurate, and the LCD display is abnormal if it is lower than 5.5V)\u003c\/li\u003e\n\u003cli\u003eOutput voltage: 1.2-32V, the default output is 5V step-down type, the output voltage can only be lower than the input voltage, and the voltage difference is...\u003c\/li\u003e\n\u003cli\u003eOutput current: It can work stably at 3.5A for a long time, and it can reach about 4.5A with fan enhanced heat dissipation (adjustable limit current can...\u003c\/li\u003e\n\u003cli\u003eOutput power: natural heat dissipation 50W (within 3.5A), plus fan to enhance heat dissipation 75W\u003c\/li\u003e\n\u003cli\u003eVoltage display: resolution 0.05V, range 1.2-32V\u003c\/li\u003e\n\u003cli\u003eCurrent display: resolution 0.005A, range 0-4.5A\u003c\/li\u003e\n\u003cli\u003eConversion efficiency: about 94%, depending on the voltage difference and current efficiency\u003c\/li\u003e\n\u003cli\u003eWorking current: about 30mA\u003c\/li\u003e\n\u003cli\u003eInput reverse polarity protection: yes\u003c\/li\u003e\n\u003cli\u003eAnti-backflow at the output: no (if charging the battery, first power on the module and then connect the battery, and ensure that the battery voltage is...\u003c\/li\u003e\n\u003cli\u003eShort circuit protection: yes\u003c\/li\u003e\n\u003cli\u003eSize: about 70.5x48.4x28mm\u003c\/li\u003e\n\u003cli\u003eWeight: about 65g\u003c\/li\u003e\n\u003cli\u003eFeatures:\u003c\/li\u003e\n\u003cli\u003eCrystal shell, beautiful design, good touch texture of buttons, and output voltage set by button\u003c\/li\u003e\n\u003cli\u003eThe button can control the output to turn off and on, and can set the power-on default to ON or OFF\u003c\/li\u003e\n\u003cli\u003eLCD can display input and output voltage, output current and output power\u003c\/li\u003e\n\u003cli\u003eThe input terminal is protected against reverse connection, and the reverse connection will not burn\u003c\/li\u003e\n\u003cli\u003eHigh efficiency, high current, low heat generation, constant current value can be adjusted around 0-4.5A, suitable for office power supply, high-power LED...\u003c\/li\u003e\n\u003cli\u003eFunction Description:\u003c\/li\u003e\n\u003cli\u003eThere are IN\/OUT and ON\/OFF buttons on the left side of the module: the IN\/OUT button switches the display of input voltage and output voltage, long press...\u003c\/li\u003e\n\u003cli\u003eThere are +\/- two buttons on the right side of the module: + button press the output voltage to increase 0.05V, long press to continuously increase, and...\u003c\/li\u003e\n\u003cli\u003eADJ-I is the current setting potentiometer. Turn clockwise to increase the set current. When the load current reaches the set current, it enters the...\u003c\/li\u003e\n\u003cli\u003eInstructions:\u003c\/li\u003e\n\u003cli\u003eUse as an ordinary step-down module with overcurrent protection capability\u003c\/li\u003e\n\u003cli\u003e- Press the button to set the output voltage to the desired voltage value\u003c\/li\u003e\n\u003cli\u003e- Rotate the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of...\u003c\/li\u003e\n\u003cli\u003eUse as a battery charger\u003c\/li\u003e\n\u003cli\u003e- The module without constant current function cannot be used to charge the battery. Because the voltage difference between the exhausted battery and the...\u003c\/li\u003e\n\u003cli\u003e- Determine the float voltage and charging current of the battery to be recharged; (if the lithium battery parameter is 3.7V\/2200mAh, then the float voltage...\u003c\/li\u003e\n\u003cli\u003e- Under no-load conditions, the output voltage of the button reaches the floating charge voltage; (if charging a 3.7V lithium battery, adjust the output...\u003c\/li\u003e\n\u003cli\u003e- First turn the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current...\u003c\/li\u003e\n\u003cli\u003e- Connect the battery and charge (when setting: no battery is connected to the output terminal)\u003c\/li\u003e\n\u003cli\u003eUsed as a high-power LED constant current driver module\u003c\/li\u003e\n\u003cli\u003e- Determine the operating current and operating voltage needed to drive the LED\u003c\/li\u003e\n\u003cli\u003e- Under no-load conditions, press the button to set the output voltage to reach the LED working voltage\u003c\/li\u003e\n\u003cli\u003e- First turn the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current...\u003c\/li\u003e\n\u003cli\u003e- Connect the LED, test the machine (when setting: output no-load, do not connect the LED light)\u003c\/li\u003e\n\u003cli\u003ePrecautions:\u003c\/li\u003e\n\u003cli\u003eIt is forbidden to short-circuit the input IN- of the module with the output OUT-, otherwise the constant current function will fail\u003c\/li\u003e\n\u003cli\u003eMake sure that the power of the power supply is always greater than the power required by the output load. When the module is seriously hot, please reduce...\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePackage Info:\u003c\/strong\u003e Weight: 0.07kgs \/ 0.16lb, Size: 10cm * 10cm * 3cm \/ 3.94inch * 3.94inch * 1.18inch\u003c\/p\u003e\u003cp\u003eShipping: Shipping charges and final delivery dates are shown at checkout.\u003c\/p\u003e","brand":"Mira Sales","offers":[{"title":"PCB","offer_id":64308502987129,"sku":"TBD0602079801A","price":10.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/9858\/7769\/files\/TBD0602079801A.jpg?v=1787161672","url":"https:\/\/marketvia360.com\/products\/adjustable-constant-voltage-constant-current-liquid-crystal-lcd-multi-display-pcb","provider":"MarketVia360 ","version":"1.0","type":"link"}