{"product_id":"bmt-dc-dc-buck-lipo-chg-1-25-36v","title":"BMT DC\/DC BUCK\/LIPO CHG 1.25-36V","description":"\u003cdiv class=\"communicaintro\"\u003e\u003cspan\u003e3 Stage\/ Function: CC LED Driver, Buck Module and LIPO Charger I\/P 4-38V O\/P 1.25-36V 5A ADJ. Constant Current \u0026amp; Voltage. Do Not Combine I\/P and O\/P Ground\u003c\/span\u003e\u003c\/div\u003e\u003ch1\u003eStep-Down Power Module 5A\u003c\/h1\u003e\u003cdiv class=\"communicadesc\"\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cdiv\u003eWhen you use this product, the module inputs must be kept isolated and not tied together.\r\nIf the Input\/Output grounds is tied together it will bypass the board power current sense resistor\r\nand the module will not be able to sense and regulate the current and it will blow the chip.\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eThis module is easy to use, powerful\u003c\/p\u003e\r\n\r\n\u003cp\u003eA module has three major features to meet most of your occasions\u003c\/p\u003e\r\n\r\n\u003cp\u003eModule Description:\u003c\/p\u003e\r\n\r\n\u003cul\u003e\n\u003cli\u003eHigh power, high efficiency, 5A, low ripple;\u003c\/li\u003e\r\n\u003cli\u003eTriple:\u003c\/li\u003e\r\n\u003cul\u003e\n\u003cli\u003eUse as a normal blood pressure modules with overcurrent protection capability;\u003c\/li\u003e\r\n\u003cli\u003eas the various voltage lithium batteries, batteries, nickel-cadmium nickel-metal hydride batteries (battery) charger for solar panels, wind turbines and other occasions;\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cli\u003eis used as a high-power LED constant current drive module;\u003c\/li\u003e\r\n\u003cli\u003eWith constant pressure and constant current modes, there are light indicates which mode is currently in module;\u003c\/li\u003e\r\n\u003cli\u003eWhen used as a lithium battery charger, you can set the float voltage and the charge current size, there is light indicates is being charged or has been filled;\u003c\/li\u003e\r\n\u003cli\u003eHas the current limit protection, output short circuit even if it will not burn module.\u003c\/li\u003e\r\n\u003cli\u003eThis module uses machine placement, reflow soldering, and each module shipments have been two hours before the aging tests to ensure high reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eFirst, the module parameters\u003c\/p\u003e\r\n\r\n\u003cul\u003e\n\u003cli\u003eInput: IN + input positive, IN- input negative\u003c\/li\u003e\r\n\u003cli\u003eOutput way: OUT + output positive, OUT- output negative\u003c\/li\u003e\r\n\u003cli\u003eInput voltage: 4-38V\u003c\/li\u003e\r\n\u003cli\u003eOutput voltage: 1.25-36V continuously adjustable\u003c\/li\u003e\r\n\u003cli\u003eOutput current: adjustable, maximum 5A\u003c\/li\u003e\r\n\u003cli\u003eOutput Power: 75W maximum\u003c\/li\u003e\r\n\u003cli\u003eWorking temperature: -40 to + 85 degrees\u003c\/li\u003e\r\n\u003cli\u003eOperating frequency: 180KHz\u003c\/li\u003e\r\n\u003cli\u003eConversion efficiency: up to 96%\u003c\/li\u003e\r\n\u003cli\u003eShort circuit protection: Yes (limit current 8A)\u003c\/li\u003e\r\n\u003cli\u003eOvertemperature protection: (automatically shut off the output after overtemperature)\u003c\/li\u003e\r\n\u003cli\u003eInput reverse polarity protection: None, (if necessary, please enter the string into the high current diode)\u003c\/li\u003e\r\n\u003cli\u003eInstallation: four 3mm screws\u003c\/li\u003e\r\n\u003cli\u003eModule dimensions: length 51mm width 26mm height 15mm\u003c\/li\u003e\r\n\u003cli\u003eWeight: 23g\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eSecond, the application\u003c\/p\u003e\r\n\r\n\u003cli\u003eUse as a normal blood pressure modules with overcurrent protection capability\u003c\/li\u003e\r\n\r\n\u003cp\u003eInstructions:\u003c\/p\u003e\r\n\r\n\u003cli\u003econstant pressure regulator potentiometer, the output voltage reaches the voltage value you want\u003c\/li\u003e\r\n\u003cli\u003e10A current with a multimeter measuring the output short circuit current file (directly to the two leads to the output can), while adjusting the constant current potentiometer allows the output current reaches a predetermined value of overcurrent protection. (Such as the current value of the multimeter displays 4A, then you can use the module to the maximum current 4A, 4A current to constant voltage constant current when the red light is on, otherwise the light off)\u003c\/li\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eNote: When used in this state, since the output of 0.05 ohm current sense resistor, there will be 0 ~ 0.3V voltage drop after connected to the load, this is normal! This drop is not being pulled down your load, but down-sampling resistor.\u003c\/b\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003eUse as a battery charger\u003c\/p\u003e\r\n\r\n\u003cp\u003eModule without constant function can not be used to charge the battery, since the end of the battery and charger power consumption big difference between charging current is too large, resulting in damage to the battery, so when you want to start the battery using a constant current charging, when charging to a certain extent automatically switches back to constant voltage charging.\u003c\/p\u003e\r\n\r\n\u003cp\u003eInstructions:\u003c\/p\u003e\r\n\r\n\u003col\u003e\n\u003cli\u003eMake sure you need to recharge battery float voltage and charging current; (if lithium argument is 3.7V \/ 2200mAh, then float voltage is 4.2V, the maximum charging current 1C, namely 2200mA)\u003c\/li\u003e\r\n\u003cli\u003eunder no-load conditions, the multimeter to measure the output voltage of the constant voltage potentiometer to adjust the output voltage reaches the float voltage; (if rechargeable lithium battery to 3.7V, the output voltage can be adjusted to 4.2V)\u003c\/li\u003e\r\n\u003cli\u003e10A current with a multimeter measuring the output short circuit current file (directly to the two leads to the output can), while adjusting the constant current potentiometer allows the output current reaches a predetermined charge current value;\u003c\/li\u003e\r\n\u003cli\u003eCharging turn lamp current default factory setting is 0.1 times the charging current; (the battery during charging current is gradually reduced, gradually converted to constant voltage charging by the constant current charging, if the charging current setting is 1A, then when Charge current is less than 0.1A when the blue light off, green light is on, then the battery is fully charged)\u003c\/li\u003e\r\n\u003cli\u003econnected to the battery charge.\u003c\/li\u003e\r\n\r\n\u003cp\u003e(1,2,3,4 step is: input termination power, output unloaded battery is not connected)\u003c\/p\u003e\r\n\r\n\u003cp\u003eUse a high-power LED constant current driver module\u003c\/p\u003e\r\n\r\n\u003col\u003e\n\u003cli\u003edetermine the work you need to drive the LED current and the maximum operating voltage;\u003c\/li\u003e\r\n\u003cli\u003eNo-load condition, the multimeter to measure the output voltage of the constant voltage potentiometer to adjust the output voltage reaches the LED maximum working voltage;\u003c\/li\u003e\r\n\u003cli\u003e10A current with a multimeter measuring the output short-circuit current gear while adjusting the constant current potentiometer allows the output current reaches a predetermined LED working current;\u003c\/li\u003e\r\n\u003cli\u003econnected to the LED, the test machine.\u003c\/li\u003e\n\u003c\/ol\u003e\r\n\r\n\u003cp\u003e(Steps 1 through 3 are: input connected to the power supply, the output load is not connected LED.)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eNote: This module is more than 3A, 35W in use, to enhance heat dissipation\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAdditional Information\u003c\/h2\u003e\n\u003cdiv\u003e\u003ctable border=\"1\" cellpadding=\"7\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice\u003c\/td\u003e\n\u003ctd\u003eModule\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eStep-Down | Power | 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Communica","offers":[{"title":"Default Title","offer_id":44755764150316,"sku":"BMT DC\/DC BUCK\/LIPO CHG 1.25-36V","price":47.83,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/5376\/1068\/files\/bmt-dcdc-bucklipo-chg-125-36v-3480909.jpg?v=1757332132","url":"https:\/\/xytron.ae\/ar\/products\/bmt-dc-dc-buck-lipo-chg-1-25-36v","provider":"Xytron","version":"1.0","type":"link"}