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User Manual of 5A HV－UBEC

1. User Manual of 5A HV UBEC 5 Amps High Voltage Switch Mode UBEC 1 Why do you need a high voltage UBEC The 5A HV UBEC is a switch mode DC DC regulator supplied with a 3S to 10S Lipo battery pack and outputs a consistent safe power for your receiver gyro and servos It is very suitable for big electric RC models such as fixed wing aircrafts and helicopters which use more than 4 cells lithium battery Using this UBEC the receiver can obtain the power supply directly from the main battery pack so the additional battery pack for receiver is unnecessary Compared with the linear mode UBEC the overall efficiency of the switch mode UBEC is much higher so it can extend the working time of the receiver battery pack and because a switch mode UBEC can significantly reduce the heat emission it can avoid the loss of control caused by the over heat problem which is frequently happened with the linear mode UBEC 2 Specification 2 1 Output Voltage 5V or 6V Changeable with an jumper 2 2 Continuous output current 5 Amps 2 3 Burst output current 7 5 Amps 2 4 Input 8V 42V 3 10 cells lithium battery pack 2 5 Quiescent current 20mA 2 6 Size 48mm 27mm 9mm length width height 2 7 Weight 30g 3 Features 3 1 Designed with an advanced switch mode DC DC regulator IC the max efficiency of the chip is up to 92 3 2 The output current is very large the continuous output current is up to 5 Amps and the burst output current i
2. s Pin1 the middle one is Pin2 and the bottom one is Pin3 If the switch is located at Pin1 and Pin2 the output is 6V If the switch is located at Pin2 and Pin3 the output is 5V 6 2 Working status indicator LED The LED shows the status of the UBEC When it lights it means the UBEC has the normal output If it couldn t light please check the battery connections 6 3 Turn on or turn off the UBEC Push the switch to the ON position to turn on the UBEC Push the switch to the OFF position to turn off the UBEC 6 4 About the 0 7V step down voltage regulator This 0 7V regulator is used for servos cannot work with 6V including Futaba servo 9241 9251 9253 9254 9255 9256 and etc It changes the voltage from 6V to 5 3V When the UBEC output is set to 6V please connect the regulator between the receiver and the above servos If you are using a servo can work with 6V input the 0 7V regulator is unnecessary
3. s up to 7 5 Amps 3 3 Output short circuits protection function 3 4 A metal shield covers almost all the electronic components and a filter ferrite ring is attached with the output wires to significantly reduce the electromagnetic interference 3 5 Ultra wide input voltage from 8V 42V 3 6 Safe power on with the polarity protection function If the input polarity is not correct the UBEC can t work but it will not be damaged What you need to do is just swapping the battery pack s polarity 3 7 Shows the working status with an indicator LED it lights when the output is in normal range 3 8 A switch to turn on or turn off the output 3 9 Accessory A step down voltage regulator with 0 7V down from 6 0V to 5 3V HW SM811DUL 20130412 4 Wiring Input Output REE Switch 5A UBEC 6V 5V Jumper for output voltage selection 5 About RF interference Although we have tried our best to reduce the electromagnetic interference caused by switch model UBEC it may still cause some interference to the receiver So please install the filter ferrite ring far away from the UBEC s main board and DON T stack the filter on the main board Please put the whole UBEC as far as possible away from the receiver 6 How to Use the UBEC 6 1 Change the output voltage The output voltage is chosen by a jumper Please look at the upper picture there are 3 pins at the right corner the upper one i

User Manual of 5A HV－UBEC

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