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Hand-crank Fuel Pump
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The UBEC is an advanced switching regulator |
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The UBEC is an advanced switching regulator, provides over-current and over-heat protection function, and the witching frequency is 300KHz.The max efficiency of this chip is 92%
-The smallest size and the lightest weight.
-Don¡¯t worry about the polarity of battery pack, if the polarity is not correct, the UBEC can¡¯t work, but it will not be destroyed. What you need to do is just swap the battery pack polarity.
-A shield covers almost all the electronic components on PCB, and a ferrite ring is attached with the output wires to decrease the electromagnetic interference.
-Co***re linear BEC with switch-mode BEC: When using a lithium battery pack more than 3s, a switch-mode BEC has much higher efficiency than linear BEC.
-For a traditional linear BEC: For example£¬a 4s lithium battery pack has a typical voltage of 14.8V, in order to let BEC outputs 5V/1A, the current flow into BEC is at least 1A, so the power on BEC is 14.8V* 1A=14.8W. But the useful output power is only 5V*1A=5W, so the efficiency of BEC is 5W/14.8W=33.8%, the redundant power 14.8W-5W=9.8W changes to heat, which makes the BEC very hot.
-For a switch-mode BEC: In the above case, in order to let BEC outputs 5V/1A, the current flow into BEC is only 0.38A (actual test data), so the power on BEC is 14.8V* 0.38A=5.6W, and the efficiency of BEC is 5W/5.6W=89.3%..
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| Company: |
China Feixiang Industrial Co.Ltd
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| Contact: |
Ms. Ling Yeung |
| Address: |
Room 510,South Shang Bu Gong Mao Building,Zhen Xing Road,Shenzhen,China |
| Postcode: |
518031 |
| Tel: |
86-755-82601583 |
| Fax: |
86-755-82601583 |
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