Data Sheet

文件名：技术书
Document Tech. Specification
型号 Model: U3
类型 Type ：USB charger
文件编号 File No.:PSSU3
版本 Edition: A/0
日期 Date:
2017-5-25
©SHENZHEN POWER ADVANCE LIMITED WWW.DLYFULL.COM
Manufacturer reserves the right to alter or amend the design, model and specification without prior notice.
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1.Introduction
Scope
The Specification is applied to the U3, to stipulate the charger’s electrical, appearance, mechanical characteristics and
external environment requirements.
2.Product Characteristics
2.1
It’s Micro USB DC 5V/1A input. It will charge automatically according to power supply.
2.2
The charging currents (500mA/1000mA) will be automatically selected according to battery size. No need to calculate
time to stop charging.
2.3 Suitable for Li-ion 3.7V(26650/22650/26500/18650/17670/18490/17335/16340/14500/10400/18710)
2.4 0V activation function (for battery with protection board)
2.5
Several parameters detection, with over-charging, short circuit, intelligent recognize and battery reverse protect
function.
3.Input-Output Characteristics
3.1 Input Characteristics:
3.1.1 DC 5V/1A, 5V/2A
3.2 Output Characteristics:
Intelligent current direction of U3
Channel
Input
Channel 1
Channel 2
Charging current
exist
battery
battery size
exceed 65mm
exist
battery
battery size
exceed 65mm
current of
channel 1
current of channel
2
5V/1A
yes
no
no
no
500mA
0
yes
yes
no
no
1000mA
0
no
no
yes
no
0
500mA
no
no
yes
yes
0
1000mA
yes
no
yes
no
500mA
500mA
yes
yes
yes
yes
500mA
500mA
5V/2A
yes
no
no
no
500mA
0
yes
yes
no
no
1000mA
0
no
no
yes
no
0
500mA
no
no
yes
yes
0
1000mA
yes
no
yes
no
500mA
500mA
yes
yes
yes
yes
1000mA
1000mA