Wireless
LED Headlight System (L2SW) www.xenosys.co.kr
7
FEATURES
1. Operating Principle
L2SW adopts the way to deliver DC voltage from the battery to LED device through Step-
Down circuit and generate light speed through the lens. Even though battery voltage is
reduced, L2SW allows LED to provide consistent brightness.
2. Electrical Rating
1) DC Power Supply: Input 100-240 V~ (50-60 Hz, 0.3 A), Output 5 V
, 2.2A
2) Charger: Input-DC5V, 2.2A / Output-DC4.2V, 1.0A
3) Battery Pack (BTPWL): DC3.7V
620mAh (Lithium Polymer)
4) Battery Pack (BTPWS): DC3.7V
380mAh (Lithium Polymer)
3. Protection Classification & Type against Electric Short
1) Protection Classification:
①
LED Control Unit: Battery Operated Equipment
②
Medical power supply: Class II device
2) Protection: N/A
4. Safety Circuit: L2SW contains Latching Power Switch circuit and protection circuit for over
current & overvoltage to keep the charging quantity.
5. Block Diagram: Refer to below figure.
