50W LED Light Control Board with Lithium Battery Charging Function


The 50W item is applied to the LED control board of the lithium battery power supply system. The product has a lithium battery charging management system, LED dimming control part, and USB charging interface module. The main features are as follows

  • Support 50W LED constant current control, high efficiency (typical efficiency 95%)
  • Support LED dimming
  • With charging overvoltage protection
  • With discharge Undervoltage protection
  • Synchronous rectification architecture, high charging efficiency (typical efficiency 96.6%)
  • With charger input reverse connection protection
  • Very low standby current when powered by battery: <15uA
  • With battery indicator
  • The double-sided PCB layout makes it more reliable.
  • With LED load detection function, when the switch sets the product to LED lighting mode, if the LED is not connected for 2 hours, it will sleep

Technical Parameter

Charging Part
  • Input voltage: 24-36VDC
  • Input current: 2.0A
  • Charger anti-reverse connection: yes
  • Charging efficiency: 96.6% (Typical)
  • Charging voltage: 21.00V ±1% (5 lithium batteries)
  • Battery low voltage trickle charge current: 200mA
USB Interface Part
  • USB output voltage: 5V
  • USB port output current: 1000mA
  • Support mobile phone charging function: Apple/Android
  • No-load access: sleep
LED Lighting Part
  • LED Power 50W
  • LED terminal current ripple <15% (camera shooting does not flicker)
  • Brightness adjustment: Off/10%/50%/75%/100%
  • Over-temperature protection
  • Short circuit protection
  • Low battery voltage protection value: 13.5V
  • Campfire
  • High bay light
  • Portable mobile lighting fixture