50W Lithium Battery Charging LED Lighting Control Board with Bluetooth/Radio/USB Flash Disk Play Function
Description
The 50W PCB is a LED control board used in a lithium battery power supply system. The product has a lithium battery charging management system, LED dimming control part, USB charging interface module, FM radio module, USB audio playback, Bluetooth connection audio playback.
Characteristic
- Support Bluetooth 4.0 connection
- FM FM radio 88MHz-108MHz
- Support U disk music player function
- USB interface supports U disk / mobile phone charging automatic recognition function
- Support 30W LED constant current control, high efficiency (typical efficiency 95%)
- Support LED dimming
- With charging overvoltage protection,
- With discharge Undervoltage protection
- High charging efficiency (typical efficiency 96%)
- 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
Bluetooth
- 156MHz 32-bit RISC processor core internal ROM internal RAM for data and programming
- Bluetooth 4.2
- Compatible with Bluetooth V4.1/V4.0/2.1+EDR
- Support AFH to dynamically detect channel quality to improve Bluetooth transmission quality
- Maximum Bluetooth transmit power: >4dBm
- Bluetooth receiving sensitivity: <-88dBm
- Built-in high-performance DAC and ADC
Radio
- Radio Frequency: FM 88-108MHz
- Superior sensitivity: better than 1.5uVemf
- Stereo signal to noise ratio: 0.03%THD
- L/R channel separation: >45dB
USB interface
- Support music format: MP3/WQV/WMA/APE/FLAC
- USB output voltage: 5V
- USB port output current: 1000mA
- Support mobile phone charging function: Apple/Android
Audio amplifier
- Working Mode: Digital Class D
- Output power: 2*8W
- Over-current/short-circuit current protection
- Over Temperature Protection
Charging Part
- Adapter Battery: 4 Lithium batteries
- Charging voltage: 16.8V ±1%
- Charging current: 3A
- Charging mode: CV/CC
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
Application
- Portable Speaker
- Portable mobile lighting fixture