PWM Solar Street Light Driver

Features:

PWM Based Charging

LED Driver Support up to 7 to 30 Watt

Solar Panel Dusk to Dawn Option.

NTTV (Night Time Threshold Voltage) 2.8 Volt

DTTV (Day Time Threshold Voltage) 3.8 Volt

Dimming options.

(Late Night  Mode First 4 Hour 100% Brightness After 4 hour 50% Dimming).

Solar Panel Maximum open Circuit Voltage 22V.

Solar Panel Maximum MPP Voltage 22V.

Supported Battery.

 Lithium Ion (11.1V)

 Lead Acid Battery (12V).

 Lifepo4 Battery (12.8V)

 Lithium Ion (14.8V)

Motion Sensor Activate after 4 Hour. (PIR Sensor)

If there is no moment on the road the illumination will be only 50%.

If someone moves in the range of motion Sensor the illumination will be 100%

Ideal Current Consumption less than 3ma.

LED Driver Methodology. (Dual PWM DC-DC Buck Converter).

PWM Frequency 30.53KHZ

LED Driver Efficiency 93%

Charge Controller Efficiency 95%

Maximum Panal Support 320Watt.

Maximum Battery Support 150AH

Maximum LED Driver Support 60 Watt.

Current Limiting For Led Module.

Charge Controller Methodology. (Three stage battery charge monitoring Algorithm).

Software Watchdog For LED over current

Low and High battery voltage cut off.

Compatible with motion sensor(PIR sensor)

Design suitable for Street Light and Home Light.

Battery charging Indications

Green LED – Charging. (BLINKING)

Red LED – Low Battery and Short Circuit.

Both glow together if any fault like open load or short circuit.

Protection:

Solar Reverse Connection.

Battery Reverse Connection.

Over Charging.

Over Temperature.

Current Short Circuit.

Deep Discharge Protection.