T4850M is Low voltage photovoltaic  communication module.  It can extract maximum power in real time from the solar panels throughout the day. Module can work in outstanding reliability,efficiency and power density. It is specially designed for telecom, network access and data center applications.

1. Electrical Specification

1.1 DC Input Characteristics      

Parameters	Range	Note
Input Rated Voltage	100Vdc
Input operating voltage range	58Vdc to 150Vdc	Start-up voltage >75Vdc
MPPT Operating Voltage Range	58Vdc to 120Vdc	Voc not greater than 150V
Maximum Input Voltage	165Vdc	Modules are not damaged

 1.2 Input current

 

Rating	Maximum Values	Note
28.5A	Values 46A	Output rated voltage full load

 1.3 Conversion efficiency 

Parameters	Requirements	Note
Maximum efficiency	≥97%	100Vdc@ 25℃, 10 minutes power on After

 1.4 MPPT Efficiency

 

Parameters	Requirements	Note
MPPT efficiency	≥99.9%	Input power ≥ 400W

 1.5 Standby power consumption

 

Parameters	Requirements	Note
Standby power consumption	≤4W (no power consumption at night)	100Vdc Input

 1.6 Output external characteristics 

Output Voltage	Maximum Output Current
38~58V	Constant current 52A

 

1.7 Output Voltage Adjustment Ratio

Output Voltage Index	Output Voltage	Accuracy Range	Note
source effect	43.2~58 V	≤±0.1%	Difference between DC output voltage and output voltage setting value at different input voltages
load effect	43.2~58 V	≤±0.5%	Difference between DC output voltage and output voltage setting value under different loads
Voltage stabilization accuracy	43.2~58 V	≤±0.6%	Difference between DC output voltage and output voltage setting value for different input voltages and different load combinations
Temperature coefficient (1/°C)	43.2~58 V	≤±0.02%	Difference between DC output voltage and output voltage setting value for every 1°C change in temperature relative to 25°C ambient temperature.

 Note: The set value refers to the rated 100Vdc input, corresponding to the output voltage tested at half load.

 1.8 Output Ripple and Noise

 

Output Voltage	Ripple And Noise (peak-to-peak)	Note
+43.2~58Vdc	≤200mVp-p	1. Rated input voltage range, minimum load to maximum load, full temperature range. 2. The oscilloscope bandwidth is set at 20 megahertz, and a 10 uf tantalum capacitor and a 0.1 uf ceramic chip capacitor are connected in parallel at the test point. 3. The test point is close to the power supply output.

 1.9 Output Load Dynamic Response 

1.9.1 Output Dynamic Load Response

 

Output Voltage	Overshooting Range	Note	Recovery Time
+43.2~58Vdc	±5%	Load 25%~50%; 50%~75% Load shifts lope 0.1A/us Load jump frequency 50Hz~1kHz	≤200us

 1.9.2 Output large dynamic response

 

Output Voltage	Overshooting Range	Note
+43.2~58Vdc	≤200mVp-p	Load 0% to 100%; 100%~0%

 Note: The above specifications are satisfied at DC source input. 

1.10 Output switching overshoot

 

Output Voltage	Overshoot Range	Note
+54.5V	<1 %	Rated input voltage range; Minimum load ~ Maximum load.

 2. Mechanical