Save Energy in Your System with R3 DC/DC Converter(一)

1 Introduction

Energy conservation is becoming increasingly critical as well as the ability to meet new

energy efficiency standards; therefore, decreasing the standby power consumption of

electronic devices is becoming more and more important. Being the “heart” of the

electronic system, power supplies need to be more efficient, This is what the

Mornsun R3 wide-input DC/DC converter are made for.

2 Application Problems in the Industry

【Question 1: High standby power consumption shortens the endurance of the energy

storage power system】

There are two modes of energy consumption in energy storage systems: operating

mode and standby mode. In operating mode, it can realize energy saving with same

performance by decreasing power consumption of the devices; while in standby mode,

some units need permanent power supply in case of system restarting and operating.

For example, the most common power supply of DC/DC converter is battery, such as

BMS and super capacitor power system, etc. In these systems, the devices usually work

in no-load condition, thus, the over input current directly consumes the energy in the

energy storage systems.

In the industry, most 6W power modules’ no-load current is 12~15mA with 24V input, in

comparison, the no-load current of Mornsun R3 DC/DC converter is typically only

4~5mA. Tested under the same condition, the no-load loss of R3 converter is as low as

0.12W. Taking a 20AH battery for example, when the battery is powering a DC/DC

converter, the no-load input current is 15mA and battery life is 1333.3H. To extend the

battery life, we need to decrease no-load current. The no-load current of Mornsun

R3 DC/DC converter is only one third of other products’ in the industry, which is up to

4000H. Therefore, the R3 DC/DC converter significantly improves life of the

accumulator, and decreases the energy consumption of energy storage system at the

same time.

In addition, many power supply systems need to be compatible with wide input voltage,

thus we need to pay attention to power balance within all voltage range, that is, to keep

the low no-load power consumption at any input voltage. Mornsun R3 DC/DC converter

keeps balanced no-load power consumption in all input voltage range. For example, in

the wide input voltage of 18~36V and the no-load current is: 5~6mA (low voltage input);

4~5mA (nominal voltage input); 2~3mA (high voltage input), no-load power

consumption stays at about 0.1W. Therefore, R3 products avoid the waste of standby

energy in the whole system.

Mornsun R3 DC/DC converter features the ultra-low no-load power consumption and

power balance within all input voltage range, which reduces the high power

consumption in long no-load operation and achieve high efficiency and energy savings.