GALAXY Black Gold BG-550L is the latest generation of mainstream products of GALAXY, rated power is 550W, 80PLUS bronze standard ATX power supply, in line with Intel ATX12V 2.3 design specifications, support 115V-264 wide voltage. The same solution also has BG-450L power supply. The black gold BG-550L adopts active PFC design, supports 115V-240V input voltage, and the combined output power reaches 500W, which can easily control the flagship graphics card. The Black Gold BG-550L is a half-mode power supply with native 24Pin+8Pin design, while the module cable supports 5 SATA, 3 IDE, and 2 6+2Pin interfaces. The Black Gold BG-550L is a semi-modular interface with 4 IDEs and two PCI-E module interfaces. Why is the logo part in English? This is a bit difficult to understand for my bad English.
Whether it is a natural wire or a modular wire, GALAXY sets the black and white striped snake net for the pickled vegetables of the black gold BG-550L power supply. This is to prevent the wire from being entangled and convenient for the user. The parameters used for the wire; 80°C/330V/18AWG, the black gold BG-550L power supply not only maintains the previous semi-module wire design, but also presents the short-line IDE/SATA+PCI-E module wire to meet any ATX/ITX. The user's needs are convenient for the user.
The black gold BG-550L adopts a 14cm fan design, the specification wield12V/2.5A, which is a silent fan with low speed, and the function of the small baffle is to make the wind flow more concentrated and strengthen the internal heat dissipation effect of the power supply.
Black gold BG-550L is the design of active PFC+ dual-tube forward +3.3V single magnetic amplification, which is a common solution in mainstream 500W power supply.
PCB work is still good, a more reasonable layout, but the second part of the test has signs of welding and welding.
The first-level EMI is relatively complete, two Y capacitors and one X capacitor directly on the AC connector, and the bleeder resistor on the X capacitor is replaced by a new IC.
Headphone EMI is quite complete; 2 mode inductors, MOV varistor, 2 X capacitors, 2 Y capacitors, and red square fuse (350V/6.3A)
The rectifier bridge model is GBU8J (600V/8A). Unfortunately, the rectifier bridge does not have a separate heat sink, and the location of another rectifier bridge remains on the PCB. It can be combined to form a higher resolution rectifier bridge module.
Let's take a look at the main capacitor and the PFC inductor.
PFC main switch tube (1) and double tube forward main switch (2) are the same as GPT18N50DC original, the specification is 500V/18A
A close-up to the PFC diode, Fairchild RHRP1560, 600V/15A
Two transformers
#p#Standby Circuit and Master IC#e#
5Vsb standby circuit
The main control IC is CU6808X
Secondary side
The end treatment of the wire is still good, with a heat shrinkable tube package, reducing the workload of DIY
Group template
To sum up; GALAXY Black Gold BG-550L overall is still good, active PFC + double tube forward + single magnetic amplification this program is more mature, but also can guarantee a good conversion efficiency, the next power 14CM fan believes that can bring To be a good mute performance, and finally the power cable is more thoughtful, providing enough long enough wire, but also effective short-term to better compatible with the ITX platform.
GALAXY Black Gold BG-550L Power Test
The tests are still loaded according to the scale of our power evaluation system, the parameters and meanings for each project test.
Balanced test data summary, where the PF value is measured at 230Vac
The conversion efficiency is measured at 230Vac
speed of the fan
The test temperature of the fan speed was 29 °C. The fan-spinning black gold BG-550L has a fan rotation speed of 700 RPM, a half load of about 1200 RPM, and a full load of 1400 RPM.
Standby efficiency
According to the recommended value in the Intel ATX12V 2.31 specification, the conversion efficiency of 5Vsb under 100mA/250mA/1A load should be higher than 50%, 60%, 70%, and the standby no load is less than 1W. Two levels of standby current testing have been added since our v1.01 version of the test system to accommodate the growing demand for 5Vsb.
5Vsb power consumption and efficiency
No-load pure standby refers to the state in which the power is turned on without being turned on. The GALAXY Black Gold BG-550L consumes 0.30W in the no-load state, and the output efficiency of 100mA, 250mA and 1A is excellent.
Voltage stability: 9.29 points (out of 15)
The GALAXY Black Gold BG-550L performs well in terms of voltage stability, conversion efficiency, standby conversion efficiency and full load ripple of the balanced load. Although the cross load performance is slightly weaker, it is better than the single watt power of the same wattage. of.
The only flaw is to keep the time project, PG time did not meet our requirements, from the disassembly point of view, 550W power supply uses 330μF main capacitor, the average 0.6μF / W, slightly higher than some products only 0.5μF / W However, PG time did not meet my expectations, so manufacturers should adjust the circuit. Finally, the work part, the end of the wire is insulated by heat shrink tubing, and some of the bare metal wire is not completely covered, which can also be improved.
Embedded industrial flat panel display, optional 10.4 "to 19" LCD screens, 50,000 hours long-life LED backlight, support for multiple signal input interfaces, including VGA and Video, special requirements can increase DVI and HMI interfaces; front Panel OSD keys and USB interface are convenient for control and maintenance; support DC 12V power input, special requirements support DC 9 ~ 36V wide voltage input; suitable for harsh work in industrial fields such as factory automation, machinery manufacturing, numerical control equipment, textiles, communication, and power surroundings.
flush mount monitor,flush mounted display,panel mount displays,panel mount monitors,industrial panel mount monitors,panel mount touch screen monitors
Shenzhen Hengstar Technology Co., Ltd. , https://www.angeltondal.com