With the progress and development of society, innovation in the field of power devices has never stopped. In order to improve the power density and conversion efficiency of the power supply, UOE continues to explore new power device packaging processes and packaging forms. At present, MOS tubes have gradually shifted from the early use of TO lead packages to TOLL, QFN, SOP, STP and other surface mount types.

TOLL package is called the Transistor Outline Leadless, as the name suggests is a leadless power device. Compared with the common D²PAK (TO263) package, the package is smaller in size, more fitted to the PCB board, and has low package resistance, low parasitic inductance, low thermal resistance, low voltage overstroke, high current and other characteristics, has been widely used in outdoor power supplies, inverters, electric bicycle chargers, BMS systems and other equipment.

At present, most of the outdoor power supply uses an integrated aluminum alloy shell, and the front of the outdoor power supply is provided with a display panel, and is equipped with USB fast-charge output and inverter AC output. AC input interface and parallel interface are provided on the back of the outdoor power supply, and a large area fill light is also provided. Outdoor power supply built-in 2000Wh quasi-solid state lithium battery, two-way inverter support 1200W charging input and 2000W inverter output, USB-C interface support 100W fast charge. UOE's UP015N10T is widely used in outdoor power BMS.

Looking at the history of outdoor power generation, it can be found that the basic path is from the initial dependence on petroleum generators to the later lead-acid battery system with inverters, and two technological breakthroughs are bringing convenience to outdoor electricity. However, the real revolutionary change has taken place in recent years, the advent of outdoor power supplies, today's new outdoor power supply with its miniaturization, low noise and high efficiency characteristics, completely changed the consumer experience of outdoor electricity.

For the power devices that constitute the core part of the outdoor power supply, its development history has also followed the same trend. The introduction of TOLL packaging technology enables the power device to achieve surface patch packaging, which has significantly improved the efficiency, greatly reduced the loss, and also achieved a significant reduction in volume, making the outdoor energy storage power further on the road of pursuing lightweight, providing a more convenient and efficient power solution for people who often run outdoors.