R2S12-1505/P-R

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Introduction to R2S12-1505/P-R DC-DC Converters

DC-DC converters are typically used to convert a higher voltage DC power sources into a lower voltage. This converted voltage is used to power various electronics, appliances, and components. Commonly used in automobile and industrial applications, DC-DC converters also have many home applications, such as powering up cell phones, laptops, and other small devices. The R2S12-1505/P-R is a high-efficiency, dual-pole bidirectional DC-DC converter manufactured by ROHM Electronics.

Applications

The R2S12-1505/P-R is a dual-pole bidirectional voltage converter, meaning that it can convert both input and output voltages in either direction. This is especially useful in automotive, agricultural, and industrial applications as well as domestic applications such as solar panel charging systems. The device is waterproof and dust proof, making it very reliable in less than ideal environmental conditions. It is also very efficient, with a maximum conversion efficiency of 92%.

The R2S12-1505/P-R is perfect for converting lower voltages into higher voltages such as 12V to 24V or 24V to 48V. It is also capable of reverse conversions, and can convert higher voltages to lower voltages such as 48V to 24V or 24V to 12V. It is a low-power device, making it a great choice for applications that require low-power consumption, such as LED lighting.

Features

The R2S12-1505/P-R offers a few features that make it a great choice for many DC-DC conversion applications. It is an isolated bidirectional power solution, meaning that it can be used to isolate two DC circuits, while still offering bidirectional conversions. This makes the device perfect for a variety of applications such as controlling a battery from a solar array or charging a battery from an AC source. It is also highly efficient, with a maximum conversion efficiency of 92%, and has an over-load protection feature as well.

The device is also very durable, with a working temperature range of -40°C to +85°C and a high humidity tolerance of up to 95%. The device also has a wide input voltage range of 8V to 60V, making it extremely versatile in different power inputs. The DC connections supplied with the device are co-axial for maximum efficiency and stability.

Working Principle

The R2S12-1505/P-R features a dual-channel bidirectional design, meaning that it can convert both input and output voltages in either direction. During bidirectional conversions, the device works as a series of rectifier-filters operating in both directions. During output voltage conversions, the output voltage is rectified and filtered, while for input voltage conversions, the input voltage is rectified and filtered.

The device also features an efficient single-switch buck-boost circuit, which helps to increase its operating efficiency. During input voltage conversions, the rectified input voltage is lowered by the switch controlling the switching frequency of the circuit. During output voltage conversions, the output voltage is boosted by the same switch.

The device also contains a unique soft-start feature which helps to reduce current surge at start-up. The soft-start feature helps to reduce high inrush current by providing a slower start-up time, reducing both noise and wear on components.

Conclusion

The R2S12-1505/P-R is a high-efficiency, dual channel bidirectional DC-DC converter from ROHM Electronics. It is perfect for a wide range of applications, from automotive and agricultural to domestic and industrial. The device is very efficient, with a maximum conversion efficiency of 92%, and is highly durable, with a working temperature range of -40°C to +85°C. It also features an efficient single-switch buck-boost circuit and a soft-start feature for smoother start-ups. In summary, the R2S12-1505/P-R is an excellent choice for powering up various electronics, appliances, and components.

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