DC1900A

Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS

The DC1900A is an evaluation board for DC/DC or AC/DC (Off-Line) SMPS. It provides a convenient way to evaluate step-down DC/DC converters, LED drivers, or AC/DC off-line switchers. The evaluation board is compact (1U) and the connection to the power supply is made through a IEC 320 C14 plug/socket (UNI), or you can connect your own power supply using a 20 pin connector. It has an output power of up to 600W and an operating range of 106VAC to 220VAC.

The board includes a LCD display that can be used to monitor the outputs, input voltage, current and temperature. It also includes an isolated USB port for programming and monitoring. The DC1900A has a digital control interface and includes a comprehensive software for programming and monitoring.

In terms of applications, the DC1900A is suitable for applications such as AC/DC converters, battery chargers, LED drivers, single cell Li-ion oxides, and other high power applications. It can be used for various types of control loops, such as Voltage-Mode, Current-Mode, Open-Loop, Closed-Loop, Hybrid-Mode, etc.

DC1900A application field and working principle

The DC1900A evaluation board can be used for various types of power supply applications. It can be used for step-down DC/DC converters, LED drivers, or AC/DC off-line switchers. The primary purpose of this board is to provide an easy way to evaluate different types of power supplies and components.

The evaluation board is designed around a high efficiency, SM2145E step-down DC/DC controller with integrated FET. It has a high switching frequency and supports both current-mode and voltage-mode control schemes. The board also includes various protection functions such as over-voltage, under-voltage, over-current, and short-circuit protection.

The DC1900A evaluation board offers a wide range of features, including adjustable output voltage, current limit, soft-start, current sense, and adjustable switching frequency. It also provides isolated USB programming/monitoring port, digital control interface, LCD display, and other features that make it suitable for a wide range of applications.

The board is designed to deliver high efficiency and excellent performance. It can operate at power levels up to 600W and in a wide input voltage range of 106VAC to 220VAC. It also supports the latest step-down DC/DC topologies such as SEPIC and Cuk converters.

The DC1900A evaluation board is an ideal platform for designing and testing power supplies with the latest control and power topologies. It is a versatile and cost efficient solution for application specific evaluation boards and can be used for a wide range of applications.