ADP1870-1.0-EVALZ

The ADP1870-1.0-EVALZ evaluation board from Analog Devices is a versatile and highly efficient DC/DC or AC/DC (off-line) switched mode power supply (SMPS) designed for applications where low cost and high efficiency are desired. It features a wide range of input voltages and outputs from 2.5V to 6V with an efficiency of up to 90 percent at full load. The board is ideal for a broad range of applications, including communications systems, industrial control systems, embedded systems, and consumer electronics.

The ADP1870-1.0-EVALZ board has a variable-frequency, current-mode topology. This type of architecture enables the board to achieve maximum flexibility and state-of-the-art performance. The wide input voltage range of this board (from 5V to 16V) allows the power supply to be used in a variety of applications. It also features an internal power factor correction (PFC) stage which improves efficiency at partial load levels. The board also includes internal loops for overvoltage protection (OVP), undervoltage lockout (UVLO) and overcurrent protection (OCP).

The board is designed with two operational modes that can be digitally selected: continuous conduction mode (CCM) or a discontinuous conduction mode (DCM). In CCM, the inductor current is never zero, resulting in a more efficient power conversion process. The benefit of using DCM is that it reduces the peak output current for light load conditions while still providing the wide operating range of the board. In addition, the ADP1870-1.0-EVALZ evaluation board includes a power supply sequencing controller that allows multiple power supplies to be synchronized.

The ADP1870-1.0-EVALZ evaluation board includes all the components needed to build a typical off-line switching power supply system. It includes an onboard voltage regulator, input bridge rectifier, capacitors, inductors, internal loops, diode, and MOSFETs. The board also has a user interface connector for connecting to an external computer or to a user application. This allows the board to be controlled or monitored remotely through an RS485 or Modbus communication link. The board also includes an output power connector that allows users to connect external loads.

The ADP1870-1.0-EVALZ evaluation board provides a low-cost, high-efficiency solution for the design of DC/DC or AC/DC (off-line) SMPS. Its variable-frequency, current-mode topology, wide input voltage range, power factor correction circuitry, and power supply sequencing controller make it an ideal solution for a variety of applications, including communications systems, industrial control systems, embedded systems, and consumer electronics. The board also includes the necessary components to construct a complete off-line switching power supply system.