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VREG Click Board

VREG Click Board

SKU: MIKROE-2443

VREG Click Board | MikroE UK
In Stock 1 in stock
Lead Time (if not in stock) 3 working days
Our Price: £28.80
Inc. UK VAT 20.00 %
Quantity

The VReg Click Board is a digitally controlled DC Voltage regulator in MikroBUSform factor. The design is based on the well-known LM317 circuit, with the addition of a 12-bit DAC, 12-bit ADC, and an Operational Amplifier.

Two pairs of screw terminals serve as inputs and outputs.

Product Details


Line and Load Regulation

The LM317 IC is a reliable regulator with typical line regulation of 0.01% and load regulation of 0.1%. It also has internal short-circuit current limiting and thermal overload protection.

Heat Dissipation

The circuit regulates voltage by turning all input/output difference into heat (effectively dissipating all the excess power). If it gets too hot it may damage the board or cause unexpected behaviour.Because of that, the board's operating range is defined by two factors.

  1. Maximum input voltage and current (should not exceed 20V/1A).
  2. Maximum wattage arising from current and I/O voltage difference (should not exceed 2W, measured as I x (Input V - Output V).

SPI Interface

The board also carries a MOSFET chip to toggle the output on and off. The VReg Click Board communicates with the target board MCU through the SPI interface (CS, SCK, MISO, MOSI). The board can use either a 3.3V or a 5V power supply. It is also possible to use the board's power supply as the Input, by resoldering the onboard INPUT SEL jumper.

  • VREG Click Board (1)
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