Switching DC-DC step-up/boost converter: 16-34V adjustable output, 8-16V wide input, 65W outputDesigned by Offerman Industries in Netherlands
The pt1-ABXS002A3-25V is a robust and stable power supply providing an output voltage adjustable from 16V to 34V, at a maximum of 65W. The module is built around the (non-isolated) ABB ABXS002A3X41...Read More…
The pt1-ABXS002A3-25V is a robust and stable power supply providing an output voltage adjustable from 16V to 34V, at a maximum of 65W. The module is built around the (non-isolated) ABB ABXS002A3X41-SRZ boost converter.
The design of this power supply has been optimized to provide the best dynamic output response at ~25V, using the Tunable Loop feature of the converter. For deployment, ideally an additional capacitance of 20μF in total should be placed (i.e. distributed) at the power consumers' ends.
The input voltage can be anywhere between 8V and 16V (typically 12V), supplied through the screw connector.
The module features an on-board fuse, in addition to the converter's output over-current protection. The converter is also protected against over temperature. The converter will automatically recover from hick-up mode once the output current is brought back into its specified range. When the converter goes into thermal shutdown, it will wait to cool before attempting to restart.
Some translator logic has been added to the circuit to provide a (positive) logic ENABLE (i.e. remote on/off) signal (e.g. 3.3/5V).
The converter's PGOOD (Power Good) signal is available through a separate connector. To use it, connect this (open-drain) line to a logic high (5V max) using a 10kΩ pull-up resistor.
NOTE: the full output voltage range runs from about 16V to 34V; if you need a more limited range (to protect the hardware you will be connecting to this module), select one of the other (more restricted) ranges
NOTE: the module will only start when a high logic ENABLE signal is provided; if you need a module that is always on, select the type without the ENABLE signal logic
NOTE: the output voltage is equal to the input voltage when the ENABLE signal is low
I've created this board as a high-voltage power supply to drive the grids and segments of the VFD display tubes I'm using in my projects. A similar module providing an output voltage up to 54V at a maximum of 65W is available here.
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