16-34V Adjustable Output DC-DC Step-Up and Boost Converter, 8-16V Wide Input, 65W Output

$74.00

The input voltage can be anywhere between 8V and 16V (typically 12V), supplied through the screw connector.

16-34V Adjustable Output DC-DC Step-Up and Boost Converter, 8-16V Wide Input, 65W Output

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 converter’s Tunable Loop feature. Ideally, an additional capacity of 20μF should be placed (i.e., distributed) at the power consumers’ ends for deployment.

The input voltage can be anywhere between 8V and 16V (typically 12V), supplied through the screw connector.

The module features an on-board fuse and the converter’s output over-current protection. The converter is also protected against overtemperature. The converter automatically recovers from hick-up mode once the output current is returned to its specified range. When it goes into thermal shutdown, it waits 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. Connect this (open-drain) line to a logic high (5V max) using a 10kΩ pull-up resistor.

Features

  • 8-16V wide input, power provided through screw connector
  • 16-34V adjustable output, at a maximum of 65W; power is available through a screw connector
  • built around (non-isolated) ABB ABXS002A3X41-SRZ boost converter
  • very high efficiency, not requiring any heat sinks
  • circuit protected through an on-board fuse
  • protected against overcurrent and over-temperature
  • high stability (i.e., low ripple) through input and output filtering
  • (positive) logic ENABLE (i.e., remote on/off) signal (e.g., 3.3/5V)
  • PGOOD (Power Good) signal (5V max, via a pull-up resistor) available
  • the board is standing on four brass standoffs, allowing you to place it on a working table or integrate it into a larger assembly
  • board size: 70.49×34.29mm; bolts: 64.14×27.94mm (M2.5)
  • high-quality PCBs designed in KiCad and produced by Aisler (Germany), PCBWay (China), and OSH Park (USA)
  • the board comes fully assembled and tested

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

Usage

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.

Additional information

Options

ENABLE signal, no ENABLE signal

Specifications

16-34V (full range), 21-33V

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