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This article describes the CHESTER-X4 extension module.

Module Drawing

Module Overview

CHESTER-X4 implements stepdown DC/DC converter providing power from an external 6-28 VDC line (VIN). It allows also the input voltage measaurement. This module has also 4 P-MOS switchis allowing to supply independent loads from VIN voltage input.

CHESTER Pin Configuration Diagram

Pin Configuration and Functions

PositionSignal NameSignal Description
1GNDSystem ground signal
2CH1Channel 1 voltage output switch
3CH2Channel 2 voltage output switch
4CH3Channel 3 voltage output switch
5CH4Channel 3 voltage output switch
6GNDSystem ground signal
7GNDSystem ground signal
8VINDC power supply voltage input (6-28V)