Power

PowerFlex + 750W DC laboratory power supply launched

14th April 2021
Alex Lynn

Aim TTi have introduced the first of the new QPX Powerflex+ platform. The 750W compact Bench and System DC Power supply implements a new colour touch screen providing entry via touch, keypad or rotary control interface. In a compact 3U half rack bench or system compatible case.

QPX series laboratory power supplies are designed to provide flexibility in the choice of voltage and current to meet multiple diverse applications.

The new Aim TTi QPX750SP is a single output DC power supply with a maximum output power of 750 watts. It is suited to both bench-top and system applications. Voltages up to 80V and currents up to 50A are available within a defined power envelope. QPX750SP provides an added safety feature where voltages above 50V require authorisation from the user to comply with SELV.

A conventional PSU has a fixed current limit giving a power capability that reduces directly with the output voltage. The Aim-TTi PowerFlex+ regulation systems enable higher currents to be generated at lower voltages within an overall power limit envelope. The output can provide more than six times the current of a conventional PSU of the same maximum voltage and power.

A balanced multi-phase converter system minimises ripple and improves dynamic performance. This provides unusually low noise for the power level coupled with good transient response.

In addition to the 1mV 10mA resolution metering the display gives a reading for total power. Operation limits can be set as V, I or W.

Equivalent resistance measurement of the load enables low resistance measurements to be made at high currents, using the remote sense terminals to create a four terminal connection. This gives more reliable results for certain component types, such as magnetics and cables harness.

A comprehensive array of interfaces including USB, LAN /LXi and Quasi-analogue are standard. GPIB is available as a factory or customer fit option. QPX750SP is compatible with Aim-TTi Test Bridge software, providing graphical remote instrument control, logging and sequencing.

The QPX750SP is housed in a compact 3U half rack width case with front ventilation and low noise fan assisted cooling. Front and rear output and sense terminals. The Aim-TTi RM460 4U Rack houses two half rack 3U Aim-TTi products, providing full ventilation with top and bottom 1/2U rack spacing.

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