Aim-TTi QPX750SP Power Supply Single 750W 'PowerFlex' Max 80V or 50A

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  • Single output, 750 watts total
  • PowerFlex design gives variable voltage/current combinations within a power envelope
  • Up to 80 volts and up to 50 amps
  • Setting by direct numeric entry or by spin wheel
  • High setting resolution of 1mV in up to 60 volts
  • Low noise of < 3mV rms at full power
  • Bench or rack mounting, front and rear terminals
  • Quasi analogue remote control
  • USB, LAN and (optional) GPIB interfaces

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Aim-TTi QPX750SP DC Power Supply

The Aim-TTi QPX750SP is a Bench/System DC Power Supply single output with 80V/50A 750W PowerFlex+, LAN/LXI & USB interfaces and GPIB Optional

The 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.

QPX series laboratory power supplies are designed to provide flexibility in the choice of voltage and current so as to meet multiple diverse applications. Voltages up to 80V and currents up to 50A are available within a defined power envelope. Unlike most power supplies of this power level, the QPX series is well suited to bench top applications in addition to system use.


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


PowerFlex and PowerFlex+ use either a balanced multi-phase converter system or linear final regulation to minimise ripple and improve dynamic performance. This provides unusually low noise for the power level coupled with good transient response.


When measuring rapidly varying loads it can become difficult to get accurate readings from the current meter. By selecting meter averaging, the reading is stabilised by averaging the last four readings to reduce the speed and extent of the variation.


The meter for each output can be set to show the equivalent resistance of the load by displaying voltage divided by current. This function enables low resistance measurements to be made at high currents by using the remote sense terminals to create a four terminal connection. This gives more reliable results for certain component types, such as magnetics, which operate at ampere levels.


The meter for each output can be set to show the total power currently being provided to the load (V x A) to a resolution of 0.1 watts. The power is shown in addition to the voltage and current values

For more information: Aim-TTi QPX Series