Test & Measurement

Linear DC power supply enhances output speed

28th September 2022
Mick Elliott

RIGOL Technologies gas released its next generation of Programmable Linear DC Power Supplies, the DP2000.

This completely new benchtop power supply features 3 fully isolated channels with automatic internal series and parallel connections and an intuitive 4.3” touch screen.

The DP2000 delivers high resolution for measuring low-range currents down to 1 µA, a high-speed sampling mode, an arbitrary output mode with a 1 ms dwell time, and low output noise and ripple < 350 µVrms. The power supplies will auto range between an Amps range with 1 mA resolution and the new 10 mA range with resolution down to 1 µA.

These low current measurements are critical for low power devices including IoT and wearable technology.  Complementing these measurement capabilities is a high-speed arbitrary output function. This arbitrary mode is made of up to 512 arbitrary points with dwell time down to 1 millisecond and the ability to edit waveforms including sine waves, square waves, ramps, pulses, or stair step functions.

Users can also create their own arbitrary function to emulate the power expected in their test to diagnose power management errors and issues.   "The DP2000 represents RIGOL’s next generation of Linear Power Supplies and moves us into a wide range of new and exciting application spaces, including low power IoT devices and wearables, automotive, manufacturing and ATE testing,” stated Chris Armstrong, Director of Product Marketing for RIGOL USA. “We anticipate the feature set and price point of the DP2000 will compare very favourably with the market leading power supplies while delivering exceptional accuracy and resolution."  The DP2000’s 3 channels are rated for 32V/3A, 32V/3A and 6V/5A (with an option for 10 Amps on channel 3) for a total power of 222 Watts.

The Power Supply has front and rear output terminals, 2 or 4-wire remote sensing for improved accuracy, current measurement auto-ranging, and over voltage, over current and over temperature protection.

Connection options include LAN, USB, RS232, GBIP (option) and digital I/O.

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