Keysight (Agilent) N6954A Advanced Power System – DC Power Supply, 80 V, 12.5 A, 1000 W

The Keysight N6954A Advanced Power System is a single-output programmable DC power supply delivering 1000 W across 0–80 V and 0–12.5 A. Built on VersaPower architecture, this 1U rack-mount unit combines fast transient response, high measurement resolution, and flexible control interfaces for demanding automated test applications.

Technical Specifications

• Output: 0–80 V DC, 0–12.5 A DC


• Power Rating: 1000 W


• Voltage Programming Resolution: 14 bits


• Current Programming Resolution: 14 bits


• Voltage Measurement Resolution: 18 bits


• Current Measurement Resolution: 18 bits


• Voltage Accuracy: ±0.05% of full scale


• Current Accuracy: ±0.1% of full scale


• Residual Ripple: < 9 mVs


• Voltage Slew Rate: 3 ms (up/down)


• Transient Settling Time: 100 µs


• Command Processing Speed: < 2 ms


• Programming Speed: Up to 500 µs


• Input Voltage: 240 VAC


• Form Factor: 1U rack mount


• Dimensions: 426.9 mm W × 44.45 mm H × 568.7 mm D


• Weight: 10.9 kg

Key Features

• Two-quadrant operation with standard 10% current sinking; full 100% two-quadrant capability with optional N7909A dissipater unit


• Programmable waveforms and ± current waveform capability for complex test sequences


• Parallel operation up to 10 kW with equal current sharing across multiple units


• High-resolution LCD display


• Overvoltage, overcurrent, and overtemperature protection


• Test speeds up to 100x faster than standard supplies


• Measurement rate adjustable for speed/accuracy optimization

Interfaces & Integration

• GPIB (IEEE-488), LAN (LXI-Core), USB


• LXI-compliant architecture

Optional Enhancement Packages

• 301 Accuracy Package: Higher resolution and dual measurement ranges with full calibration


• 302 Measurement Package: External data logging and digitizers with programmable sample rates


• 303 ARBs Enhancement Package: Output list and arbitrary function capability