HP / Agilent 6691A 6600-Watt System Power Supply, 30V, 220A

The HP/Agilent 6691A is a 6600 W DC power supply delivering 0–30 V at 0–220 A for high-demand manufacturing test, burn-in, and automated test equipment environments. It combines precise analog and programmable control with low output ripple, remote sensing, and comprehensive protection to support integration into complex multi-output test systems via GPIB and serial connectivity.

Technical Specifications Output Ratings

Voltage: 0–30 V

Current: 0–220 A

Power: 6600 W Programming Accuracy (at 25 ±5°C)

Voltage: 0.04% + 30 mV

Current: 0.1% + 125 mA Readback Accuracy (front panel or GPIB, 25 ±5°C)

Voltage: 0.05% + 45 mV

Current: 0.1% + 165 mA Output Ripple & Noise (20 Hz–20 MHz)

Voltage (RMS): 2.5 mV

Voltage (peak-to-peak): 25 mV

Current (constant current, load inductance >5 µH rms): 50 mA

Key Features

Analog voltage and current control via rear panel inputs (modulation: 0 to –5 V for voltage, 0 to +5 V for current; input impedance ≥30 kΩ)

SCPI command set for instrument control

Remote sensing: up to half rated voltage drop per load lead

Built-in voltage and current measurements

Overvoltage, overcurrent, and overtemperature protection

Programmable shutdown with fast up-and-down ramp capability

External TTL shutdown input and linked power supply shutdown

Fan-speed control for reduced acoustic noise

Error status reporting

Interfaces & Control

GPIB interface for local and remote operation

Analog programming and monitoring via rear panel

Serial link supports control of up to 16 outputs at one GPIB address using auxiliary mainframes

Physical & Environmental

Dimensions: 425.5 mm W × 221.5 mm H × 674.7 mm D

Rack-mountable; compatible with 5000 W Agilent 6680 Series footprint

Installation Category III

Qualified for temperature, humidity, altitude, shock, vibration, ESD, AC line, EMC, and RFI environments