Chroma 63123A-120 DC Electronic Load Module

Overview

The Chroma 63123A-120 is a programmable DC electronic load module from the 6310A series, designed for testing and evaluation of power supplies, DC/DC converters, and battery chargers. With ratings of 70A at 120V and up to 350W power dissipation, it delivers 16-bit precision measurement circuitry and supports multiple operation modes for comprehensive power device characterization. The module features microprocessor control with user-friendly front panel operation and advanced testing capabilities.

Key Features

• Single-channel operation: 70A / 120V / 350W maximum
• Flexible operation modes: Constant Current (CC), Constant Resistance (CR), Constant Power (CP), Constant Voltage (CV)
• 16-bit precision voltage and current measurement with dual-range capability
• Dynamic loading up to 20 kHz with adjustable slew rates from 0.32 mA/μs to 10 A/μs
• Minimum input resistance enables high current sink at very low voltages
• User programmable 100 sequences with front panel operation
• Over Current Protection (OCP) testing with automatic OCP point detection
• Short circuit simulation capability
• Remote sensing for accurate voltage measurement eliminating lead resistance effects
• Digital I/O control for automated testing applications
• Full protection: OV, OC, OP, OT, and reverse protection

Applications

• Power supply design verification and production testing
• DC/DC converter characterization and validation
• Battery charger testing and OCP circuit verification
• Battery and supercapacitor discharge testing with timing control
• Automated test system integration