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ITECH | DC Power Supply

IT-M3900D High Power DC Power Supply

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The IT-M3900D is a high power, single-channel programmable DC power supply designed for precision, flexibility, and space efficiency. With wide-range output capability, CC/CV priority, and up to 12kW in a compact 2U unit, it delivers scalable performance for R&D labs, production lines, and automated test systems—making it ideal for power-hungry and high-speed testing applications..

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The IT-M3900D High Power DC Power Supply is engineered for high-performance environments that demand flexible, reliable, and high-density power solutions. It delivers up to 12kW in just 2U of rack space—significantly reducing your testing footprint without compromising output quality or control precision.

Its wide-range output design allows users to get multiple voltage/current combinations from a single unit. Unlike traditional fixed-range power supplies, this makes the IT-M3900D highly versatile—ideal for labs and production lines where diverse testing scenarios are frequent.

A standout feature is its CC/CV priority function, which gives engineers control over how the power supply responds. Choose between fast voltage rise time or non-overshooting current mode, tailored to sensitive applications like automotive electronics, high-power ICs, or charging circuits.

To scale power for larger loads, the ITECH fiber-optic parallel technology allows over 16 units to work synchronously, maintaining accuracy and performance—unlike conventional parallel methods that often suffer from latency and instability.

With a built-in function generator, it supports waveform shaping and dynamic profile simulations. File management via front-panel USB and built-in support for multiple communication protocols makes integration into ATE setups seamless.

Whether you are conducting long-term reliability tests or high-speed dynamic simulations, the IT-M3900D stands out for its compact power, intelligent design, and unmatched flexibility.

  1. High Power Density in Compact Form: Delivers up to 6kW in 1U and 12kW in 2U chassis.

  2. Wide Output Range: Voltage from 10–1500V and current up to 1020A; adaptable to diverse testing needs.

  3. Flexible Output Combinations: One unit supports multiple voltage/current configurations across the power range.

  4. Master/Slave Parallel Connection: Scalable performance with up to 16 units using ITECH’s fiber-optic parallel technology.

  5. CC/CV Priority Selection: Enables faster voltage response or overshoot-free current control for sensitive DUTs.

  6. Adjustable Output Impedance: Suits advanced applications like battery simulation and load response testing.

  7. Built-In Function Generator: Supports arbitrary waveform generation and up to 200-step List programming.

  8. Smart USB Support: Front panel USB for file import/export and data logging.

  9. Multiple Protection Mechanisms: Includes OVP, OCP, OTP, and transient suppression.

  10. Versatile Interface Options: Built-in USB, CAN, LAN, Digital I/O; optional GPIB, Analog, and RS232.





Model Voltage Current Power Resolution Accuracy Interface Size
IT-M3910D-10-1020 10V 1020A 10200W 0.001V / 0.1A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 2U
IT-M3905D-10-510 10V 510A 5100W 0.001V / 0.1A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U
IT-M3903D-10-340 10V 340A 3400W 0.001V / 0.01A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U
IT-M3901D-10-170 10V 170A 1700W 0.001V / 0.01A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U
IT-M3906D-500-36 500V 36A 6000W 0.01V / 0.001A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U
IT-M3904D-500-24 500V 24A 4000W 0.01V / 0.001A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U
IT-M3902D-500-12 500V 12A 2000W 0.01V / 0.001A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U
IT-M3912D-300-120 300V 120A 12000W 0.01V / 0.001A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 2U
IT-M3906D-300-60 300V 60A 6000W 0.01V / 0.001A ≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS USB, CAN, LAN, digital I/O, opt. GPIB/analog/RS232 1U