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ITECH IT-M3400 Series Bidirectional DC Power Supply

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IT-M3400 bidirectional DC power supply integrates the features of a bidirectional dc power supply and a regenerative electronic load. It keeps the advantages of high power density and modular architecture design of M series. It can meet the customer's test requirement of different current and power level. Thanks to the independent multi-channel design, users can configure each channel according to the quantity and specifications of the DUT. At the same time, it has high-precision output and measurement, and has made a number of safety designs for testing, suitable for multiple test fields, such as power modules, intelligent industrial equipment, automotive electronics, charging and discharging tests of various small capacity batteries.

Model Options

Model Voltage Current Power

IT-M3412

60V

30A

200W

IT-M3422

60V

30A

400W

IT-M3432

60V

30A

800W

Model Voltage Current Power

IT-M3413

150V

12A

200W

IT-M3423

150V

12A

400W

IT-M3433

150V

12A

800W

Model Voltage Current Power

IT-M3414

300V

6A

200W

IT-M3424

300V

6A

400W

IT-M3434

300V

6A

800W

Model Voltage Current Power

IT-M3415

600V

3A

200W

IT-M3425

600V

3A

400W

IT-M3435

600V

3A

800W

Features

  • 1U Half-rack, high power density
  • Bidirectional energy flow
  • High efficient power regeneration
  • Battery test
  • Battery simulation
  • Independent control of multi-channels with functions of synchronization and proportional tracking
  • Up to 16 units can be paralleled connected
  • High speed measurement, 10 times/S updating rate
  • CC/CV priority
  • Adjustable output impedance
  • Programmable voltage and current rise and fall time
  • Temperature measurement function, over temperature protection
  • List programming
  • Various protection such as OCP / UCP / OVP / OTP / OPP / UVP, over heat protection, grid fault protection and fault storage, foldback, Power-off protection, sense abnormal protection
  • Automatic detection of power grid state to realize reliable grid connection
  • Pre charge function to prevent overshoot of DC loading current
  • Anti-reverse protection function through optional accessories
  • Five optional cards, supporting RS232, CAN, LAN, GPIB, USB_TMC, USB_VCP, RS485, analog and IO communication

Seamless Switching Between Source and Sink

Traditional power supply and load have short transitions and inconsistencies in the middle of positive and negative current switching. The IT-M3400 integrates bidirectional power supply and regenerative e-load in one, which is capable of achieving high-speed and seamless switching between source and sink. A fast and seamless transfer between source and sink effectively avoids voltage or current overshoot. The IT-M3400 is widely used in batteries, battery packaging, battery protection boards and other energy storage equipment testing.

1U Half Rack Mini Size

IT-M3400 is only 1U half-rack, but the power output is up to 800W. Besides high power density, it also has high resolution, high accuracy and high stability, etc. The output voltage is up to 600V and the output current is up to 30A. All series containing 12 models with ultra-wide range output design, can be widely used in various applications.

Applications

Low-power power module test

DC-DC power module, micro-inverter, DC-AC power module, bidirectional DC-DC module

Intelligent industrial equipment test

UAV ESC, small robot servo motor

Various small capacity battery charge and discharge test

Electric vehicle battery, 3C product battery, UAV battery

Automotive electronic equipment power supply test

Electric power steering motor, electric brake ibooster

CC & CV Priority

IT-M3400 continues to support CC / CV priority function, help customers solve a variety of severe problems in long-term testing. For test that require high-speed voltage, users can select the CV priority mode to obtain a faster voltage climb speed; or choose CC priority mode, output current without overshoot, used to test DUT with constant current operating characteristics. This function is widely used in power supply transient simulation and characterization test applications, such as lasers, integrated circuits, charge and discharge, automotive electronics.

Modular Design, Flexible Combination

The flexible modular design makes it simple for IT-M3400 to stack directly, no need to purchase any accessories. The user may use IT-E154 optional rack mount kit to install one unit or more units into 19” rack case.

Optional IT-E154A/B/C Rack Mount Kit

Multi-Channel Independent Control, Maximum 256 Channels

IT-M3400 provides flexible multi-channel function, the users can build-up multi-channel source-sink system, each unit will show the channel number on the front panel. PC only need to connect with one unit to control and program all the units independently by GUI software.

IT-M3400 support maximum 16*16 channels, each 37U rack can integrate 64 units which is 64 channels. It supports parallel connection for high power testing demands, to provide high flexibility and functionality for users.

Parallel Function

IT-M3400 supports paralleling multiple units of same model to achieve higher current and power. Users may parallel units in master-slave operation according to different required current values. Up to 16 units can be in parallel.


IT-M3400 can still have the same high-speed measurement capability as single unit after running in parallel with multiple units.

High Energy Regeneration Efficiency

IT-M3400 series is regenerative when working in sink under source mode, also regenerative working under load mode. The max regeneration efficiency is up to 90%, which can save the cost for both electricity and cooling system, achieving low noise testing environment.

~6307 kWh

can be deducted from your electricity and cooling bill using

1pc IT-M3400 (800W) for 1 year

Battery Simulation Function

IT-M3400 can simulate up to 99 batteries in series and parallel. The user can set the battery voltage, capacity, internal resistance, and SOC to quickly define the
battery matrix. The user can set the battery by choosing ITECH optional professional BSS2000 battery simulation software, by setting common battery parameters to quickly establish the battery characteristic curve, they can also set the initial capacity of the battery, to verify the characteristics of the product in different states of the battery. At the same time, BSS2000 supports user to import MATLAB battery matrix or import the actual battery charge and discharge curve through .CSV file, to simulate real battery's charge and discharge characteristics.

Optional BSS2000 Battery Simulation Software

Battery Test Functions

IT-M3400 series Regenerative Power System, which integrates power supply and regenerative electronic load into one unit, and adjustable output impedance design, can simulate the charging and discharging characteristics of the battery, and perform other testing, too. It can be used not only test the multiple single cells, but also comprehensive test the battery packages. It can also perform the battery setting and data processing in various test conditions and plot the test figure.

Optional ITS5300 Professional Battery Test Software can perform the following tests:

  • Working condition simulation
  • Battery DC IR test
  • Battery endurance test
  • Battery temperature test
  • Reliability test
  • Charge and discharge characteristic
  • Battery cycle life test
  • Battery capacity test
  • Over-charge and over-discharge endurance test
  • Battery conformity test

Multiple Protection Functions

IT-M3400 series have comprehensive protection functions, it can also provide OCP, UCP, OVP, OTP, OPP, UCP and grid fault protection, fault storage function, power-off protection function and sense sensing abnormal protection. With unique foldback protection function designing, it is used to turn off the output as soon as the power supply is switched by CV/ CC for protect the DUT which are sensitive to voltage overshoot and current overshoot. As it can automatic detect of power grid status, the product will be shut down when the power grid is suddenly disconnected, which can achieve reliable grid connection and islanding protection. The pre-charging function can prevent the DC load current from overshooting. Users can choose the anti-reverse connection module to achieve the anti-reverse protection function and effectively suppress the battery surge.

Optional Accessories

IT-M3400 rear panel provides interface expansion slot for users to expand. Different interfaces can be selected to realize different functions, such
as communication interface, external analog interface, temperature sensor, etc.

Model Interface

IT-E1205

GPIB interface

IT-E1206

USB/LAN interface

IT-E1207

RS-232/CAN interface

IT-E1208

External analog/RS485 interface

Model Interface

IT-E1209

USB interface

IT-E118

Anti-reverse connection module

IT-E1203

Temperature sensor

IT-E154A/B/C

Rack mount kit

Unprecedented Bidirectional Power Supply

The IT-M3400 brings state-of-the-art technology in 1U half-rack. Learn how IT-M3400 can revolutionize your tests.

The IT-M series bidirectional power supplies are not just better, they are in a different league.

Traditional Power Supplies Aren't Built for Flexibility

Stop letting brand names tell you that "there's a system for that" and paying for outdated technology you don't need.

Our modular design breaks through the traditional testing system limitations, allowing you to configure & build test platform according to your own test requirements.

Electronics Industry Awards 2020 Winner

Only 5 products are shortlisted in this year's "Power Products of the Year" trophy. ITECH is the only power electronics company in the world to win the award.

Now, Here’s the Technical Bit…Such As Rise Time etc.

Related Technical Articles & Application Notes

You Need to Be a Registered Customer to Download

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Change resistance regulation to 0 ~ 10 Ω before shipping the unit?

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Even on special orders & custom made power supplies.

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Cut off current at a certain voltage with a feedback loop in Matlab?

2-Year Warranty
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When choosing an industrial equipment, It is essential to work with experts who have had actual experience installing, using, and repairing them. This puts us in the top 2% of the authorized distributors and service providers.

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