For battery formation, bidirectional test equipment, power aging platforms, and high-voltage DC bus projects, the TPS TDM750T14-13K5IRT gives engineering and procurement teams a practical way to specify an isolated, high-density DC-DC module with bidirectional energy flow.
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The TDM750T14-13K5IRT is a TPS bidirectional isolated DC-DC power module designed for systems that need controlled power transfer between a high-voltage DC bus and a 14.5V low-voltage side. In practical B2B projects, this matters because battery test equipment, cell formation equipment, energy-recycling loads, and power aging systems increasingly need more than one-way conversion. They need energy to move in both directions with predictable behavior, strong protection, compact mechanical design, and documentation that helps system integrators build a compliant cabinet or rack.
For system integrators, the key question is not only whether a module can deliver rated power. The real question is whether it can be integrated into a test platform without creating thermal, EMC, wiring, or serviceability issues. For panel builders, the module footprint, airflow direction, terminal access, CAN communication, indicator lamps, and mounting constraints affect cabinet layout. For procurement, the priority is supplier confidence: whether TPS can support technical clarification, equivalent solution discussion, project-level sourcing, and repeatable delivery. For electrical engineers, the selection depends on high-voltage bus range, low-voltage rating, current rating, ripple, isolation mode, derating rules, and fault behavior.
TPS positions this module as part of a broader power electronics capability, not just a catalog item. That is important for RFQ-stage buyers because bidirectional conversion projects often require more than a power module. They may also involve cabinet architecture, cooling review, harnessing, magnetics, test fixtures, and application-specific engineering support. Teams comparing module-level solutions can also review TPS guidance on bidirectional power supply selection and US compliance to align technical review with RFQ documentation.
The TDM750T14-13K5IRT should be evaluated from both power directions. In the DC-DC positive direction, the module is rated for 13,500W output capacity. Its high-voltage input is rated at 750VDC with a 740-800VDC full-load operating range. The low-voltage output is rated at 14.5VDC and 932A, with 1% voltage accuracy and 500mV ripple voltage. Peak efficiency is listed at 94.5% at 750VDC. These details are central when electrical engineers are calculating bus capacity, copper sizing, test channel behavior, and energy-recovery economics.
In the opposite direction, the module is rated for 10,800W input capacity from the low-voltage side. The low-voltage input is 14.5VDC at 745A. The high-voltage output operating range is 700-770VDC at full load, with 770-800VDC derating to 70%. Peak efficiency is again listed at 94.5% at 750VDC. This makes the module suitable for systems where recovered energy must be returned to a high-voltage DC link instead of being burned off as heat.
| Selection area | TDM750T14-13K5IRT data point | RFQ relevance |
|---|---|---|
| Positive direction capacity | 13,500W rated output | Supports high-current LV output stages in formation or test equipment. |
| HV input range | 750VDC rated; 740-800VDC full load | Confirms compatibility with the system DC bus operating window. |
| LV output | 14.5VDC, 932A rated | Useful for low-voltage, high-current battery or load channels. |
| Reverse direction capacity | 10,800W rated input; 14.5VDC, 745A | Enables energy return from LV side to HV bus. |
| Isolation | High-frequency isolation | Supports system safety architecture and noise management planning. |
| Communication | CAN | Helps connect the module to supervisory control and equipment monitoring. |
The specification also lists forced-air cooling with intelligent control, rear inlet and front outlet airflow, blue operation indicator, red fault indicator, and a compact 300mm x 220mm x 86mm mechanical size with weight below 5.5kg. For cabinet design, those mechanical and interface details can be as important as wattage, because they influence module spacing, service access, fan path, sensor visibility, and terminal protection.
The most direct applications are cell formation and test equipment, bidirectional testing systems, energy storage test benches, and recyclable power aging equipment. In these environments, the cost of wasted energy and heat removal can be significant. A bidirectional isolated module helps convert the recovered energy back toward the DC bus, reducing the need for purely dissipative loads and improving system-level efficiency.
In a battery formation system, multiple channels may operate at different states of charge and load conditions. A compact bidirectional module can support a modular architecture where energy is moved through a controlled DC link. In power aging equipment, the ability to recycle energy can reduce thermal burden and improve facility planning. In industrial test platforms, CAN communication and indicator lamps simplify control and maintenance routines. These factors are especially relevant when the buyer is already at BoFu stage and needs to validate a supplier for production equipment, not just compare brochure numbers.
When a project requires cabinet-level execution, buyers may also need enclosure design, harnessing, and assembly support. TPS can help connect the module discussion with broader project needs such as industrial control cabinet design, custom cable assemblies and wire harnesses, or custom sheet metal enclosures. This is the difference between buying a component and confirming a buildable solution.
For panel builders and electrical engineers, the TDM750T14-13K5IRT integration review should begin with thermal path and mechanical access. The module uses forced air cooling with intelligent control. The specified airflow is rear inlet and front outlet, with the front side associated with the fan and the rear side associated with the terminal area. This means cabinet layout should avoid blocking inlet or outlet paths, and service teams should be able to inspect fan areas and indicator lamps without disassembling unrelated equipment.
The operating temperature range is -10°C to 45°C at full load, with 45°C to 60°C available under power derating. Storage temperature is -40°C to 70°C. Relative humidity is specified at 5-95% non-condensing. Operation altitude is below 1000m without derating; from 1000m to 3000m, power derates by 1% for every 100m rise. These conditions should be stated clearly in the RFQ so TPS can review whether the target cabinet, duty cycle, ambient temperature, and altitude align with the expected module operating envelope.
Mechanical information is also important. The module size is 300mm x 220mm x 86mm, and the specification includes reserved installation holes and screw guidance. The warning notes that screw length must not exceed the reserved hole depth, because excessive screw length can damage the equipment. For production builds, this should be translated into a controlled assembly instruction, approved fastener list, torque requirement, and incoming inspection plan.
The specification highlights mature soft-switching technology, bidirectional isolation and energy flow, excellent EMC meeting EN55032 and other international standards, fault protection, and compliance signals including UL, CE, and CCC. For RFQ-stage buyers, these statements should be used as a starting point for documentation requests. Ask TPS to confirm the applicable certificate files, test reports, declarations, label requirements, and any project-specific constraints before freezing the equipment BOM.
EMC is especially important in formation equipment and power test racks because multiple high-power modules may operate near control electronics, communication lines, sensors, and switching devices. Good module selection should be paired with system-level layout discipline: grounding strategy, cable routing, shielding, enclosure bonding, filter selection, and thermal separation. TPS can support the discussion at both product and solution level, including related power-electronics manufacturing capabilities such as power electronics manufacturing services and mixed-technology PCB assembly where project scope requires deeper customization.
Reliability review should also include derating. Positive direction operation is listed with full load in the 740-800VDC HV input range, and the charted behavior should be reviewed for conditions outside nominal assumptions. Reverse direction operation is full load from 700-770VDC HV output and derates from 770-800VDC. The low-voltage side should not exceed the specified limit noted in the document. TPS can help engineering teams translate these limits into a safe operating area for the target duty cycle.
A strong RFQ for the TDM750T14-13K5IRT bidirectional DC-DC module should give TPS enough information to confirm fit quickly and reduce clarification loops. Instead of asking only for unit price, include the electrical architecture, duty cycle, cooling environment, compliance expectations, mechanical constraints, and production timeline. This helps TPS recommend the target product, verify whether an equivalent or modified solution is more appropriate, and identify integration risks before purchase order release.
HV bus nominal voltage and range, LV side voltage window, required current, direction of energy flow, peak versus continuous power, ripple sensitivity, and control method.
Cabinet space, airflow path, service access, terminal orientation, screw and mounting requirements, vibration expectations, and wire/copper-bar interface.
Target market, applicable UL/CE/CCC documentation needs, EMC plan, equipment-level safety strategy, and customer acceptance test requirements.
Prototype quantity, annual demand, delivery schedule, packaging needs, project milestones, after-sales support expectations, and documentation language.
Procurement teams often need a supplier that can answer both commercial and engineering questions. TPS can provide product-level support and, where needed, project-level consultation for modules, cabinets, harnesses, cooling plates, magnetics, and assembled power electronics. For high-power conversion projects, it may also be useful to review TPS resources on thermal design for power electronics and custom magnetics and inductors.
TPS has relevant product and solution capability for bidirectional power modules and project-level power electronics. For global B2B customers, this matters because the buying decision usually includes more than the module datasheet. Engineering teams need confirmation that the chosen product can work in the system. Panel builders need mechanical and wiring clarity. Procurement needs confidence in communication, lead-time planning, and repeatable sourcing. Project managers need a supplier that can help close open issues before commissioning.
The TDM750T14-13K5IRT is a focused solution for high-voltage DC bus to low-voltage high-current conversion with bidirectional energy flow. When paired with TPS application support, it can help buyers move from specification comparison to a practical RFQ package. TPS can also discuss related or equivalent solutions if your voltage, power, cooling, communication, or cabinet constraints differ from the standard configuration.
Share your HV bus range, LV voltage/current target, power direction, duty cycle, cabinet space, ambient temperature, compliance market, and estimated quantity. TPS can support product selection, technical review, and project-level solution discussion for global B2B customers.
It is used for bidirectional isolated DC-DC conversion between a high-voltage DC bus and a 14.5V low-voltage high-current side. Typical uses include cell formation, battery testing, bidirectional test equipment, energy storage testing, and recyclable power aging systems.
In positive direction, the module is rated for 13,500W output with a 750VDC HV input and 14.5VDC low-voltage output. In opposite direction, it is rated for 10,800W input from the low-voltage side and returns energy to a high-voltage output range.
Check rear-inlet/front-outlet airflow, forced-air cooling clearance, ambient temperature, altitude derating, terminal access, CAN wiring, indicator visibility, and screw depth limits. These items should be included in the RFQ and assembly review.
The specification references EMC performance including EN55032 and compliance signals such as UL, CE, and CCC. Buyers should request applicable certificates, declarations, and project-specific documentation from TPS before final equipment approval.
Yes. TPS can support related products, equivalent solution discussion, project selection, customization, integration consultation, and broader power electronics support for global B2B customers.
