Description
IMDC100100
5kW Bidirectional Isolated DC-DC Power Module
Bidirectional · High-Frequency Isolation · Full Digital Control
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✓ IP20
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✓ Hot-Swap
The IMDC100100 is a bidirectional DC-DC power module featuring high-frequency isolated conversion with soft-switching resonant technology. The battery-side voltage range is 30 to 100Vdc, and the DC bus-side voltage range is 200 to 420Vdc.
With fully digital DSP control, the module supports bidirectional energy flow with automatic switching between charging and discharging. It is equipped with CAN bus and RS485 communication interfaces for seamless integration with third-party devices.
The module is widely applied in fuel cell power generation, photovoltaic-storage-charging (PV-Storage-Charging), V2G (Vehicle-to-Grid), battery echelon utilization, distributed energy grid integration, and microgrids. High-frequency isolation between the battery and DC bus makes it the top choice for industries requiring bidirectional energy flow.
⚙️ Core Functions & Product Advantages
Bidirectional Energy Flow
Supports automatic switching between charging and discharging modes, adapting to V2G, PV-Storage-Charging, and other smart multi-energy complementary scenarios.
High-Frequency Isolation
Soft-switching resonant technology delivers efficiency up to 94%, improving overall system energy efficiency.
Full Digital Control
DSP digital control with support for module paralleling and CAN/RS485 communication. Enables flexible system configuration and power expansion.
Multiple Safety Protections
Overvoltage, overcurrent, short-circuit, overtemperature, and DC reverse connection protection. Complies with UL/GB standards.
Wide Temperature Operation
Operating temperature range -40°C to +60°C, adapting to harsh environmental conditions.
Standard Rack Installation
19-inch rack-mountable design with compact dimensions 220×84×400mm, weighing only 6kg — easy to integrate.
🏭 Typical Applications
Fuel Cell Power Generation
Bidirectional DC-DC conversion for fuel cell systems with DC bus coupling.
PV-Storage-Charging Integration
Seamless integration with photovoltaic arrays and charging piles for integrated solar-storage-charging solutions.
V2G Vehicle-to-Grid
Bidirectional energy interaction between EVs and the grid for peak shaving and renewable integration.
Battery Echelon Utilization
Energy storage systems using retired EV batteries with wide voltage range compatibility.
Distributed Energy & Microgrids
Grid integration for distributed energy resources and microgrid applications with DC bus coupling.
⚡ Electrical Topology & Working Mode
IMDC100100 employs high-frequency isolated bidirectional DC-DC topology with soft-switching resonant technology. The module supports three operating modes: charging, discharging, and automatic switching.
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HF Isolated DC/DC
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Battery 30–100Vdc
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⚡ Discharging Mode
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🔄 Auto Switching
📊 Technical Specifications — IMDC100100
| Parameter | Specification |
|---|---|
| 🔌 DC Bus Side Parameters | |
| DC Bus Voltage Range | 200 – 420Vdc |
| DC Bus Current | 17A Max (≤12A under 200–290Vdc) |
| Output Voltage | 30 – 100Vdc |
| Output Rated Current | 105A Max |
| Output Rated Power | 5kW |
| Output Power Derating | 50–100Vdc: constant power 5kW / 30–50Vdc: constant current 100A |
| 🔋 Battery Side (Charging) | |
| Charging Efficiency | 94% Max |
| Current Regulation Accuracy | ±5% |
| Current Ripple | 5% |
| Voltage Ripple | < 2% Vo |
| Soft Start Time | 3s – 8s |
| ⚡ Discharging | |
| Battery Voltage Range | 30 – 100Vdc |
| Discharge Current | 105A Max |
| DC Bus Voltage Range | 200 – 420Vdc |
| Output Rated Power | 5kW |
| Discharging Efficiency | 94% Max |
| 🛡️ Protection Functions | |
| Overvoltage Protection | ✓ Equipped |
| Overcurrent Protection | ✓ Equipped |
| Short-Circuit Protection | ✓ Equipped |
| Overtemperature Protection | ✓ Equipped |
| DC Reverse Connection Protection | ✓ Equipped |
| 📋 General Parameters | |
| Operating Temperature | -40°C – +60°C (derating above 55°C) |
| Storage Temperature | -40°C – +75°C |
| Noise | < 60dB |
| Dimensions (W×D×H) | 220mm × 84mm × 400mm |
| Weight | 6 kg |
| Ingress Protection | IP20 (single module) |
| Cooling | Forced air cooling |
| 📜 Certification Standards | |
| Performance / Safety / Environment | GB/T 34120-2017, GB/T 34133-2017, UL1973, UL9540 |
| EMC Standards | GB/T 17626.2/3-2006, GB/T 17626.4/5/6-2008 |
🛡️ Protection & Safety — Multi-Level Hardware & Software Protection
IMDC100100 features fully digital control with multi-level software and hardware protection. The module incorporates comprehensive protection mechanisms to ensure safe and reliable operation across all operating conditions.
DSP real-time voltage monitoring with immediate PWM shutdown upon detection.
Hardware and software dual protection with fast current limiting.
Fast short-circuit detection and immediate power device shutdown.
Multi-point temperature monitoring with automatic derating or shutdown.
Prevents damage from reverse polarity battery connections.
❓ Frequently Asked Questions
📡 What communication protocols does IMDC100100 support?
Supports CAN bus and RS485 communication interfaces for seamless data exchange and control with third-party devices.
🔗 Can the module be used in parallel for power expansion?
Yes. With DSP digital control, the module supports paralleling for flexible system configuration and power capacity expansion.
🌡️ What is the operating temperature range?
Operating temperature: -40°C to +60°C (output power derating above 55°C). Storage temperature: -40°C to +75°C.
📜 What certifications does the product comply with?
Complies with GB/T 34120-2017, GB/T 34133-2017, UL1973, UL9540 for performance/safety/environment, and GB/T 17626 series for EMC.
📦 What are the module dimensions and installation method?
Dimensions: 220mm × 84mm × 400mm, weight: 6kg. Supports 19-inch rack mounting with IP20 protection rating.
🔗 Related Products — Full Series Energy Storage Power Electronics
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