XEV320D48D07K0DNW

7kW bidirectional DC/DC converter

7 kW Bidirectional DC-DC Converter: An Optimal Solution for Energy Storage Charging Applications

OVERVIEW

7 kW bidirectional DC-DC converter, supporting bidirectional energy flow with precise high and low voltage conversion. It delivers high efficiency operation with multiple protection functions, and is well suited for a wide range of DC power conversion applications in different scenarios.

The 7 kW bidirectional DC-DC conversion module is a high efficiency, intelligent DC power conversion device designed to support bidirectional energy flow, enabling precise regulation and conversion between high side and low side DC voltages.

Built on our proprietary topology and integrated with advanced digital control algorithms, the module delivers outstanding performance and controllability. It features a wide input voltage range and high conversion efficiency, effectively improving energy utilization while minimizing power losses.

The module also incorporates multiple built-in protection mechanisms to ensure stable operation, significantly enhancing overall reliability. With strong compatibility and flexibility, it is well suited for a wide range of applications such as energy storage systems, electric vehicle charging infrastructure, and microgrids, providing an efficient and intelligent solution for DC power conversion in diverse operating conditions.

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PARAMETERS

Rated Power

7 kW

High Side Voltage Range

240 – 370 V

Low Side Voltage Range

40 - 55 V

Charger Efficiency

95% or higher

Operating Temperature Range

-40℃- 85℃

Cooling Method

Natural cooling (IP67 protection rating)

optional fan-assisted cooling

Control Mode

Automatic switching between Constant Voltage (CV) and Constant Current (CC)

FEATURES

High efficiency bidirectional power conversion

Meet fast recharging needs for low voltage battery packs and adapts to various charging scenarios.
Intelligent CAN communication & calibration

Flexible adjustment of charging modes and current/voltage thresholds, with real-time operating status feedback.
Multiple safety protection mechanisms

Comprehensive hardware and software protection, including battery reverse-polarity protection and insulation resistance protection.
Low power consumption & fast response

Standby current ≤10 mA to minimize standby power loss; output response time ≤200 ms to ensure stable power delivery.
Natural cooling design

No additional fan required, reducing noise and failure rate.
Flexible wake-up & power-down control

Supports power-on wake-up, CAN wake-up, and hardware wake-up; automatically shuts down circuitry after main power-off.
High precision monitoring & diagnostics

Output voltage accuracy ≤±2%, monitoring accuracy ±0.2 V, supports OBD online diagnostics.
High environmental adaptability

Excellent vibration resistance, IP65 protection level, and strong EMC (electromagnetic compatibility) performance.
Parallel expansion capability

Enables flexible power scaling (2 units = 14 kW, 3 units = 21 kW), meeting full range power demands for energy storage applications.

APPLICATIONS

The 7 kW bidirectional DC-DC Converter is specifically designed for battery range extension in electric vehicles. It enables bidirectional energy flow between high and low voltage systems. With key advantages such as high efficiency bidirectional power conversion, stable performance, and parallel expansion capability, the converter is not only ideal for vehicle power range extension, but is also widely applicable to residential and commercial energy storage systems, microgrids, recreational vehi