6.6 kW Onboard Charger & 2.5 kW DC/DC Combo
System Introduction
This integrated system consists of a 6.6 kW onboard charger and a 2.5 kW DC/DC converter. The OBC converts energy from AC power grid into high-voltage DC power to charge the electric vehicle’s traction battery, with the entire charging process being monitored by the vehicle. The DCDC converter transforms the high-voltage DC power into the required low-voltage DC power, providing 12 V power supply to the vehicle and charging the auxiliary battery.
The OBC and DCDC communicate voltage, current, and other information via the CAN bus, allowing for information exchange and status feedback with the Battery Management System (BMS) and Vehicle Control Unit (VCU).
- Applicable for PHEV and BEV
- Compact design for enhanced vehicle layout
- Flexible platform design
- Efficiency up to 92%
Product Parameters
Appearance
- System weight: 5.5 kg
- Size: 279*202*68 mm (connector and mounting feet not included)
Charging Mode
- Input voltage range: 85 – 265 VAC
- Rated input voltage: 220 VAC
- Input frequency range: 45 – 65 Hz
- Input current: 32 A max
- Power factor: ≥0.98 @rated input, output, half load)
- Output voltage range: 270 – 450 VDC
- Rated output voltage: 350 VDC
- Max. output current: 22 A
- Output power: 6.6 kW max.
- Efficiency: ≥92% @rated input, output
DC/DC Mode
- Input voltage range: 270 – 450 VDC
- Rated input voltage: 350 VDC
- Max. input current: 12 A
- Output voltage range: 9 – 16 VDC
- Rated output voltage: 14 VDC
- Output current: 180 A continuous
- Output power: 2.5 kW continuous
- Output power under charging status: 2 kW max.
- Efficiency: 92% @rated input, output
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