Onboard EV Chargers
Efficient AC Charging Built Into Every Vehicle
Joulepoint onboard chargers deliver smart, bidirectional charging with integrated safety and connectivity for modern electric vehicles.
Key Features
Discover the advanced features that drive next-generation hardware performance.
Bidirectional Charging
Supports V2G/V2H enabling energy flow both to and from the grid.
- •AC-DC and DC-AC modes
- •V2G/V2H ready
- •Programmable power limits
Adaptive Power Modes
Automatically adjusts output to single or three-phase AC sources.
- •3.3–22 kW range
- •Single & three-phase
- •Active PFC
Integrated Safety
Built-in protections keep vehicles and grids secure during charging.
- •Isolation monitoring
- •Over-temperature cutoff
- •Short-circuit protection
Connected Diagnostics
Real-time data and remote firmware updates over CAN or Ethernet.
- •OTA updates
- •CAN / Ethernet
- •Error logging
Benefits
High Efficiency
Greater than 96% conversion reduces energy loss.
Modular Design
Scales from 3.3 kW to 22 kW for multiple vehicle classes.
Vehicle Integration
Communicates via CAN or Ethernet for seamless control.
Reliable Operation
Rugged design performs from -40°C to 85°C.
Global Compliance
Meets IEC, SAE, and GB charging standards.
Lightweight
Compact package minimizes vehicle mass.
Technical Specifications
3.3 kW AC → DC Charger
Compact single‑phase onboard charger for low power applications.
| Items | Technical Parameters | Remarks |
|---|---|---|
| Operating temp. | -40–85℃ | Working for long time |
| Nominal output power | 3.3 kW | |
| Input voltage range | Single phase 85‒265 VAC | |
| Nominal output voltage | 330 V DC | |
| Output voltage range | 200–450 V DC | |
| Max output current | 10 A DC | |
| Auxiliary power | 9–32 V DC | VCC |
| Efficiency | ≥94% | Typical efficiency |
| Voltage accuracy | ±1% | |
| Current accuracy | ±3% | |
| Low voltage wake‑up | 200 mA max (WAKE_UP) | Wake up BMS/VCU, Voltage follows VCC |
| Wake‑up method | AC, CC/CP, EN (hardware enable) | Support reserve charging function |
| CAN communication | CAN‑BUS | |
| Static current | ≤2 mA | Sleep mode/Battery current consumption under stop status |
| Protections | Input OVP/UVP, output OVP/UVP, OTP, OCP, output short‑circuit protection, CAN communication breakdown protection | |