Electric vehicle business
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PCU(Power Control Unit)
The PCU (Power Control Unit) is a model that integrates a low voltage DC-DC converter (LDC) for electric vehicles, an onboard charger (OBC), and a power distribution unit (PDU). It is characterized by its compact size and light weight.
Integrated PCU block diagram
Integrated PCU I/O Interface
Integrated PCU overall configuration diagram
PCU General Environment
| No | Part name | Connector | IN/OUT | Rated specifications |
|---|---|---|---|---|
| 1 | MSD | DUOSIDA | IN/OUT | 400A |
| 2 | BAT | 2P/ LSEVK | IN/OUT | 200A |
| 3 | AIRCON PTCHEATER | 2P/ DUOSIDA | OUT | 16A |
| 4 | LDC_OUT | 2P/ RECODEAL | OUT | 100A |
| 5 | CONTROLSIGNAL | 19P/ Jonhon | IN/OUT | |
| 6 | DEBUGSignal | 12P/ Jonhon | IN | |
| 7 | OBC_IN | 2P/ DUOSIDA | IN | 40A |
| 8 | INV1 | 2P/ DUOSIDA | OUT | 135A |
| 9 | INV2 | 2P/ DUOSIDA | OUT | 135A |
| 10 | OBC_FAN | SANYO | control | 12V |
| 11 | LDC_FAN | SANYO | control | 12V |
86V PCU Product Performance
| division | specification |
|---|---|
| Type | On Board Charger/ LDC |
| OBC Input Voltage | 220Vac (60 Hz) |
| OBC Output Voltage | 72~99.6Vdc (Rated 87.6VDC) |
| OBC Output | Max. 30Adc (@3.3kW) |
| Current/ Voltage Accuracy | ±1% (F.S) |
| Charging Mode | CC, CV |
| OBC Efficiency | > 93% |
| LDC Input Voltage | 72~99.6Vdc (Rated 87.6VDC) |
| LDC Output Voltage | 12.5 ~ 14.5V |
| LDC Control type | Analog |
| LDC Output | Max 84Adc(@1.2kW) |
| LDC Efficiency | > 90% |
| Operating Temp | -20~85℃ |
| Cooling Method | FAN Cooling |
| Vehicle Interface | CAN 2.0A |
| Safety | OVP, UVP, OCP, OTP, etc. |
| Dimension [mm] | 452*392*200 |
| Weight | 22.5kg |
Product List
Total 3
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ProductModel nameDivisionProduct Description
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MR-PCU_144V(AL)144V Integrated PCU for Electric VehiclesThis PCU (Power Control Unit) is used in electric vehicles with a rated voltage of 144V, and integrates the following components into a single unit:
- LDC(Low Voltage DC-DC Converter)
- OBC (On-Board Charger)
- PDU (Power Distribution Unit)
This product is developed for common platforms used in ultra-compact vehicles, featuring a compact size and lightweight design. It also offers advantages such as simplified vehicle wiring harnesses and reduced harness manufacturing costs.
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MR-PCU_86V(AL)86V Integrated PCU for Electric VehiclesThis PCU (Power Control Unit) integrates the following components used in electric vehicles:
- LDC(Low Voltage DC-DC Converter)
- OBC (On-Board Charger)
- PDU (Power Distribution Unit)
It has been developed for four types of ultra-compact electric vehicles — EV road sweepers, EV mobile laundry vehicles, EV garbage compactor trucks, and EV fire trucks. The product is characterized by its compact size and lightweight design, providing advantages such as simplified vehicle wiring harnesses and reduced harness manufacturing costs. -
MR-PCU_86V86V Integrated PCU for Electric VehiclesThis PCU (Power Control Unit) integrates the following components used in electric vehicles:
- LDC(Low Voltage DC-DC Converter)
- OBC (On-Board Charger)
- PDU (Power Distribution Unit)
It has been developed for four types of ultra-compact electric vehicles — EV road sweepers, EV mobile laundry vehicles, EV garbage compactor trucks, and EV fire trucks.
This is a specialized product featuring a cost-effective steel case and equipped with high-current relays by polarity for enhanced high-voltage line stability, along with an MSD (Manual Service Disconnector).