Electric vehicle business
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OBC (On Board Charger)
OBC is composed of a stop value, a DC output device, a constant voltage reference device, etc. and is used to charge the battery pack of an electric vehicle It is a high-voltage battery pack charger that is mounted on a vehicle with a fully automatic charging rectifier.
Control performance
- Power factor control to meet input and power supply AC power standards
- DC link voltage and current control
CAN Interface(Protocol)
- High speed vehicle CAN2.0B (500kbps)
Protection Functions
- Over Voltage Fault
- Over Voltage Warning, Derating
- Over Current Fault
- Over Temperature Fault
- Over Temperature Warning, Derating
- Battery Pack Assy Protection: Output is restricted when the battery pack malfunctions in conjunction with BMS
Protection function
- Output limit when the maximum capacity of OBC is exceeded
- Output limit when exceeding OBC limit temperature
- Limits the output when the battery pack is in contact with BMS
Cooperative control
- Output voltage current limit according to BMS and charging
- If necessary, coordinate control with other system controllers
- BMS and charging start/stop sequence
- Charging stand interlocking control
OBC Connector Specifications
시그널 커넥터
OBC 입력커넥터 (AC220V)
Input Wire Hamess Connector
출력 커넥터
OBC 일반환경
| 항목 | Spec | 비고 | |
|---|---|---|---|
| General Information | Size | 318.5 X 285.5 X (H)133.5mm | Connector포함 |
| Weight | 7.5kg | ||
| Operating temp. | -20℃ ~ 80℃ | ||
| Storage temp | -24℃ ~ 125℃ | ||
| Dark current | 1mA이하 | ||
| Humidity | <RH95% | ||
| EMC | T.B.D | T.B.D | |
| IP | IP67 | ||
| Communication(Vehcle) | CAN2.0A | 전류센싱, HVIL | |
| Insulation resistance | CAN 2.0 / J1772 & (Option: J1939) | ||
| function | Protection function | OVP, LVP, OCP, OTP | |
| Input/Output | Input voltage | 110/220Vac 60 Hz | |
| Output voltage/current |
Type1: 37~61VDC (Rated 51V) @Max 65A Type2: 72~99.6VDC (Rated 86V) @Max 30A Type3: 120~165VDC (Rated 144V)@Max 23A |
출력사양 주문선택 |
|
| Accuracy(rms) | <±1%(Full Scale) | Voltage, Current | |
| Volume | 3.3kW | ||
| Ripple(rms) | <±1% | ||
| Charging Mode | CC,CV | ||
| Cooling Method | Fan Cooling | ||
| Maximum efficiency | 94% or more |
roduct exploded view
Block Diagram
Slow / Quick charger Functions
Product List
Total 3
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ProductModel nameDivisionProduct Description
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MR-OBC(3.3kW)_513.3kW OBCThis product is an AC-DC power conversion device used in electric vehicles. It is referred to as an on-board charger (OBC), which receives 220VAC power from a household outlet or a charging station and charges the vehicle’s main battery (51VDC).
It is a compact 3.3kW charger applicable to commercial and special-purpose EVs, capable of charging battery packs with CC and CV control, with an output specification of 37V–61VDC (Rated 51VDC). -
MR-OBC(3.3kW)_863.3kW OBCThis product is an AC-DC power conversion device used in electric vehicles. It is referred to as an on-board charger (OBC), which receives 220VAC power from a household outlet or a charging station and charges the vehicle’s main battery (86VDC).
It is a compact 3.3kW charger applicable to commercial and special-purpose EVs, capable of charging battery packs with CC and CV control, with an output specification of 72V~99.6VDC (Rated 86VDC).
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MR-OBC(3.3kW)_1443.3kW OBCThis product is an AC-DC power conversion device used in electric vehicles. It is referred to as an on-board charger (OBC), which receives 220VAC power from a household outlet or a charging station and charges the vehicle’s main battery (144VDC).
It is a compact 3.3kW charger applicable to commercial and special-purpose EVs, capable of charging battery packs with CC and CV control, with an output specification of 120V~165VDC (Rated 144VDC).