E-Car Div.

MIRAE E&I is a designer, developer and manufacturer of PDU (EV) circuits for electric automobiles.

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MIRAE-LDC(EV) 1.5-I (LOW Voltage DC-DC Converter)

LDC is a low-voltage DC converter that consists of a DC input device, a stop value, a DC output device, etc., in a HEV/EV/FCEV vehicle, a high voltage battery, etc. It converts the accumulated electrical energy into a low voltage, charges the 12V battery, and supplies the operating power of the vehicle electric load. Power from (Main Battery Pack) It receives power and supplies 12V of power and replaces the function of the existing internal combustion engine vehicle.

Low Voltage DC Converter
Low Voltage DC Converter
  • Protection Functions
    Over Voltage Protection
    Over Current Protection
    Over Temperature Protection
    Low Voltage Protection
  • Diagnosis Functions
    Output voltage, current sensor, communication error
  • CAN Interface(Protocol)
    High speed vehicle CAN2.0B (500kbps)
  • Connector Specification
    Signal connector : 12P/Tyco
    Input connector : 2P 30A/Tyco
    Output terminal : 1P/Rug Type
  • Normal Mode|Sleep Mode|Charging Mode
Low Voltage DC Converter
Low Voltage DC Converter
LDC General environment
Item Spec Remark
General Information Size T.B.D
Weight T.B.D
Life expectancy 5,000hours
Operating temp. -20℃ ~ 80℃
Storage temp. -24℃ ~ 125℃
Dark current 1mA or less
Humidity <RH95%
EMC TBD TBD
IP IP67
Communication(Vehcle) CAN2.0B
function Protection function OVP, LVP, OCP, OTP
Print Input voltage 200Vdc ~ 413Vdc(Rating 360V)
Output voltage/current 12.5 ~ 14.5V / Max125A@14.5V
Voltage/Current accuacy(rms) <±2%(Full Scale)
Ripple(rms) <±1%
Output rising time <10초
Maximum efficiency 94% or more
Item Spec Product picture
Input voltage(V) T.B.D Low Voltage DC Converter
Output voltage(V) T.B.D
Control method T.B.D
Volume(kW) T.B.D
Cooling method T.B.D Low Voltage DC Converter
Efficiency(%) T.B.D
Volume(mm) T.B.D
Weight(kg) T.B.D