Hyundai Ioniq: Low Voltage DC/DC Converter (LDC) / Specifications

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System / Low Voltage DC/DC Converter (LDC) / Specifications

Specification

Item	Specification
Input Voltage (V)	200 - 310
Output Voltage (V)	12.8 - 14.7
Rated Power (kW)	1.8
Cooling Method	Water-cooled

Description and operation

DescriptionThe Low Voltage DC/DC is integrated into the HPCU. It charges the auxiliary battery as a substitute for generator by converting the high voltage (DC 270V) from the high voltage battery into low voltage (DC 12V)...

Components and components location

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Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Schematic diagrams

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Hyundai Ioniq (AE) 2017-2025 Service Manual: MDPS Control Unit. Repair procedures

Replacement • If a DTC occurs in the ECU, check the connectors and wiring. If no problem is found, replace the ECU. • Before replacing the MDPS ECU, use the diagnostic device to read the settings of the old ECU1...