CPC B60L 53/20 (2019.02) [B60L 3/0046 (2013.01); H02M 1/0045 (2021.05); H02M 1/0067 (2021.05); H02M 3/158 (2013.01); B60L 2210/10 (2013.01); B60L 2240/527 (2013.01); B60L 2240/547 (2013.01); H02M 1/007 (2021.05)] | 17 Claims |
1. A low voltage DC-DC converter of a vehicle, the low voltage DC-DC converter comprising:
a first DC-DC converter configured to drop a second voltage lower than a first voltage supplied to a drive motor of the vehicle to a third voltage;
a voltage regulator configured to regulate the third voltage to output a fourth voltage lower than the third voltage;
a controller configured to operate in response to the fourth voltage; and
a second DC-DC converter configured to convert and output the first voltage into the third voltage in response to an output signal of the controller,
wherein an output voltage of the second DC-DC converter is supplied to the voltage regulator.
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