CPC H02J 7/007 (2013.01) [H02J 7/0042 (2013.01); H02J 7/06 (2013.01); H02M 3/33592 (2013.01); H02J 2207/20 (2020.01); H02M 7/219 (2013.01); H02P 27/06 (2013.01)] | 19 Claims |
1. A charger comprising:
a charging interface;
a converter coupled to the charging interface, the converter comprising:
a first plurality of switching transistors coupled to the charging interface,
a transformer comprising a primary winding, a secondary winding, and an auxiliary winding, wherein the primary winding is coupled to the first plurality of switching transistors,
a second plurality of switching transistors coupled between the secondary winding and a battery interface, and
an auxiliary system interface coupled to the auxiliary winding;
a rectifier coupled between the charging interface and the first plurality of switching transistors, comprising an intermediate bus capacitor coupled to the first plurality of switching transistors; and
a controller configured to control the first plurality of switching transistors and the second plurality of switching transistors to generate a first signal at the battery interface and a second signal at the auxiliary system interface;
wherein the converter comprises:
a primary bus capacitor coupled between the second plurality of switching transistors and the battery interface; and
an auxiliary bus capacitor coupled between auxiliary winding and the auxiliary system interface.
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