US 12,009,768 B2
Interface circuit of vehicle-mounted control unit, apparatus, vehicle, and control method
Zixu Wu, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Jul. 13, 2022, as Appl. No. 17/863,654.
Application 17/863,654 is a continuation of application No. PCT/CN2020/081650, filed on Mar. 27, 2020.
Prior Publication US 2022/0345058 A1, Oct. 27, 2022
Int. Cl. H02P 3/00 (2006.01); B60R 16/023 (2006.01); G06F 13/40 (2006.01); H02P 5/00 (2016.01); H02P 5/46 (2006.01); H02P 6/08 (2016.01); H02P 7/03 (2016.01); H03K 19/017 (2006.01); H04L 25/49 (2006.01); H04L 12/40 (2006.01)
CPC H02P 7/04 (2016.02) [B60R 16/0238 (2013.01); G06F 13/4068 (2013.01); H02P 6/085 (2013.01); H03K 19/01721 (2013.01); H04L 25/4902 (2013.01); H04L 12/40 (2013.01); H04L 2012/40215 (2013.01); H04L 2012/40273 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An interface circuit of a vehicle-mounted control unit, wherein the interface circuit comprises: an H-bridge circuit, an input branch, wherein
an input end of the H-bridge circuit is connected to a controller, and an output end of the H-bridge circuit is connected to an interface port IO of the interface circuit;
a first end of the input branch is connected to the interface port IO, and a second end of the input branch is connected to the controller, and
the interface circuit is configured as one or more of the following interfaces under the control of the controller: an H-bridge output interface, a 12 V power output interface, a 5 V digital signal output interface, a 5 V digital signal input interface, a 12 V digital signal input interface, a local interconnect network (LIN) bus interface, or a single edge nibble transmission (SENT) bus interface.