Detection circuit for on-board direct current/direct current (DC/DC) ground wire and on-board device
AssigneeShinry Technologies Co., Ltd.
InventorsLijun Chen, Renhua Wu
Life of this patent
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Abstract
A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.
Claims20
A detection circuit for an on-board direct current/direct current (DC/DC) ground wire, the detection circuit comprising:
- a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter, wherein:
- the DSP controller is connected with the detection circuit, the detection circuit is connected with the standby circuit for the on-board DC/DC converter and the power-supply negative wire for the on-board DC/DC converter respectively, and the detection circuit is further connected with an external input voltage;
- the detection circuit comprises a comparator, a first conductive branch, a second conductive branch, and a third conductive branch;
- and
- the comparator comprises a positive input end and a negative input end, wherein the positive input end is connected with the second conductive branch, and wherein the negative input end is connected with the first conductive branch.
An on-board device, comprising:
- a detection circuit for an on-board direct current/direct current (DC/DC) ground wire, wherein the detection circuit for the on-board DC/DC ground wire includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter, wherein:
- the DSP controller is connected with the detection circuit, the detection circuit is connected with the standby circuit for the on-board DC/DC converter and the power-supply negative wire for the on-board DC/DC converter respectively, and the detection circuit is further connected with an external input voltage;
- the detection circuit comprises a comparator, a first conductive branch, a second conductive branch, and a third conductive branch;
- and
- the comparator comprises a positive input end and a negative input end, wherein the positive input end is connected with the second conductive branch, and wherein the negative input end is connected with the first conductive branch.
Dependencies are inferred from the claim text.