US 12,633,833 B2Granted

Bipolar DC-DC auto-converter module

AssigneeTerminal Power LLC

InventorGerald Murray Brown

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Abstract

A bipolar DC-DC auto-converter module includes a positive source terminal, a negative source terminal, a positive load terminal, a negative load terminal, a first isolated DC-DC converter, and a second isolated DC-DC converter. The first isolated DC-DC converter includes a first input circuit and a first output circuit. The first input circuit includes a first positive input terminal and a first negative input terminal. The first output circuit comprises a first positive output terminal and a first negative output terminal. The second isolated DC-DC converter includes a second input circuit and a second output circuit. The second input circuit includes a second positive input terminal and a second negative input terminal. The second output circuit includes a second positive output terminal and a second negative output terminal.

Claims30

Dependent claims

A bipolar DC-DC auto-converter module comprising:

a positive source terminal;
a negative source terminal that cooperates with the positive source terminal to facilitate electrical connection of a DC power source to the auto-converter module;
a positive load terminal;
a negative load terminal that cooperates with the positive load terminal to facilitate electrical connection of an electrical load to the auto-converter module;
and
a first isolated DC-DC converter comprising:
a first input circuit comprising:
a first positive input terminal that is galvanically connected to the positive source terminal;
and
a first negative input terminal;
and
a first output circuit that is galvanically isolated from the first input circuit within the first isolated DC-DC converter, the first output circuit comprising:
a first positive output terminal that is galvanically connected to the positive load terminal;
and
a first negative output terminal that is galvanically connected to the first positive input terminal;
and
a second isolated DC-DC converter that comprises:
a second input circuit comprising:
a second positive input terminal that is galvanically connected to the first negative input terminal;
and
a second negative input terminal that is galvanically connected to the negative source terminal;
and
a second output circuit that is galvanically isolated from the second input circuit within the second isolated DC-DC converter, the second output circuit comprising:
a second positive output terminal that is galvanically connected to the second negative input terminal;
and
a second negative output terminal that is galvanically connected to the negative load terminal.

23 more elements

A bipolar DC-DC auto-converter module comprising:

a positive source terminal;
a negative source terminal that cooperates with the positive source terminal to facilitate electrical connection of a DC power source to the auto-converter module;
a positive load terminal;
a negative load terminal that cooperates with the positive load terminal to facilitate electrical connection of an electrical load to the auto-converter module;
and
a first isolated DC-DC converter comprising:
a first input circuit comprising:
a first positive input terminal;
and
a first negative input terminal that is galvanically connected to the positive source terminal;
and
a first output circuit that is galvanically isolated from the first input circuit within the first isolated DC-DC converter, the first output circuit comprising:
a first positive output terminal that is galvanically connected to the first positive input terminal and the positive load terminal;
and
a first negative output terminal;
a second isolated DC-DC converter that comprises:
a second input circuit comprising:
a second positive input terminal that is galvanically connected to the negative source terminal;
and
a second negative input terminal;
and
a second output circuit that is galvanically isolated from the second input circuit within the second isolated DC-DC converter, the second output circuit comprising:
a second positive output terminal that is galvanically connected to the first negative output terminal;
and
a second negative output terminal that is galvanically connected to the second negative input terminal and the negative load terminal.

22 more elements

A bipolar DC-DC auto-converter module comprising:

a positive source terminal;
a negative source terminal that cooperates with the positive source terminal to facilitate electrical connection of a DC power source to the auto-converter module;
a positive load terminal;
a negative load terminal that cooperates with the positive load terminal to facilitate electrical connection of an electrical load to the auto-converter module;
and
a first isolated DC-DC converter comprising:
a first input circuit comprising:
a first positive input terminal that is galvanically connected to the positive source terminal;
and
a first negative input terminal;
and
a first output circuit that is galvanically isolated from the first input circuit within the first isolated DC-DC converter, the first output circuit comprising:
a first positive output terminal that is galvanically connected to the first positive input terminal;
and
a first negative output terminal that is galvanically connected to the positive load terminal;
and
a second isolated DC-DC converter that comprises:
a second input circuit comprising:
a second positive input terminal that is galvanically connected to the first negative input terminal;
and
a second negative input terminal that is galvanically connected to the negative source terminal;
and
a second output circuit that is galvanically isolated from the second input circuit within the second isolated DC-DC converter, the second output circuit comprising:
a second positive output terminal that is galvanically connected to the negative load terminal;
and
a second negative output terminal that is galvanically connected to the second negative input terminal.

23 more elements

A bipolar DC-DC auto-converter module comprising:

a positive source terminal;
a negative source terminal that cooperates with the positive source terminal to facilitate electrical connection of a DC power source to the auto-converter module;
a positive load terminal;
a negative load terminal that cooperates with the positive load terminal to facilitate electrical connection of an electrical load to the auto-converter module;
and
a first isolated DC-DC converter comprising:
a first input circuit comprising:
a first positive input terminal that is galvanically connected to the positive source terminal;
and
a first negative input terminal;
and
a first output circuit that is galvanically isolated from the first input circuit within the first isolated DC-DC converter, the first output circuit comprising:
a first positive output terminal that is galvanically connected to the first negative input terminal and the positive load terminal;
and
a first negative output terminal;
a second isolated DC-DC converter that comprises:
a second input circuit comprising:
a second positive input terminal;
and
a second negative input terminal that is galvanically connected to the negative source terminal;
and
a second output circuit that is galvanically isolated from the second input circuit within the second isolated DC-DC converter, the second output circuit comprising:
a second positive output terminal that is galvanically connected to the first negative output terminal;
and
a second negative output terminal that is galvanically connected to the second positive input terminal and the negative load terminal.

22 more elements

Dependencies are inferred from the claim text.

Facts

Application: 19/362,358Filed 18 Oct 2025 · us provisional application
Priority: 20 Oct 2024
Published: US 2026/0112973 A123 Apr 2026
Granted: 19 May 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

H02M 1/0093
Converters characterised by their input or output configuration: wherein the output is created by adding a regulated voltage to or subtracting it…
H02M 3/158
With automatic control of output voltage or current, e.g. switching regulators: including plural semiconductor devices as final control devices…
H02M 1/007
Converter structures employing plural converter units, other than for parallel operation of the units on a single load: plural converter units in…
H02M 1/0074
Converter structures employing plural converter units, other than for parallel operation of the units on a single load: plural converter units…