Patents
US 12672551 B2: Transformer-based isolator with sense coil
- Granted
- 2026-06-30
- Filed
- 2023-05-23 application 18321859
- Type
- Utility · 29 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Aspects of the present disclosure include systems, structures, integrated circuit (IC) packages or modules, circuits, and methods providing a transformer with first and second coils and a sense coil configured adjacent to and closely coupled with the second coil. The circuits, ICs and IC packages and modules may include various types of circuits. In some examples, IC packages or modules may include a galvanically-isolated gate driver or other high voltage circuit.
Source: PTBLXML, file of 2026-06-30 (ipgb20260630.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Allegro MicroSystems, LLC 910 patents | US company or organization | Manchester, NH | ALLEGRO MICROSYSTEMS, INC. SEC filer FUZZY low confidence: same name (legal endings aside), one of each nationally | PTBLXML, file of 2026-06-30 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| John Horan | Cork, IE | 4 | PTBLXML, file of 2026-06-30 | |
| Paddy Collins | Cork, IE | 2 | PTBLXML, file of 2026-06-30 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H10W | Generic packages, interconnections, connectors or other constructional details of devices covered by class h10 | H10W44/501 | PTBLXML, file of 2026-06-30 |
| H01F | Magnets; inductances; transformers; selection of materials for their magnetic properties | H01F27/324 | PTBLXML, file of 2026-06-30 |
| H02M | Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; conversion of dc or ac input power into surge output power; control or regulation thereof | H02M3/33523 | PTBLXML, file of 2026-06-30 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-05-23 | Assignment Assignment of assignor's interest | HORAN, JOHN signed 2023-05-21 COLLINS, PADDY signed 2023-05-23 ALLEGRO MICROSYSTEMS FRANCE SAS signed 2023-05-21 ALLEGRO MICROSYSTEMS EUROPE LIMITED signed 2023-05-21 ALLEGRO MICROSYSTEMS IRELAND, LIMITED signed 2023-05-21 HEYDAY INTEGRATED CIRCUITS signed 2023-05-21 | ALLEGRO MICROSYSTEMS, LLC MANCHESTER, NH | 63725/861 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.