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US 2024/0204671 A1Published application
Bias power regulator circuit for isolated converters with a wide output voltage range
AssigneeTexas Instruments Incorporated
InventorsPei-Hsin LIU, Richard Lee VALLEY, Bharath Balaji KANNAN
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Abstract
A circuit includes a transistor having a first current terminal, a second current terminal, and a control terminal; and a current sense circuit coupled to the second current terminal. The circuit also includes modulation circuitry coupled to the control terminal and to the current sense circuit and a mode controller coupled to the modulation circuitry.
Claims20
A circuit comprising:
- a transistor having a first current terminal, a second current terminal, and a control terminal;
- a current sense circuit coupled to the second current terminal;
- modulation circuitry coupled to the control terminal and to the current sense circuit;
- and
- a mode controller coupled to the modulation circuitry.
2 more elements
A circuit comprising:
- a controller;
- a transistor having a first current terminal, a second current terminal, and a control terminal, the first current terminal coupled to the controller;
- a current sense circuit coupled to the second current terminal;
- and
- a control circuit coupled to the control terminal, to the current sense circuit, and to the controller.
2 more elements
A circuit, comprising:
- a power transformer having a primary winding, a secondary winding, and an auxiliary winding;
- a first switch having a first current terminal, a second current terminal, and a first control terminal, the first current terminal coupled to the primary winding;
- a controller coupled to the first control terminal of the first switch;
- a second switch having a third current terminal, a fourth current terminal, and a second control terminal, the third current terminal coupled to the controller and to the auxiliary winding;
- and
- a control circuit coupled to the controller and to the third current terminal.
3 more elements
Dependencies are inferred from the claim text.