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US 2024/0204550 A1Published application
Multi path battery charger
AssigneeRenesas Electronics America Inc.
InventorsMihail Jefremow, Amit Bavisi, Jiangjian Huang, Xue Ke, Turev Acar
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Abstract
In an embodiment, a semiconductor device is disclosed that includes a wired input/output, a wireless input/output, and a battery. A wired charging path between the wired input/output and the battery includes a first transistor and a second transistor. A wireless charging path between the wireless input/output and the battery includes a third transistor and the second transistor.
Claims20
A semiconductor device comprising:
- a wired input/output;
- a wireless input/output;
- a battery;
- a wired charging path between the wired input/output and the battery comprising:
- a first transistor;
- and
- a second transistor;
- a wireless charging path between the wireless input/output and the battery comprising:
- a third transistor;
- and
- the second transistor.
8 more elements
A method performed by hardware, the method comprising:
- detecting a current difference across a first transistor of a semiconductor device, the semiconductor device comprising the first transistor, a second transistor and a third transistor, the first transistor and the second transistor being disposed on a wired charging path of the semiconductor device between a wired input/output of the semiconductor device and a battery of the semiconductor device, the first transistor and the third transistor being disposed on a wireless charging path of the semiconductor device between a wireless input/output of the semiconductor device and the battery;
- generating a signal based at least in part on the current difference;
- and
- transmitting the signal to a rectifier controller of the semiconductor device, the rectifier controller being configured to control an activation of the third transistor based at least in part on the signal.
1 more element
An integrated circuit comprising:
- a wired input/output;
- a wireless input/output;
- a battery;
- a wired charging path between the wired input/output and the battery comprising:
- a wired connector transistor;
- a regulator transistor;
- and
- a charger transistor;
- a wireless charging path between the wireless input/output and the battery comprising:
- a rectifier transistor;
- the regulator transistor;
- and
- the charger transistor;
- a rectifier controller that is configured to control an activation of the rectifier transistor;
- and
- a power flow detector circuit that is configured to:
- detect a current difference across the regulator transistor:
- generate a signal based at least in part on the current difference;
- and
- transmit the signal to the rectifier controller, the rectifier controller being configured to control the activation of the rectifier transistor based at least in part on the signal.
17 more elements
Dependencies are inferred from the claim text.