Electronic device having a charging voltage regulation circuit
First Claim
1. An electronic device, comprising:
- a battery module;
a first switch circuit, coupled to the battery module;
a connector, coupled to the first switch circuit;
a voltage stabilizer, coupled to the connector;
a controller circuit, coupled to the voltage stabilizer, the connector, the first switch circuit and the battery module, and a configuration channel being implemented between the controller circuit and the connector;
a voltage regulating circuit, coupled to the battery module and the controller circuit; and
a second switch circuit, coupled to the voltage regulating circuit, the connector and the controller circuit;
wherein when a voltage of the battery module is lower than a threshold voltage and the connector is only connected to a first power source, the first power source provides an activating voltage to the controller circuit through the voltage stabilizer, so as to enable the controller circuit, the connector sends a first detection signal to the controller circuit through the configuration channel, and the controller circuit sends a first control signal to turn on the first switch circuit according to the first detection signal, so that the first power source charges the battery module through the first switch circuit,wherein when the connector only connects to an external electronic device and the connector sends a second detection signal to the controller circuit, the controller circuit sends a second control signal to turn on the second switch circuit according to the second detection signal so that the battery module charges the external electronic device through the voltage regulating circuit and the second switch circuit, wherein the controller circuit comprises an embedded controller and a connector controller, the embedded controller is configured to detect a system state of the electronic device, and the embedded controller controls an operating mode of the connector controller according to the system state.
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Accused Products
Abstract
An electronic device includes a battery module, a first switch circuit, a connector, a voltage stabilizer and a controller circuit. The controller circuit is coupled to the connector and the first switch circuit. A configuration channel is implemented between the controller circuit and the connector. When a voltage of the battery module is lower than a threshold voltage and is only connected to a first power source, the first power source provides an activating voltage to the controller circuit through the voltage stabilizer, so as to enable the controller circuit. The connector sends a first detection signal to the controller circuit through the configuration channel. The controller circuit sends a first control signal to turn on the first switch circuit according to the first detection signal, so that the first power source charges the battery module through the first switch circuit.
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Citations
6 Claims
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1. An electronic device, comprising:
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a battery module; a first switch circuit, coupled to the battery module; a connector, coupled to the first switch circuit; a voltage stabilizer, coupled to the connector; a controller circuit, coupled to the voltage stabilizer, the connector, the first switch circuit and the battery module, and a configuration channel being implemented between the controller circuit and the connector; a voltage regulating circuit, coupled to the battery module and the controller circuit; and a second switch circuit, coupled to the voltage regulating circuit, the connector and the controller circuit; wherein when a voltage of the battery module is lower than a threshold voltage and the connector is only connected to a first power source, the first power source provides an activating voltage to the controller circuit through the voltage stabilizer, so as to enable the controller circuit, the connector sends a first detection signal to the controller circuit through the configuration channel, and the controller circuit sends a first control signal to turn on the first switch circuit according to the first detection signal, so that the first power source charges the battery module through the first switch circuit, wherein when the connector only connects to an external electronic device and the connector sends a second detection signal to the controller circuit, the controller circuit sends a second control signal to turn on the second switch circuit according to the second detection signal so that the battery module charges the external electronic device through the voltage regulating circuit and the second switch circuit, wherein the controller circuit comprises an embedded controller and a connector controller, the embedded controller is configured to detect a system state of the electronic device, and the embedded controller controls an operating mode of the connector controller according to the system state. - View Dependent Claims (2)
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3. An electronic device, comprising:
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a battery module; a first switch circuit, coupled to the battery module; a connector, coupled to the first switch circuit; a voltage stabilizer, coupled to the connector; a controller circuit, coupled to the voltage stabilizer, the connector, the first switch circuit and the battery module, and a configuration channel being implemented between the controller circuit and the connector; a voltage regulating circuit; a second power source, for powering the voltage regulating circuit; and a boost converter, coupled to the connector and the voltage regulating circuit; wherein when a voltage of the battery module is lower than a threshold voltage and the connector is only connected to a first power source, the first power source provides an activating voltage to the controller circuit through the voltage stabilizer, so as to enable the controller circuit, the connector sends a first detection signal to the controller circuit through the configuration channel, and the controller circuit sends a first control signal to turn on the first switch circuit according to the first detection signal, so that the first power source charges the battery module through the first switch circuit; wherein when the connector is connected to the first power source outside of the electronic device, the boost converter transforms the first power source to a supply power, so that the supply power and the second power source cooperatively power the voltage regulating circuit, wherein the controller circuit comprises an embedded controller and a connector controller, the embedded controller is configured to detect a system state of the electronic device, and the embedded controller controls an operating mode of the connector controller according to the system state. - View Dependent Claims (4)
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5. An electronic device, comprising:
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a battery module; a first switch circuit, coupled to the battery module; a connector, coupled to the first switch circuit; a voltage stabilizer, coupled to the connector; a controller circuit, coupled to the voltage stabilizer, the connector, the first switch circuit and the battery module, and a configuration channel being implemented between the controller circuit and the connector; and a multiplexer circuit, coupled to the connector and the controller circuit; wherein when a voltage of the battery module is lower than a threshold voltage and the connector is only connected to a first power source, the first power source provides an activating voltage to the controller circuit through the voltage stabilizer, so as to enable the controller circuit, the connector sends a first detection signal to the controller circuit through the configuration channel, and the controller circuit sends a first control signal to turn on the first switch circuit according to the first detection signal, so that the first power source charges the battery module through the first switch circuit; wherein the controller circuit comprises an identification database, the identification database comprises a plurality of identification data, and when the connector is connected to an external electronic device, the controller circuit receives a device identification data of the external electronic device, so as to determine whether the device identification data conforms to one of the identification data; wherein when the device identification data does not conform to one of the identification data, the controller circuit sends a third control signal to the multiplexer circuit, so that the external electronic device is not able to transmit data to the electronic device through the multiplexer circuit, wherein the controller circuit comprises an embedded controller and a connector controller, the embedded controller is configured to detect a system state of the electronic device, and the embedded controller controls an operating mode of the connector controller according to the system state. - View Dependent Claims (6)
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Specification