#GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

MAGNETIC SHIELDING ASSEMBLY, MAGNETIC ATTRACTION ASSEMBLY, WIRELESS CHARGING DEVICE, AND ELECTRONIC DEVICE

A magnetic shielding assembly includes: a first magnetic shielding member; a second magnetic shielding member, disposed at a side of the first magnetic shielding member, where a first gap is formed be…

DRIVE·May 28·1 min read

H02J50/70 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

POWER SOURCE PROVIDING APPARATUS, AND CHARGING METHOD AND SYSTEM

A power supply device, includes a rectifier circuit configured to perform rectification on alternating-current power to obtain a first pulsating direct-current voltage, a first-stage conversion circui…

DRIVE·Jun 22·1 min read

H02M1/0067 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

CIRCUIT STRUCTURE, BATTERY, AND ELECTRONIC DEVICE

Provided are a circuit structure, a battery, and an electronic device. The circuit structure comprises: a battery, comprising a first positive electrode, a first negative electrode, and a battery cell…

DRIVE·Jun 15·1 min read

H01M10/4257 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

POWER SUPPLY DEVICE, CIRCUIT CONTROL METHOD, AND POWER SUPPLY SYSTEM

A power supply device includes: an input rectifier circuit configured to convert a received alternating-current power into a first pulsating direct-current voltage; a first-stage conversion circuit co…

DRIVE·Jun 1·1 min read

H02M1/0067 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

POWER SUPPLY CONVERSION DEVICE AND CHARGING CONTROL METHOD

Provided are a power supply conversion device and a charging control method. The device includes: a transformer; a first rectifier circuit connected to a primary winding of the transformer used for co…

DRIVE·Jan 5·2 min read

H02M7/2176 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

CHARGER AND CONTROL METHOD THEREOF

Provided are a charger and a control method. The charger includes: a transformer; at least one primary-side switch tube for carrying out chopping modulation on a voltage input into the transformer; a …

DRIVE·Oct 27·1 min read

H02M5/12 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

ELECTRONIC DEVICE

An electronic device is provided, belonging to the technical field of power charging. The electronic device includes a wired charging circuit, at least two wireless charging circuits, and a battery. T…

DRIVE·Oct 13·1 min read

H02J50/12 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

WIRELESS CHARGING DEVICE

A wireless charging device includes a shell, a coil assembly, a main board assembly and a heat dissipation assembly. The shell is defined with first and second air ports, the coil assembly and the mai…

DRIVE·Sep 22·2 min read

H02J50/10 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

ADAPTER AND CHARGING METHOD

Provided are an adapter and a charging method. The adapter includes: at least one filter capacitor () having a capacitance smaller than a predetermined threshold and configured to filter a rectified a…

DRIVE·Sep 22·1 min read

H02J7/04 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

TO-BE-CHARGED DEVICE, WIRELESS CHARGING DEVICE, AND WIRELESS CHARGING METHOD

Provided are a to-be-charged device, a wireless charging device, and a wireless charging method. The to-be-charged device includes a battery, at least two wireless receiver circuits, and a control cir…

DRIVE·Aug 25·1 min read

H02J50/402 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

WIRELESS RECEIVING DEVICE, WIRELESS CHARGING SYSTEM, WIRELESS CHARGING METHOD

A wireless receiving device, a wireless charging system and a wireless charging method are provided. The device includes a plurality of receiving coils coupled with a transmitting coil respectively, a…

DRIVE·Aug 18·1 min read

H02J50/80 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

DEVICES TO BE CHARGED AND CHARGING CONTROL METHODS

Provided is a device to be charged. The device includes: a battery supply circuit, including first and second cells configured to switch between being coupled in parallel with each other and being cou…

DRIVE·Jul 28·2 min read

H02J7/0024 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

DEVICE TO-BE-CHARGED AND WIRELESS CHARGING METHOD

A device to-be-charged and a wireless charging method are provided. The device to-be-charged includes a receiving coil, a first charging unit, and a second charging unit. The receiving coil includes a…

DRIVE·Jul 28·1 min read

H02J50/12 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

ELECTRONIC DEVICE

An electronic device, including: a housing, a battery, and a circuit board assembly. The housing is provided with a power interface. The battery includes a battery protection board and a cell. The cir…

DRIVE·Jul 21·1 min read

H02J7/00309 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

CHARGER

A charger is provided. The charger includes a body and a pin. The body includes a main body, a first cover body, and a second cover body. The pin is fixedly disposed on the main body. The first cover …

DRIVE·Jul 21·2 min read

H01R13/447 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

BATTERY MANAGEMENT CIRCUIT, DEVICE TO BE CHARGED, AND POWER MANAGEMENT METHOD

Battery management circuits include a first charging channel, a Cuk circuit, and a communication control circuit. A battery is charged through the first charging channel based on charging voltage and/…

DRIVE·Jul 14·1 min read

H02J7/0019 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

WIRELESS CHARGING DEVICE, TO-BE-CHARGED DEVICE, AND CHARGING

A to-be-charged device includes at least two receiving branches, a charging control module, and a battery. Each receiving branch is separately connected to the charging control module and the battery.…

DRIVE·Jul 7·1 min read

H02J50/80 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

CHARGING CONTROL APPARATUS AND METHOD FOR ELECTRONIC DEVICE

A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, …

DRIVE·May 5·2 min read

H02J7/0071 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Device to be Charged and Charging Method

Provided are a to-be-charged device and a charging method. The method includes: identifying a type of a power supply device connected to the to-be-charged device through a charging interface of the to…

DRIVE·May 5·1 min read

H02J7/007194 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Rechargeable Device and Charging Method

A rechargeable device and a charging method are disclosed. The rechargeable device includes a charging interface, a battery unit, a first switch unit and a second switch unit, a first control unit cou…

DRIVE·Apr 21·1 min read

H02J7/00712 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

WIRELESS CHARGING APPARATUS, METHOD AND SYSTEM

Disclosed are a wireless charging apparatus, a wireless charging method, and a wireless charging system. The wireless charging apparatus includes: a charging interface; a wireless transmitting circuit…

DRIVE·Apr 14·1 min read

H02J50/12 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Quick Charging Method, Mobile Terminal, and Power Adapter

In embodiments of the present disclosure, after a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication inform…

DRIVE·Mar 24·1 min read

H02J7/007 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

STEP-DOWN CIRCUIT, ELECTRONIC DEVICE, AND STEP-DOWN METHOD

A step-down circuit, an electronic device, and a step-down method are disclosed. The step-down circuit includes a positive input terminal and a negative input terminal for receiving an input voltage; …

DRIVE·Mar 3·1 min read

H02J7/00712 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

POWER SUPPLY CIRCUIT, CHARGING-DISCHARGING CIRCUIT AND INTELLIGENT TERMINAL

A power supply circuit, a charging-discharging circuit and an intelligent terminal are provided. The power supply circuit includes a lithium-ion battery unit having a silicon anode and a lithium-ion b…

DRIVE·Feb 3·1 min read

H01M10/46 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Power Matching Method and Apparatus for Wireless Charging, and Wireless Charging Apparatus

Disclosed are a power matching method and apparatus for wireless charging, and a wireless charging apparatus. The method includes receiving first sensing information sensed from a transmitting coil of…

DRIVE·Jan 27·1 min read

H02J50/12 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Device to be Charged with Multiple Charging Channels, Charging Method, and Charging Control Circuit with Multiple Charging Channels

A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series, a conversion circuit, a first charging chann…

DRIVE·Jan 27·1 min read

H02J7/0068 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

METHOD AND APPARATUS FOR CHARGING, DEVICE, AND STORAGE MEDIUM

Embodiments of the present disclosure disclose a method for charging, an apparatus for charging, a device and a storage medium. The method includes determining a degree of change in charging performan…

DRIVE·Jan 27·1 min read

H02J7/007182 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

CHARGING AND DISCHARGING CONTROL METHOD, AND DEVICE

The present disclosure discloses a method for charging and discharging control, and a device. The method can be applied to a device. The device includes a first battery unit and a second battery unit …

DRIVE·Jan 6·1 min read

H02J7/0014 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

POWER SUPPLY DEVICE, ELECRONIC DEVICE AND POWER SUPPLY METHOD

A power supply device, an electronic apparatus, and a power supply method are provided. The power supply device comprises a first buck circuit used to convert, if a single battery cell in N cells conn…

DRIVE·Jan 6·1 min read

H02M3/1582 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

DEVICE TO BE CHARGED, AND CHARGING AND DISCHARGING CONTROL METHOD

A device to be charged and a charging and discharging control method are disclosed. The device to be charged includes: a first battery unit and a second battery unit connected in series; a charging ci…

DRIVE·Jan 6·2 min read

H02J7/007182 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Test System and Test Method for Charging Device

The present disclosure provides a test system and a test method for a charging device. The test system for the charging device includes a charging device and a power supply module. The charging device…

DRIVE·Dec 30·2 min read

H02J7/0047 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Charging Control Apparatuses, Devices to be Charged, and Charging Control Methods

A charging control apparatus, a device to be charged, and a charging control method are provided. The charging control apparatus includes: a first charging channel configured to charge a plurality of …

DRIVE·Dec 2·1 min read

H02J7/0019 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

APPARATUS AND METHOD FOR POWER SUPPLY AND ELECTRONIC DEVICE

The present disclosure discloses an apparatus and a method for power supply and an electronic device. The apparatus for power supply includes a first battery and a second battery connected in series, …

DRIVE·Nov 25·1 min read

H01M10/425 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Charging Circuit, Charging Method, and Terminal

Disclosed in embodiments of the present application are a charging circuit, a charging method, a terminal and a computer storage medium, the charging circuit comprising a charging interface, a control…

DRIVE·Nov 25·1 min read

H02J7/0042 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

WIRELESS CHARGING CONTROL METHOD AND CHARGING CONTROL DEVICE

Provided are a wireless charging control method, a charging control device and a device to-be-charged. The method includes: according to an output voltage of a wireless receiving circuit, determining …

DRIVE·Nov 4·1 min read

H02J50/80 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Charging Management Circuit, Terminal and Charging Method

A charging management circuit, a terminal and a charging method are provided. The charging management circuit includes: a first output end, configured to output constant current to a cell, for perform…

DRIVE·Oct 28·1 min read

H02J7/007182 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Test Board, Test System and Test Method for Charging Device

Embodiments of the present disclosure provide a test system, a test method, and a test board for a charging device. The test board includes: a connecting circuit, configured to be connected to a charg…

DRIVE·Oct 28·1 min read

G01R31/40 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

WIRELESS CHARGING METHOD, DEVICE TO-BE-CHARGED AND WIRELESS CHARGING SYSTEM

Disclosed are a wireless charging method, a device to-be-charged and a wireless charging system. The method can be applied to the wireless charging system, which includes the device to-be-charged and …

DRIVE·Oct 7·1 min read

H02J50/90 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

DEVICE AND METHOD FOR CHARGING CONTROL, ELECTRONIC DEVICE

A device and a method for charging control, and an electronic device are provided. The device includes an interface module configured to be connected to an external charging device; a battery unit inc…

DRIVE·Oct 7·1 min read

H02J7/0014 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

CHARGING DEVICE, DEVICE TO BE CHARGED, CHARGING METHOD, AND COMPUTER STORAGE MEDIUM

A charging device includes a control unit used for controlling, when determined as being in a wireless charging mode, a path to be connected between a charging management unit and a wireless charging …

DRIVE·Sep 30·1 min read

H02J7/0068 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.