#PHIHONG TECHNOLOGY CO., LTD.

INTELLIGENT POWER CHARGING DEVICE WITH A DIRECT CHARGING MODE

A power charging device with a direct charging mode includes a power conversion module, having a primary-side circuit electrically connected to a primary side of a transformer and an output rectifier …

DRIVE·Mar 19·1 min read

H02J7/971 PHIHONG TECHNOLOGY CO., LTD.

CARD-TYPE USB C TRANSFER DEVICE

A card-type USB C transfer device, which includes a first connection interface for coupling and electrically connecting a portable power source, a second connection interface for coupling and electric…

DRIVE·Mar 28·1 min read

H01B9/006 PHIHONG TECHNOLOGY CO., LTD.

DETECTION CIRCUITRY FOR CONTROL PILOT ABNORMALITY OF A DC CHARGING PILE

A detection circuit for control pilot abnormality of a DC charging pile, which is electrically connected to a control pilot signal generating circuit and a control circuit, providing instant protectio…

DRIVE·Oct 12·1 min read

B60L53/66 PHIHONG TECHNOLOGY CO., LTD.

ASSEMBLED WATERPROOF AND DUSTPROOF STRUCTURE FOR A CHARGING DEVICE

An assembled waterproof and dustproof structure for charging devices, which includes a charging device casing with a first opening, a cable cover assembly including a base provided with an USB connect…

DRIVE·May 25·1 min read

H01R13/5213 PHIHONG TECHNOLOGY CO., LTD.

Securely Intelligent Charging System and the Method Thereof

The present invention is proposed to improve a conventional two-pin charging device (dumb charger), which stops charging when the battery is fully charged and can avoid the inrush current at any charg…

DRIVE·Sep 22·1 min read

H02J7/0029 PHIHONG TECHNOLOGY CO., LTD.

DUAL PORT BATTERY CHARGING SYSTEM AND THE METHOD THEREOF

A dual port battery charging system comprises a charger, a microcontroller, a first switching unit, a second switching unit, a first charging interface and a second charging interface, wherein the mic…

DRIVE·Sep 30·1 min read

H02J7/007182 PHIHONG TECHNOLOGY CO., LTD.

Circuit and Method for Detecting Control Pilot Abnormality of a DC Charging Pile

A hardware together with a software are used to implement a control pilot (CP) status detection for protecting a DC charging pile when errors happens, such as short circuit or open circuit, at CP poin…

DRIVE·Aug 5·2 min read

B60L53/62 PHIHONG TECHNOLOGY CO., LTD.