Itm Semiconductor Co., Ltd.

Mitsumi Electric Company Ltd.

Young Seok Kim

Sang Hoon Ahn

Ho Seok Hwang

Hyuk Hwi Na

Jae Ku Park

Eun Bin Lee

Sung Hee Wang

Hyeok Hwi Na

Sun Ho Kim

Shuhei Abe

Seong Beom Park

Ji Young Park

Tae Hwan Jung

Seong Ho Ju

Seung Uk Park

Hyun Suck Lee

Sung Beum Park

Young Geun Yoon

Ho Suk Hwang

Young Nam Ji

Myoung Ki Moon

Min Ho Park

Hyun Mok Cho

A method of fabricating a battery protection circuit package according to one aspect of the present invention includes forming a first mounting structure by mounting battery protection circuit elements on a printed circuit board (PCB), forming a second mounting structure by mounting the first mounting structure on a lead frame which comprises an input/output terminal portion for external connection and at least one metal tab for battery cell connection, forming an encapsulation structure by encapsulating the second mounting structure with a molding material to encapsulate at least a part of the battery protection circuit elements while exposing the input/output terminal portion and the at least one metal tab of the lead frame, and bonding at least one flexible printed circuit board (FPCB) to the input/output terminal portion of the encapsulation structure.

Battery protection circuit package and method of fabricating the same

Battery protection circuit module package

According to an aspect of the present invention, there is provided a battery protection circuit module including a first positive terminal and a first negative terminal electrically connected to electrode terminals of a battery bare cell, a second positive terminal and a second negative terminal electrically connected to a charger or an electronic device, a first protection circuit unit including a first single field-effect transistor connected between at least one of the first positive and negative terminals and at least one of the second positive and negative terminals, and a first protection integrated circuit (P-IC) for controlling the first single field-effect transistor, and a second protection circuit unit including a second single field-effect transistor connected between at least one of the first positive and negative terminals and at least one of the second positive and negative terminals, and a second P-IC for controlling the second single field-effect transistor.

Battery protection circuit module and battery pack comprising same

According to an aspect of the present invention, there is provided a battery protection circuit module including a first positive terminal and a first negative terminal electrically connected to electrode terminals of a battery bare cell, a second positive terminal and a second negative terminal electrically connected to a charger or an electronic device, a single field-effect transistor including a drain terminal, a source terminal, a gate terminal, and a well terminal, wherein the drain terminal is electrically connected to the first negative terminal and the source terminal is electrically connected to the second negative terminal, and a protection integrated circuit (P-IC) for controlling charging/discharging of the battery bare cell by controlling the gate terminal to control whether to switch on the single field-effect transistor and controlling a bias voltage of the well terminal by using an internal switch.

A protection IC includes a bias output terminal connected to a back gate of a MOS transistor, a load side terminal connected to a power supply path between a load and the MOS transistor, a load side switch inserted in an electric current path connecting the bias output terminal and the load side terminal, and a control circuit configured to control the load side switch based on a state of a secondary battery and thereby cause a back gate control signal for controlling a voltage of the back gate to be output from the bias output terminal. The load side switch is formed on an N-type silicon substrate and includes at least two NMOS transistors whose drains are connected to each other, and the control circuit is configured to simultaneously turn on or turn off the two NMOS transistors based on the state of the secondary battery.

Protection IC and semiconductor integrated circuit

A secondary battery protection circuit includes a first terminal connected to a power supply path between a secondary battery and a MOS transistor, a second terminal connected to the power supply path between a load and the MOS transistor, a third terminal connected to a gate of the MOS transistor, a fourth terminal connected to a back gate of the MOS transistor, a control circuit that outputs a switch control signal based on a detected abnormal state of the secondary battery, and a switch control circuit including a first switch for connecting the fourth terminal with the first terminal and a second switch for connecting the fourth terminal with the second terminal. At least one of the resistance between the fourth terminal and the first terminal and the resistance between the fourth terminal and the second terminal is greater than the on resistance value of the MOS transistor.

Secondary battery protection circuit

Disclosed is a battery protection module package (PMP). The battery PMP according to an embodiment of the present invention includes a lead frame provided with a plurality of external terminals thereon, a printed circuit board stacked on the lead frame, and a plurality of internal terminals, a protection integrated chip (IC), a field effect transistor (FET), resistors, and capacitors disposed on the printed circuit board and electrically connected to each other, wherein the resistors and the capacitors are mounted on a pattern of the printed circuit board using surface mount technology (SMT), and wherein the plurality of internal terminals are electrically connected to the plurality of external terminals.

Battery protection module package

Provided is an antenna module package including a substrate, a wireless card payment antenna structure mounted on the substrate and including a first antenna chip and wireless card payment matching elements electrically connected to the first antenna chip, a near field communication (NFC) antenna structure mounted on the substrate, sharing the first antenna chip, and including an extended NFC antenna loop and NFC matching elements electrically connected to the first antenna chip, and a wireless charging antenna structure mounted on the substrate and including a second antenna chip, and an extended wireless charging antenna loop and wireless charging matching elements electrically connected to the second antenna chip.

Antenna module package, antenna module package circuit, battery pack including the same and mobile device including the same

Disclosed is an electronic device capable of near field communication (NFC) and of achieving high integration, size reduction, and good sensitivity. The electronic device includes an antenna chip provided inside a battery protection circuit package of a battery pack and having embedded an NFC antenna therein, and an extended antenna loop electrically connected to the antenna chip and provided outside the battery protection circuit package.

Electronic device capable of NFC communication

Growing community of inventors

Chungcheongbuk-do, South Korea

Young Seok Kim