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Mechanically bridged SMD interconnects for electronic devices

專利號
US11744020B2
公開日期
2023-08-29
申請人
Texas Instruments Incorporated(US TX Dallas)
發(fā)明人
Kyle Brent Norell; Claude Albert Fernandez; Charles Allen DeVries
IPC分類
H05K3/22; H05K1/18; H05K1/11; H05K3/28; H05K3/34
技術領域
smd,inductor,bridged,package,die,electronic,substrate,tie,sip,molded
地域: TX TX Dallas

摘要

An electronic device includes a package substrate, at least one integrated circuit (IC) die including a substrate having a semiconductor surface including circuitry electrically coupled to bond pads positioned onto contact pads on a top surface of a package substrate. At least one surface mount device (SMD) component including at least a first terminal and a second terminal is on the package substrate positioned lateral to the IC die. There is at least one SMD interconnect electrically connecting to at least one of the first terminal and the second terminal to the bond pads. The SMD interconnect includes a portion of a tie bar that extends to an outer edge of the electronic device.

說明書

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

FIG. 2B depicts a portion of an example strip of molded in-process electronic devices each including mechanically bridged SMD interconnects similar to those shown in FIG. 1A, but here with the mechanically bridged SMD interconnects containing four interconnects rather than two, being positioned over four adjacent molded electronic devices. The molded electronic devices can implement an isolated DC-DC SIP power module with a transformer. Each molded electronic device includes a first and a second semiconductor die that are shown flipchip mounted onto the package substrate. The SMD component for which this configuration is intended is a four terminal transformer.

FIG. 3 shows an example in-process SIP in a power module implementation after singulation including an SMD component shown as being an inductor comprising an inductor body and an inductor terminations.

FIG. 4A shows an example in-process SIP in a power module implementation including an SMD component shown again as being an inductor that has a first exposed termination shown connected to it on one side of the inductor body, and a second exposed termination connected to it on an opposite side of the inductor body.

權利要求

1
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