CN214177288U - Electronic package, switch circuit system and electric equipment - Google Patents

Electronic package, switch circuit system and electric equipment Download PDF

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Publication number
CN214177288U
CN214177288U CN202022171731.6U CN202022171731U CN214177288U CN 214177288 U CN214177288 U CN 214177288U CN 202022171731 U CN202022171731 U CN 202022171731U CN 214177288 U CN214177288 U CN 214177288U
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China
Prior art keywords
pin
coupled
switch
diode
chip
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CN202022171731.6U
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Chinese (zh)
Inventor
胡燊刚
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Shenzhen Biyi Microelectronics Co Ltd
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Shenzhen Biyi Microelectronics Co Ltd
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Priority to CN202022171731.6U priority Critical patent/CN214177288U/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481—Disposition
    • H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
    • H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481—Disposition
    • H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
    • H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • H01L2224/491—Disposition
    • H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
    • H01L2224/49111—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting two common bonding areas, e.g. Litz or braid wires

Abstract

The utility model discloses an electron packaging part, switch circuit system and consumer, the electron packaging part includes: the first chip comprises a switching tube Q; the second chip comprises a control circuit, and the control circuit is coupled with the switching tube Q; and the third chip comprises a rectifier diode Do and/or a feedback diode Df. The utility model provides an electronic packaging part, a switch circuit system and electric equipment, which can package a rectifier diode D0, a feedback diode Df, a switch tube Q and a control circuit chip in a switch circuit inside the electronic packaging part; therefore, the complexity of the system can be reduced, the whole system architecture is simpler and more convenient, the PCB design is simpler, the BOM cost of the system is greatly reduced, and the consistency and the reliability of the system are improved due to the reduction of devices.

Description

Electronic package, switch circuit system and electric equipment
Technical Field
The utility model belongs to the technical field of the electronic packaging, a switch circuit is related to, especially relate to an electronic packaging part, switch circuit system and consumer.
Background
The conventional switching circuit includes a switching tube built in a package, and a rectifying diode D0 and a feedback diode Df (such as a buck circuit shown in fig. 1 and a buck-boost circuit shown in fig. 2) outside the package. However, the difficulty of PCBlayout design is improved by a plurality of externally connected diodes, the system complexity is improved, and the requirements of high and simple system integration level are not met.
In view of the above, there is a need to design a new switch circuit structure to overcome at least some of the above-mentioned disadvantages of the existing switch circuit structures.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic packaging part, switch circuit system and consumer can retrench the system complexity, and the system is with low costs, and the uniformity is good, and the reliability is high.
For solving the technical problem, according to the utility model discloses an aspect adopts following technical scheme:
an electronic package, comprising:
a first chip including a switching tube;
the second chip comprises a control circuit, and the control circuit is coupled with the switching tube; and
a third chip including at least one diode; the third chip is coupled to the second chip.
As an embodiment of the present invention, the third chip includes a rectifier diode and a feedback diode.
As an embodiment of the present invention, the electronic package further includes a fourth chip, the third chip includes a rectifier diode, and the fourth chip includes a feedback diode.
As an embodiment of the present invention, the electronic package is provided with a first pin, a second pin, a third pin and a fourth pin; the first pin is coupled with the first end of the switch tube, the fourth pin is coupled with the anode of the rectifier diode, and the third pin is coupled with the anode of the feedback diode;
the control end of the switch tube is coupled with the control circuit, and the second end of the switch tube is coupled with the second switch control pin;
the cathode of the rectifier diode is coupled with the second pin; and the cathode of the feedback diode is coupled with the control circuit.
As an embodiment of the present invention, the first pin, the second pin, the third pin and the fourth pin are respectively a drain pin, a switch control pin, an output pin and a ground pin, the first end, the second end and the control end of the switch tube are respectively a drain, a source and a gate of the switch tube, wherein: the drain pin is coupled with the drain of the switch tube through a conducting strip, the grounding pin is coupled with the anode of the rectifier diode through a conducting strip, and the output pin is coupled with the anode of the feedback diode through a conducting strip; the grid electrode of the switch tube is coupled with the control circuit through a lead, and the source electrode of the switch tube is coupled with the switch control pin; the cathode of the rectifier diode is coupled with the switch control pin; and the cathode of the feedback diode is coupled with the control circuit.
As an embodiment of the present invention, the cathode of the feedback diode is coupled to the working voltage port of the second chip through a lead.
According to another aspect of the utility model, adopt following technical scheme: an electronic package, comprising:
the first chip comprises a switching tube and at least one diode; and
and the second chip comprises a control circuit, and the control circuit is coupled with the switching tube.
According to the utility model discloses a still another aspect adopts following technical scheme: a switch circuit system comprises the electronic packaging part and an inductor, wherein the electronic packaging part is coupled with the inductor.
As an embodiment of the present invention, the electronic package is provided with a drain pin, a switch control pin, an output pin, and a ground pin; the electronic package comprises a rectifier diode and a feedback diode;
the drain electrode of the switch tube is coupled with the drain electrode pin, the drain electrode pin is coupled with the input end outwards, the source electrode of the switch tube is respectively coupled with the switch control pin and the cathode of the rectifier diode, the switch control pin is coupled with the first end of the inductor outwards, the anode of the rectifier diode is coupled with the grounding pin, and the grounding pin is grounded outwards;
the anode output pin of the feedback diode is externally coupled with the second end of the inductor, and the cathode of the feedback diode is coupled with the control circuit to feed back the output voltage to the control circuit for providing an output voltage feedback signal for the control circuit;
the output end of the control circuit is coupled with the grid electrode of the switch tube and can control the on-off of the switch tube.
As an embodiment of the present invention, the electronic package is provided with a drain pin, a switch control pin, an output pin, and a ground pin; the electronic package comprises a rectifier diode and a feedback diode; the drain pin is coupled to an input end of the switch circuit system, the output pin is coupled to an output end of the switch circuit system, the switch control pin is coupled to a first end of the inductor, a second end of the inductor is grounded, and the ground pin is grounded. .
According to the utility model discloses a still another aspect adopts following technical scheme: an electric device comprises the switch circuit system.
The beneficial effects of the utility model reside in that: the utility model provides an electronic packaging part, a switch circuit system and electric equipment, which can package a rectifier diode D0, a feedback diode Df, a switch tube Q and a control circuit chip in a switch circuit inside the electronic packaging part; therefore, the complexity of the system can be reduced, the whole system architecture is simpler and more convenient, the PCB design is simpler, the BOM (Bill of Material) cost of the system is greatly reduced, and the consistency and the reliability of the system are improved due to the reduction of devices.
Drawings
FIG. 1 is a circuit diagram of a conventional buck circuit.
FIG. 2 is a circuit diagram of a conventional buck-boost circuit.
Fig. 3 is a schematic circuit diagram of the switching circuit of the present invention.
Fig. 4 is a schematic circuit diagram of the switching circuit system of the present invention.
Fig. 5 is a schematic diagram of the electronic package according to the present invention.
Fig. 6 is a schematic circuit diagram of the switching circuit system of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
The description in this section is for exemplary embodiments only, and the present invention is not limited to the scope of the embodiments described. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the scope of the description and the protection of the invention.
"coupled" or "connected" in this specification includes both direct and indirect connections, such as through some active device, passive device, or electrically conductive medium; but also may include connections through other active or passive devices, such as through switches, follower circuits, etc., that are known to those skilled in the art for achieving the same or similar functional objectives.
The utility model discloses a switch circuit system, and FIG. 3 is a circuit schematic diagram of the switch circuit system of the utility model; referring to fig. 3, the switch circuit system disclosed in fig. 3 is a voltage step-down circuit; of course, the switching circuitry may also be a boost circuit or a buck-boost circuit or other circuits. The switching circuitry includes: control circuit 2, switch tube Q, rectifier diode Do, feedback diode Df and inductance L. The first end of the switch tube Q is coupled with the input end, the second end of the switch tube Q is respectively coupled with the first end of the inductor L and the cathode of the rectifier diode Do, and the anode of the rectifier diode Do is grounded. The second end of the inductor L is used as an output end to provide output voltage; the anode of the feedback diode Df is coupled to the second end of the inductor L, the cathode of the feedback diode Df is coupled to the control circuit 2, and the output voltage Vout is fed back to the control circuit 2, so as to provide an output voltage feedback signal for the control circuit 2 and supply power to the control circuit 2; the output end of the control circuit 2 is coupled with the switching tube Q and can control the on-off of the switching tube Q.
The utility model discloses with rectifier diode D0, feedback diode Df, switch tube Q and the encapsulation of control circuit chip among the above-mentioned switch circuit system inside electronic packaging spare to greatly simplify the system complexity, whole system architecture is more simple and convenient, PCB design simple more, the very big reduction of system BOM cost, the reduction of device also can improve the reliability of system.
The utility model discloses an electronic packaging piece, the electronic packaging piece comprises a first chip, a second chip and a third chip; the first chip comprises a switching tube Q; the second chip comprises a control circuit, and the control circuit is coupled with the switching tube Q; the third chip comprises at least one diode; the third chip is coupled to the second chip.
In an embodiment of the present invention, the third chip includes a rectifier diode Do and a feedback diode Df; the rectifier diode Do and the feedback diode Df may be disposed on the same chip (a third chip). In another embodiment of the present invention, the switch tube Q, the rectifier diode Do and the feedback diode Df are integrated on the same chip.
In an embodiment of the present invention, the electronic package further includes a fourth chip, and fig. 5 is a schematic diagram of the electronic package of the present invention; referring to fig. 5, the electronic package 100 includes a first chip 10, a second chip 20, a third chip 30 and a fourth chip 40; the first chip 10 includes a switching transistor Q, the second chip 20 includes a control circuit, the third chip 30 includes a rectifying diode Do, and the fourth chip 40 includes a feedback diode Df.
With reference to fig. 5, in an embodiment of the present invention, the electronic package has a DRAIN pin DRAIN (also called a first pin), a switch control pin SW (a second pin), an output pin OUT (a third pin), and a ground pin GND (a fourth pin); the DRAIN pin DRAIN is coupled with the DRAIN of the switch tube Q, the grounding pin GND is coupled with the anode of the rectifier diode Do, and the output pin OUT is coupled with the anode of the feedback diode Df; the grid electrode of the switching tube Q is coupled with the control circuit through a lead wire, and the source electrode of the switching tube Q is coupled with a switch control pin SW through a lead wire; the cathode of the rectifier diode Do is coupled with a switch control pin SW through a lead; the cathode of the feedback diode Df is coupled with the control circuit through a lead. In one embodiment, the cathode of the feedback diode Df is coupled to a chip operating voltage port VDD of the control circuit through a lead; the lead may be a metal lead. In addition, as shown in fig. 5, in an embodiment, the gray portion indicates that the back of the wafer is connected through a conductive sheet structure such as a whole metal sheet, so that the DRAIN pin DRAIN is coupled to the DRAIN of the switching tube Q, the ground pin GND is coupled to the anode of the rectifying diode Do, and the output pin OUT is coupled to the anode of the feedback diode Df, and has a very low resistance for providing a large current loading capability.
The utility model also discloses a switch circuit system, and fig. 4 is a circuit schematic diagram of the switch circuit system of the utility model; referring to fig. 4, the switch circuit system includes the electronic package 100 and an inductor L, and the electronic package is coupled to the inductor L.
In an embodiment of the present invention, the electronic package is provided with a DRAIN pin DRAIN, a switch control pin SW, an output pin OUT, and a ground pin GND; the electronic package includes a rectifier diode Do and a feedback diode Df. The DRAIN of the switching tube Q is coupled to the DRAIN pin DRAIN, the source of the switching tube Q is coupled to the first end of the inductor L and the cathode of the rectifier diode Do, respectively, and the anode of the rectifier diode Do is coupled to the ground pin GND. The anode of the feedback diode Df is coupled to the second end of the inductor L, and the cathode of the feedback diode Df is coupled to the control circuit, and feeds back the output voltage Vout to the control circuit, so as to provide an output voltage feedback signal for the control circuit. The output end of the control circuit is coupled with the grid electrode of the switch tube Q and can control the on-off of the switch tube Q.
As shown in fig. 4, in an embodiment of the present invention, the DRAIN pin DRAIN is coupled to the Input terminal DC Input, the switch control pin SW is coupled to the first end of the inductor L, the Output pin OUT is coupled to the second end of the inductor L and the Output terminal DC Output, and the ground pin GND is grounded.
Fig. 6 is a schematic circuit diagram of the switching circuit system of the present invention; referring to fig. 6, in an embodiment of the present invention, the switch circuit system may be a boost circuit or a buck-boost circuit. As shown in fig. 6, in an embodiment, the DRAIN pin DRAIN is coupled to the Input terminal DC Input, the switch control pin SW is coupled to the Output terminal DC Output, the Output pin OUT is coupled to the first terminal of the inductor L, the second terminal of the inductor L is grounded, and the ground pin GND is grounded.
The utility model discloses an in an embodiment, switch circuit system can be for the non-isolated medium and small power board carries power auxiliary power supply, and the range of application contains on a series of household electrical appliances application products such as kettle, rice cooker, fan, mother and infant's household electrical appliances, also can be applied to intelligent house products such as intelligent doorbell, intelligent switch, also can be used to fields such as emergency light, and the area of involvement is very wide.
The utility model discloses still disclose a consumer, the consumer includes foretell switch circuit system. In an embodiment, the electric device may be a series of household appliances such as a kettle, a rice cooker, a fan, mother and infant household appliances, an intelligent household product such as an intelligent doorbell and an intelligent switch, or an emergency lamp.
To sum up, the utility model provides an electronic packaging part, a switch circuit system and electric equipment, a rectifier diode D0, a feedback diode Df, a switch tube Q and a control circuit chip in the switch circuit can be packaged in the electronic packaging part; therefore, the complexity of the system can be reduced, the whole system architecture is simpler and more convenient, the PCB design is simpler, the BOM cost of the system is greatly reduced, and the consistency and the reliability of the system are improved due to the reduction of devices.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Effects or advantages referred to in the embodiments may not be reflected in the embodiments due to interference of various factors, and the description of the effects or advantages is not intended to limit the embodiments. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the present invention.

Claims (11)

1. An electronic package, comprising:
a first chip including a switching tube;
the second chip comprises a control circuit, and the control circuit is coupled with the switching tube; and
a third chip comprising at least one diode, wherein the third chip is coupled to the second chip.
2. The electronic package of claim 1, wherein:
the third chip comprises a rectifier diode and a feedback diode.
3. The electronic package of claim 1, wherein:
the electronic package further includes a fourth chip, the third chip including a rectifying diode, and the fourth chip including a feedback diode.
4. The electronic package of claim 2 or 3, wherein:
the electronic packaging part is provided with a first pin, a second pin, a third pin and a fourth pin;
the first pin is coupled with the first end of the switch tube, the fourth pin is coupled with the anode of the rectifier diode, and the third pin is coupled with the anode of the feedback diode;
the control end of the switch tube is coupled with the control circuit, and the second end of the switch tube is coupled with the second pin;
the cathode of the rectifier diode is coupled with the second pin; and the cathode of the feedback diode is coupled with the control circuit.
5. The electronic package of claim 4, wherein:
the first pin, the second pin, the third pin and the fourth pin are respectively a drain electrode pin, a switch control pin, an output pin and a grounding pin, and the first end, the second end and the control end of the switch tube are respectively a drain electrode, a source electrode and a grid electrode of the switch tube, wherein:
the drain pin is coupled with the drain of the switch tube through a conducting strip, the grounding pin is coupled with the anode of the rectifier diode through a conducting strip, and the output pin is coupled with the anode of the feedback diode through a conducting strip;
the grid electrode of the switch tube is coupled with the control circuit through a lead, and the source electrode of the switch tube is coupled with the switch control pin;
the cathode of the rectifier diode is coupled with the switch control pin; and
and the cathode of the feedback diode is coupled with the control circuit.
6. The electronic package of claim 4, wherein: and the cathode of the feedback diode is coupled with the working voltage port of the second chip through a lead.
7. An electronic package, comprising:
the first chip comprises a switching tube and at least one diode; and
and the second chip comprises a control circuit, and the control circuit is coupled with the switching tube.
8. Switching circuitry, comprising the electronic package of claim 1 or 7 and an inductor, the electronic package being coupled to the inductor.
9. The switching circuitry of claim 8, wherein:
the electronic packaging part is provided with a drain electrode pin, a switch control pin, an output pin and a grounding pin; the electronic package comprises a rectifier diode and a feedback diode;
the drain electrode of the switch tube is coupled with the drain electrode pin, the drain electrode pin is coupled with the input end outwards, the source electrode of the switch tube is respectively coupled with the switch control pin and the cathode of the rectifier diode, the switch control pin is coupled with the first end of the inductor outwards, the anode of the rectifier diode is coupled with the grounding pin, and the grounding pin is grounded outwards;
the anode output pin of the feedback diode is externally coupled with the second end of the inductor, and the cathode of the feedback diode is coupled with the control circuit;
the output end of the control circuit is coupled with the grid electrode of the switch tube.
10. The switching circuitry of claim 8, wherein: the electronic packaging part is provided with a drain electrode pin, a switch control pin, an output pin and a grounding pin; the electronic package comprises a rectifier diode and a feedback diode; the drain pin is coupled to an input end of the switch circuit system, the output pin is coupled to an output end of the switch circuit system, the switch control pin is coupled to a first end of the inductor, a second end of the inductor is grounded, and the ground pin is grounded.
11. An electrical device, characterized in that: the powered device comprising the switching circuitry of claim 8.
CN202022171731.6U 2020-09-28 2020-09-28 Electronic package, switch circuit system and electric equipment Active CN214177288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022171731.6U CN214177288U (en) 2020-09-28 2020-09-28 Electronic package, switch circuit system and electric equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022171731.6U CN214177288U (en) 2020-09-28 2020-09-28 Electronic package, switch circuit system and electric equipment

Publications (1)

Publication Number Publication Date
CN214177288U true CN214177288U (en) 2021-09-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022171731.6U Active CN214177288U (en) 2020-09-28 2020-09-28 Electronic package, switch circuit system and electric equipment

Country Status (1)

Country Link
CN (1) CN214177288U (en)

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