CN101079580A - Power adapter and DC-DC converter having acoustic transformer - Google Patents

Power adapter and DC-DC converter having acoustic transformer Download PDF

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Publication number
CN101079580A
CN101079580A CNA200710101690XA CN200710101690A CN101079580A CN 101079580 A CN101079580 A CN 101079580A CN A200710101690X A CNA200710101690X A CN A200710101690XA CN 200710101690 A CN200710101690 A CN 200710101690A CN 101079580 A CN101079580 A CN 101079580A
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China
Prior art keywords
power supply
integrated power
converter
circuit
integrated
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马克·安奎茨
迈克尔·弗兰克
理查德·C·鲁比
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Avago Technologies International Sales Pte Ltd
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Avago Technologies Wireless IP Singapore Pte Ltd
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Priority claimed from US11/440,874 external-priority patent/US20070210724A1/en
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Publication of CN101079580A publication Critical patent/CN101079580A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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Abstract

An integrated power adapter, a portable electronic device with an integrated power adapter, and multichip modules are described.

Description

Power supply adaptor and DC-DC transducer with acoustic transformer
Technical field
The present invention relates to power supply adaptor and DC-DC transducer with acoustic transformer.
Background technology
Portable electron device is seen everywhere socially.For example,, evolve and develop into direct current (DC) power supply that is fit to generally being directly connected to device and come the mancarried device of work from being connected to the stationary installation of the AC power in family or the office as the electronic installation of phone, computer, broadcast receiver and TV.Usually, this DC power supply is the battery that can to charge repeatedly and recharge in order to reuse.And the rechargeable ability of battery is all favourable to economy and environment.
The charging method of battery comprises that using an independently power supply adaptor, this power supply adaptor one end to be connected to one exchanges the battery that (AC) power supply, the other end are connected to portable electron device in the known portable electron device.This power supply adaptor is converted to the DC power supply with AC power supplies, and by the direct current opposite with battery normal current direction is provided to battery recharge.
Typically, thereby be used for providing DC power supply for the device power supply or to its battery charge, or the two power supply that all has is independent of device and must carries or be kept at a place for use by the user to portable electron device.In addition, known power volume is very huge, though it does not surpass the volume of mancarried device, often can mention in the same breath with the volume of mancarried device.Can recognize that the characteristic of the above-mentioned known power source of pointing out becomes it and is not easy to use.
In addition, in case after AC power supplies was converted into the DC power supply, it often was useful using a DC-DC transducer that this dc voltage is converted to another dc voltage.These DC-DC transducers provide secondary DC to regulate.Power supply is the same just as is known, and the known DC-DC transducer volume that has comprised passive device is also huge relatively.
Therefore, needs one have overcome the power supply adaptor and the DC-DC transducer of the shortcoming of above-mentioned known power source at least.
The application is the common transfer patent application No.11/371 that is entitled as " Power Supply and Electronic DeviceHaving Integrated Power Supply (power supply and the electronic installation with integrated power supply) " that submitted on March 9th, 2006,76 the part continuation application, and require the priority of this U.S. Patent application according to 35 U.S.C. § 120.The application relate to Mark Unkrich on March 9th, 2006 submit to be entitled as " Ac-AC Converter Circuit and Power Supply (AC-DC change-over circuit and power supply) " patent application No.11/371,762.The disclosure of above-mentioned referenced patent application is by reference and especially in this combination.
Summary of the invention
According to an embodiment, a portable electron device comprises that one will exchange the integrated power supply adapter that (AC) power source conversion is direct current (DC) power supply.This integrated power supply adapter further comprises isolated converter (acoustic isolation transformer).
According to another embodiment, an integrated power supply module comprises a battery and is connected to the integrated power supply adapter of this battery that it is direct current (DC) voltage that this integrated power supply module is suitable for interchange (AC) voltage transitions.This integrated power supply adapter also comprises isolated converter.
According to an embodiment again, an integrated power supply adapter comprises that one has the multi-chip module (MCM) of a substrate; An one AC-DC transducer and a DC-DC transducer.This power supply adaptor have be configured in the substrate or the surface of substrate on or the two assembly that all has, and to be suitable for interchange (AC) voltage transitions be direct current (DC) voltage.This power supply adaptor also comprises an acoustic transformer.
According to another embodiment, a multi-chip module (MCM) comprises a substrate and a DC-DC transducer.This DC-DC transducer have be configured in the substrate or substrate surface on or the two assembly that all has.It is output dc voltage that the DC-DC transducer is suitable for input direct current (DC) voltage transitions.The DC-DC transducer also comprises an acoustic transformer.
Description of drawings
Can understand embodiment best by reading the following specifically describes in conjunction with appended accompanying drawing.Be stressed that different features might not proportionally draw.In fact, this size can be amplified arbitrarily for discuss clear or dwindle.In any suitable and place practicality, identical label refers to components identical.
Figure 1A is a perspective view that comprises the portable electron device of integrated power supply adapter according to an embodiment.
Figure 1B is a perspective view that comprises the portable electron device of integrated power supply adapter according to an embodiment.
Fig. 2 is a perspective view that comprises the portable electron device of integrated power supply adapter according to an embodiment.
Fig. 3 is the simplified block diagram according to the integrated power supply adapter of an embodiment.
Fig. 4 is the conceptual view according to the integrated power supply adapter in the multi-chip module (MCM) of an embodiment.
Fig. 5 is the conceptual view according to the integrated power supply adapter of another embodiment.
Fig. 6 A is the conceptual view according to the DC-DC transducer of an embodiment.
Fig. 6 B is the conceptual view according to the DC-DC transducer of an embodiment.
Term as used herein " one " (' a ' or ' an ') is defined as one or more than one.
Term as used herein " a plurality of " (' plurality ') is defined as two or more than two.
This with term " integrated " (' integrated ') be defined as form by each several part is assembled together as a whole; Unified.
Embodiment
In the following specifically describes,, stated that concrete details is for understand embodiment up hill and dale according to this instruction in order to explain rather than to limit.Yet, obviously concerning those of ordinary skill in the art of the spirit of grasping the disclosure of invention, according to the disengaging of this instruction detail disclosed herein other embodiment still within the scope of the appended claims.In addition, can omit the description of the apparatus and method known, ambiguous to avoid making to the description of embodiment.These method and apparatus are well-known within the scope of this instruction.
Figure 1A is the perspective view according to the part cutting of the electronic installation (device) 100 of an embodiment.In the figure, show the rear portion or the back portion of device 100.In a particular embodiment, device 100 is a mobile device, and in other embodiments, device 100 is a fixture.Illustrate, device 100 can be mobile (honeycomb) phone, PDA(Personal Digital Assistant), portable computer, the portable equipment for taking photograph machine, portable music device, hadie transceiver, beep-pager, digital camera, video tape recorder, or Portable GPS (GPS) device.
Need not oppose the fully restriction of application of this instruction of for example inventory of the portable electron device type of the foregoing description.On the contrary, this instruction can be applicable to various suitable with the DC power operation comprise rechargeable battery or the two all can electronic installation.At last, understand easily that as those of ordinary skills many devices of enumerating can be incorporated in the portable electron device in to device inventory for example.For example, portable electron device 100 can be the assembly of mobile phone, GPS device and digital camera.This portable electron device is at the row of the thinking of this instruction.
Device 100 comprises a shell 101, and this shell comprises suitable electronic component and other required element.For example, when device 100 was mobile phone, shell 101 may comprise transmission/reception electronic unit, processor, memory, display and other assembly.Because the required various assembly of above-mentioned each exemplary means of mentioning is known for a person skilled in the art, therefore omitted details to avoid causing ambiguous to the description of present embodiment.
Device 100 also comprises an integrated power supply module 102, and this integrated power supply module is illustrated as transparent components so that describe.Battery 103 and power supply adaptor 104 are integrated in the power module 102.This integrated power supply module 102 also comprises an electrical cnnector 105.Electrical cnnector 105,103 required being electrically connected by one or more known methods of power supply adaptor 104 and battery are finished.
In a particular embodiment, provide a charge indicator.This charge indicator can be configured in integrated power supply module 102 or install 100 or said two devices on LED.For example, this charge indicator can be suitable for glimmering when charging is finished and be suitable for providing lasting output in charging process.In a particular embodiment, when an AC power supplies is taken off and be connected to integrated power supply module 102 from device, charge indicator played indication charging well afoot or charging is finished.
Illustrate, integrated power supply module 102 is included in the shell 101, or is configured in the recess in the shell 101, and the lid 106 that is connected to shell 101 is closed.Less relatively and advantageously replaced at this power supply adaptor of describing more completely 104 for disperseing assembly and not being integrated into known power source in the device 100.
In one embodiment, integrated power supply module 102 is separated with device 100.Particularly, this integrated power supply module 102 is suitable for being connected to the electrical contact (not shown) of device 100 and being fixed to device.In case be fixed, this integrated power supply module 102 just is integrated into device 100.Alternatively, this integrated power supply module 102 also can not easily be taken off from installing 100.In such an embodiment, the assembly of integrated power supply module 102 can easily remove from integrated power supply module 102, to allow to safeguard or change assembly.
In the embodiment shown in Figure 1A, integrated power supply module 102 is accommodated in the shell 101 or is configured in the recess of shell 101.In another embodiment, integrated power supply module 102 is configured to be placed on the bottom surface 108 of device 100, and will cover 106 configurations and be placed on the integrated power supply module, or on the face 108, or on the said two devices.So in this embodiment, integrated power supply module 102 and the bottom surface 108 different height that install 100.Integrated power supply module 102 is suitable for the electrical contact of jockey 100 and is fixed on the device 100.
In one embodiment, electrical cnnector 105 is for being suitable for connecting the pin type connector of standard A C wall socket.Although be depicted as two pin connectors, three pin connectors also are taken into account.For example, electrical cnnector 105 can be the flat inserted sheet type of the two pins connector at AM General, or in Europe general two circular pin type connectors.In addition, also can use the collapsible pin connector of known saving spacing.
Electrical cnnector 105 be fit to from shown in the position spin out, like this in the another location, the pin 107 of connector 105 is approximately perpendicular to the bottom surface 108 of device 100.In one embodiment, lid 106 is removed passage and 105 rotations of permission connector to be provided to connector 105.After pin 107 was rotated in place, pin 107 can be connected with wall socket.This makes that the front surface of the device 100 opposite with surperficial 108 can be seen.After being connected to AC power supplies, 103 chargings of 102 pairs of batteries of integrated power supply module.
In another optional embodiment, do not remove and cover 106 and just be accessibly connected device 105.For instance, connector 105 can not be placed into the recess of shell as shown in the figure like that, but is placed on the face 108.Connector 105 can be touched by covering 106 recess or opening like this.Connector 105 can be rotated to be connected to wall socket as mentioned above.
In another embodiment, lid 106 flushes substantially with face 108.Electrical cnnector 105 can touch to rotate and to be connected by covering 106.It should be noted that covering 106 can be the lid of the rear surface 108 of device 100.What need emphasize is that described embodiment only is that schematically other embodiment consistent with this instruction is taken into account.
Advantageously, the integrated power supply module 102 among the embodiment allows only to realize being battery 103 chargings by the integrated power supply adapter 104 of device 100 by connector 105 being inserted AC power supplies.As describing more fully in this institute, integrated power supply module 102 comprises less relatively assembly, and this assembly impels power module 102 is integrated into device 100.
Figure 1B is the perspective view of cutting open according to the part of the portable electron device 100 of an embodiment.Present described embodiment and the described embodiment of 1A with reference to the accompanying drawings have many common traits.These common traits generally no longer repeat to avoid making that current described embodiment is ambiguous.
In one embodiment, power supply adaptor 104 and battery 103 are not the integrated packages as integrated power supply module 102.Yet power supply adaptor 104 and electrical cnnector 105 are for being integrated into the independent assembly of device 100.In one embodiment, power supply adaptor 104 is configured in the shell 101 or is configured in the recess of shell 101.Similar, battery 103 is configured in the shell 101, or is configured in the recess of shell 101.Electrical cnnector 105 can be configured in the recess of shell 101 as previously mentioned.
Lid 106 is fit to be sleeved on the battery 103, and can be with respect to face 108 for raise or flush.An independent lid (not shown) can be assembled on the power supply adaptor 104, for example when power supply adaptor 104 is configured in the recess and wishes to be easy to touch charger.On the other hand, power supply adaptor 104 touches by the bonnet of removal device 100 only.
In operation, power supply adaptor 104 is from giving battery 103 chargings as the AC power supplies of wall socket.Yet, understand that as those skilled in the art power supply adaptor 104 can be used as from an AC power supplies provides the DC power supply to device 100, and can be mentioned here.In any case power supply adaptor 104 is less relatively and be integrated into device 100 on volume.
Advantageously, according to embodiment power supply adaptor 104 is integrated into device 100 and can allows the user to give battery 103 charging, or operating means 100, or the two all can, and do not need an external cell charger.
As more abundant description herein, power supply adaptor 104 is significantly less than known adapter, thereby has promoted itself and portable electron device 100 integrated.Yet, power supply adaptor 104 provide with by the independently known or outside suitable electric power that battery charger provided.Like this, integrated power supply adapter 104 provides in fact and known external cell charger identical functions, thereby but its be integrated into device 100 and provide significant facility to the user.
Fig. 2 is according to the conceptual view of the portable electron device of another embodiment and shows front surface 201.The device 100 with have many common traits with reference to Figure 1A and the described embodiment of 1B.Description to these common traits no longer repeats to avoid making that the description of current embodiment is ambiguous.It should be noted that integrated power supply adapter 104, or integrated power supply module 102 can be comprised in the device 100.Yet pin type electrical cnnector 105 not necessarily in the present embodiment.
In the embodiment shown, device 100 is a mobile phone.What need emphasize is, this only is schematically, and this instruction also considers other portable electron device, mentions as those preambles.As known to, portable electron device can comprise a kind of in the multiple electrical cnnector that is connected to external cell charger.The reason that various these connectors of use are arranged.
Present embodiment comprises that one is not the electrical cnnector 202 of pin type connector.Connector 202 is connected on (cloudy type or positive type) connector 203 of complementation of cable 204.At the opposite end of cable 204, be connected with a pin type 205 connectors.Pin type connector 205 connects wall socket 206.The AC power supplies of coming from wall socket 206 is provided for device 100 by connector 205,203,202.Connector 202 is connected to power supply adaptor 104, and gives battery 103 chargings by the described mode of embodiment among 1A with reference to the accompanying drawings and the 1B, or feedway 100 DC power supply, or the two all can.
In another embodiment, the use of cable 204 is known.Particularly, complementary connector 203 is parts of pin type connector 205, so just forms an adapter.Electrical cnnector 202 and its complementary connector 203 can be multiple electrical cnnector a kind of who is used for portable electron device.The connector of selecting depends on that the type of device 100 is also known to those skilled in the art.
In an embodiment again, power supply adaptor 104 can be integrated in the pin type connector 205.
Fig. 3 is the simplification functional block diagram of power supply adaptor 300 according to an embodiment of the invention.It should be noted that power supply adaptor 300 can be foregoing integrated power supply adapter 104.
One AC power 301 (as, the AC power supplies of coming from wall socket) is connected to AC-DC transducer 302.Can use connector 105, or other previously described connector is finished this connection.AC-DC transducer 302 can be based on a kind of in the various rectification circuit structures.For example, AC-DC transducer 302 can comprise an all-wave diode bridge rectification circuit.
In one embodiment, in order to reduce the volume of following capacitor, this capacitor keeps the rectifying charge behind the all-wave diode bridge rectification circuit in AC-DC transducer 302, and remain on than higher power output level, can realize patent application No.11/371, the circuit described in 762 as the Unkrich of institute's combination.As in this application reference more abundant description, one or more electric capacity with relative smaller capacitive value are provided in the circuit.These electric capacity are required at a short relatively time interim maintenance electric charge, thereby therefore allow to have little capacitance and can use the less electric capacity of volume.
AC-DC transducer 302 is output as a commutating voltage.The output voltage of this transducer 302 is applied in to transformer driver 303.Transformer driver 303 can be a kind of in many drive circuits, comprise E class (Class E) or F (Class F) quasi-driver with and varying circuit, full bridge driving circuit and half-bridge drive circuit.For instance, transformer driver 303 can be surface mount package die (surface mount packaged die).
Transformer driver 303 is connected to switching regulator circuit 308.Transformer driver 303 generally comprises one or more field-effect transistors (FET) switch according to the type of driver of being implemented.For example, an E quasi-driver generally includes a switch, and a half-bridge driver comprises two switches, and full-bridge circuit comprises that four switches are used for differential input isolating transformer.Above-mentioned switch is by switching regulator circuit 308 conductings or shutoff.The output of transformer driver 303 is inputs of isolating transformer 304.
Typically, transformer driver 303 is according to controller structure and transformer needs and the input of isolating transformer 304 optionally is connected to higher DC voltage level, the ground of system, or open-circuit.In addition, drive circuit also can comprise other assembly except that the FET switching tube.These assemblies generally include passive component and are used to satisfy some required standards of high efficiency drive.The above-mentioned structure of mentioning with driver can be designed as and for example satisfies zero voltage switch (ZVS) switch condition.For a person skilled in the art, these other assemblies that make drive circuit and structure satisfy ZVS switch condition are known.
In an embodiment, isolating transformer 304 is sound (mechanical wave) converters that comprise piezoelectric.In a particular embodiment, isolating transformer 304 is a bulk acoustic wave converter (bulk acoustic wavetransformer).Isolating transformer 304 can be an acoustically-coupled transducer.
In one or more embodiment, isolating transformer 304 can be as representational United States Patent (USP) 6,954,121,6,946,928,6,927,651,6,874,212,6,874,211,6,787,048,6,668,618,6,651,488,6,617,249,6,566,979,6,550,664,6,542,055,6,483,229,6,472,954,6,469,597,6,424,237,6,420,820,6,262,637,6,215,375 and people's such as Larson U.S. Patent Publication 20050128030A1 described in the sound isolated converter.In addition, in one embodiment, isolated converter 304 can comprise United States Patent (USP) 5,587, the 620 described resonance structures just like people such as Ruby.Above-mentioned representational patent and patent disclosure are by reference in the special combination of this quilt.What need emphasize is that the patent of above-mentioned combination and disclosed instruction are exemplary, and can expect other isolated converter by this instruction.
In general, the isolating transformer 304 in the exemplary embodiment comprises at least one elementary acoustic pressure electric transducer (transducer), an electrical isolation barrier (isolation barrier) and at least one secondary acoustic pressure electric transducer.Among some embodiment described here, acoustic transformer is not isolated.In this case, need be at the electrical isolation barrier between two acoustic pressure electric transducers.For example, transducer can use the connection between each transducer electrode on electric jointly.
Representational piezoelectric includes but not limited to aluminium nitride (AlN), zinc oxide (ZnO) or lead zirconate titanate (PZT).Known structure based on the latter can effectively be worked at low frequency.
The frequency response of acoustic transformer is decided by acoustic wave velocity in the transducer material and material thickness.According to the pattern of coupling, the difference size is correlated with.For the vertical pattern (longitudinalmode) of sonic transducer, resonance frequency is the function of the thickness of piezoelectric and the thickness of the metal electrode that is used for the drive pressure electric material etc.In one embodiment, the thickness of piezoelectric material layer and electrode is approximately about 3.0 μ m to about 20.0 μ m.The volume of the isolating transformer 304 in one specific embodiment is about 1.0mm 3To about 0.1mm 3
As everyone knows, the resonance frequency of the power of the per unit volume of transformer and this transformer is proportional.Therefore, the resonance frequency of transformer reducing and increase with the size (being volume or thickness when the resonance of acoustic transformer is vertical pattern) of transformer under the regulation power grade.In other words, by driving isolating transformer 304, can obtain required electromotive power output with less converter with upper frequency.Like this, transformer 304 is enough little, thereby can impel power supply adaptor 300 is integrated in the portable electron device.Compare mutually, the transformer of known power source is relatively large.
In the embodiment that comprises the acoustic transformer with above-mentioned size, the operating frequency range of isolating transformer 304 arrives about 300.0MHz for about 50.0MHz, and power output is about about 1.0W to about 5.0W.Especially, acoustic transformer 304 can be manufactured into and be operated in the so low frequency of about 10MHz and about 10 9The frequency of Hz magnitude.What need emphasize is that the characteristic of the isolating transformer of being mentioned 304 only is schematic.For example, the power supply among the embodiment can in parallelly use or be designed to higher or lower-wattage output.
Isolating transformer 304 is output as the input of output rectifier circuit 305, and this output rectifier circuit is portable electron device or battery, or said two devices provides DC output voltage.Output rectifier circuit 305 can be many a kind of with many known circuits of the output signal rectification of transformer of being used for.Advantageously, output rectifier circuit 305 is made into little structure of volume or encapsulation.For example, output rectifier circuit 305 can be a diode bridge full-wave rectifier in a tube core.
Power supply adaptor 300 comprises the useful feedback loop of a pair of adjusting DC output voltage.This feedback loop is with DC output voltage and pre-if be that the reference voltage of desirable output compares by program control.This produces a voltage error signal, and feedback loop compensates this voltage error signal by the modulation control that by-pass cock adjuster circuit 308 takes place.Normally used modulation technique comprises frequency modulation(FM) in the AC-DC power supply changeover device, phase modulated and pulse-width modulation.For example, at a certain switching frequency, the output voltage of transformer is maximum relatively.Therefore split the pass frequency from this grade and regulate the power that can reduce output voltage or come, thereby the DC output voltage is regulated and kept by the transformer transmission.
Now feedback loop is described.For a person skilled in the art, many members of this ring and its function all are known.Like this, omitted detailed description to member to avoid making that the description of current embodiment is ambiguous.
This ring comprises a voltage error signal circuit 306 of drawing the DC output signal from output rectifier circuit 305.In an exemplary embodiments, voltage error signal circuit 306 is the known resistor/diode circuit that can realize in an integrated circuit, element pasted on surface, package die or its combination.In addition, passive component also can be thin-film component or the thick film element as the part of the substrate of voltage error signal circuit 306.
A voltage error signal that obtains from circuit 306 is provided for isolation feedback circuit 307.In an embodiment, isolation feedback circuit 307 is known optically coupled circuit, and this optically coupled circuit uses photodiode and photodetector that input signal is converted to light signal and changes back then to be electric signal.In an alternative embodiment, isolation feedback circuit 307 can be the known isolating transformer of band signal modulation.For example, can use the sound isolated converter that gets according to one or more the instruction in the patent of above-mentioned institute combination.In arbitrary embodiment, this circuit can be package die and with the voltage error signal circuit from switching regulator circuit 308 appropriate keeping apart.
The output of isolation feedback circuit 307 is imported into switching regulator circuit 308.Switching regulator circuit 308 is known control circuit, and this control circuit is switching transformer driver 303 apace between two states generally, with driving power through transformer.The modulation of switch is a part that is used for the FEEDBACK CONTROL of the DC output voltage of stabilized power supply.In operation, switching regulator circuit 308 make transformer driver input between first voltage and second voltage loop cycle so that desirable VD to be provided.
The typical structure of the distribution system in many devices comprises an insulating power supply.For example, insulating power supply can comprise the power supply adaptor 300 that comprises AC-DC transducer 302 and DC-DC transducer.In this application, the DC-DC transducer can provide multiple output dc voltage (for example, 5 volts and/or 12 volts or other voltage).These output voltages are assigned to entire product subsequently.
Those skilled in the art can learn easily that the element of power supply adaptor 300 also comprises a DC-DC converter circuit except that AC-DC converter circuit 302.Like this, power supply adaptor 300 can be known as a DC-DC converter circuit and an AC-DC converter circuit.
In 4 described embodiment in conjunction with the accompanying drawings, AC-DC converter circuit and DC-DC converter circuit are gone up at a multi-chip module (MCM) and are realized.In 5 described other embodiment with reference to the accompanying drawings, DC-DC converter circuit and AC-DC converter circuit are separated, and wherein the DC-DC converter circuit is realized on MCM.
Accompanying drawing 4 is the conceptual view according to the multi-chip module that comprises a power supply adaptor (MCM) of an embodiment.This power supply adaptor comprises many and the common feature of 3 described power supply adaptors with reference to the accompanying drawings.The details of these features no longer repeat specification to avoid the making description of present embodiment ambiguous.
In one embodiment, MCM 400 can comprise (exposing) a plurality of encapsulation or that the do not encapsulate tube core that is configured on the substrate 401.Element can be additionally or is replacedly comprised independent passive and active electric component.These electric components can be " chip " forms.In addition, can be at the surface of substrate 401 402 other circuit of configuration, for example signal monitoring circuit (signal conditioning circuitry) (not shown), and/or support circuit (not shown).
Substrate 401 can be a kind of in the multiple material useful in MCM uses.These include, but are not limited to the PC plate (as, FR4) and ceramic matrix and other material well known by persons skilled in the art.Can be by technical finesse substrate 401 well known by persons skilled in the art so that it comprises the connection as circuit etc.
In one embodiment, the AC-DC transducer 302; Transformer driver 303; Isolating transformer 304; Output rectifier circuit 305; Voltage error signal circuit 306; Isolation feedback circuit 307; Can be integrated into package die with switching regulator circuit 308 or not in the package die.In a particular embodiment, encapsulation can be from comprising that wafer-level packaging is to the tube core that comprises little capping.As known to, little capping can provide element pasted on surface and smaller volume and element cheaply.
In a particular embodiment, output rectifier circuit 305 and voltage error signal circuit 306 are arranged on the same tube core.In an embodiment, isolation feedback circuit 307 can be an independently tube core, but can consider to place it in three equally independently on the tube core or three independently between the tube core.For example, the part of circuit 307 can be present on the same tube core with voltage error signal circuit 306; The isolated component part of circuit 307 can be an independent tube core; And the output of circuit 307 can be a part that comprises the tube core of switching regulator circuit 308.
In a specific embodiment, transformer driver 303 or isolating transformer 304 or said two devices can be for being configured in the package surface mount components on the surface 402.The passive component that for example is used for impedance matching and signal monitoring 403 of chip form is provided in addition.Passive component 403 can embed in the substrate 401 equally or be arranged on the substrate 401.For example, only enumerate some possibility modes, element 403 can be thick film or thin-film component and layer structure.Passive component 403 comprises, for example, and chip resister, chip inductance and chip capacity.In another embodiment, comprised the substrate of power supply adaptor 300 and element can be for example moulding on the surface 402 of substrate 401.
By the contact (not shown) input exchange signal is offered MCM 400.The circuit-line (not shown) is made and is provided to by standard method and being connected from the assembly of MCM 400.At last, MCM 400 provides an output dc voltage.
In an embodiment, realize isolating by the physical isolation between holding circuit " input " side and " output " side.For example, the AC-DC transducer 302; Transformer driver 303; With switching regulator circuit 308 in a side, and output rectifier circuit 305 and voltage error signal circuit 306 are at opposite side.To independence " half " or these regional two circuit as substrate 401, these elements, circuit-line, and power supply is isolated respectively by the mode of correspondence with the ground lead-in wire.Between these two parts interconnect or interface is made up of isolating transformer 304 and isolation feedback circuit 307.As known to, these elements have internal insulation.Similarly, installation is connected the corresponding isolation input and output part that is connected respectively to the AC-DC power supply changeover device separately with device.
MCM 400 has advantageously provided one than the little circuit of electric current discrete circuit implementation.For instance, battery 103 can be configured on the substrate 401 so that the described power module 102 as Figure 1A to be provided.Perhaps, MCM 400 can be integrated in the encapsulation that comprises battery 103.In another embodiment, MCM400 provides the described power supply adaptor 104 as Figure 1B.As what learn easily, impel power supply adaptor 104 to be integrated in the portable electron device according to this instruction MCM 400.In another embodiment, considered to comprise the signal monitoring element, as the combination of capacitor or inductor or said two devices.These elements are useful to energy storage and filtering.Exemplary, building-out condenser can not be that the part of MCM 400 but its can be connected to MCM 400 and involved to module 102 or install in 100.Building-out condenser is useful in specific higher-power applications.
Fig. 5 is the conceptual view according to the power supply adaptor 500 of an embodiment.Power supply adaptor 500 comprises many and common feature described in accompanying drawing 3 and 4.The detailed description of these features no longer repeats to avoid the making description of present embodiment ambiguous.
Power supply adaptor 500 comprises a MCM 501 and the AC-DC transducer of separating with MCM 501 302.MCM 501 comprises a DC-DC converter circuit.In one embodiment, this DC-DC converter circuit comprises: transformer driver 303; Isolating transformer circuit 304; Output rectifier circuit 305; Voltage error signal circuit 306; Isolation feedback circuit 307; Switching regulator circuit 308; With passive component 403.
The input AC conversion of signals that AC-DC transducer 302 will be come by AC power 301 is the DC signal that inputs to MCM 501.In the present embodiment, the DC input signal is provided for the DC-DC converter circuit that comprises transformer driver 303 by the connection on the MCM 501, and described in Fig. 3 and 4 mode generation power transfer.The DC-DC converter circuit provides direct-flow output signal subsequently.
According to embodiment, the element of power supply adaptor 500 be set on MCM 501 encapsulation or packaged die not.Element can be additionally or is replacedly comprised independently passive and active electric component.In one embodiment, power supply adaptor have be configured in the substrate or the surface 402 of substrate 401 on, or the element of said two devices mode.In addition, other circuit such as signal monitoring circuit (not shown) and/or support circuit (not shown) can be configured on the surface 402 of substrate 401.
In a particular embodiment, the DC-DC converter circuit of MCM 501 will be imported dc voltage and be converted to a low voltage (step-down controller) from a high voltage; And in other embodiments, MCM501 will import dc voltage and be converted to a high voltage (boost converter) from a low voltage.In addition,, the DC-DC converter circuit is isolated, the power supply adaptor among this isolation method and Fig. 4 embodiment very identical by the physical separation between holding circuit input side and outlet side according to an embodiment.
Can learn that DC-DC transducer place does not need to isolate in application-specific.Therefore, in a particular embodiment, realize that the measure of isolating is known.Like this, considered specific embodiment as an alternative.For example, acoustic transformer 304 is not to be necessary for the isolation acoustic transformer; Although it can certainly be an isolation acoustic transformer.
In the not segregate specific embodiment of DC-DC transducer, output rectifier circuit 305 can combine with voltage error signal circuit 306 (as, on a common tube core).In addition, transformer driver 303 can be integrated together with switching regulator circuit 308, although export a normally individual dice of switch (not shown).
In addition, in one embodiment, output rectifier circuit 305; Voltage error signal circuit 306; Switching regulator circuit 308; Can be integrated on the single tube core that comprises each circuit element with the individual dice of transformer driver 303 or element or said two devices.Like this, MCM 501 can comprise a single tube core, acoustic transformer 304 and passive component 403.
In one embodiment, AC-DC transducer 302 can be implemented in one and comprises resistor, diode, capacitor, the circuit of inductor and fuse etc.As an alternative, AC-DC transducer 302 is realized by one or more known package modules that are connected to MCM 501 that are electrically connected by assembly or the conduct that is installed on the substrate 401.For example, AC-DC transducer 302 and MCM 501 can be installed on the same printed circuit board (PCB) (not shown) and by the circuit on the plate and be interconnected.As an alternative, AC-DC transducer 302 can connect by a flat cable, lead, or similar connection and being connected.
In one embodiment, in case connect, power supply adaptor 500 can be integrated into and install 100 portable electron device as previously described, or is integrated in the pin type connector 205.As an alternative, MCM 501 can be integrated into the connection that also is implemented to AC-DC transducer 302 in the device 100 in view of the above.In another specific embodiment, AC-DC transducer 302 can disconnect from MCM 501 and connecting, and transducer 302 or MCM 501 or said two devices can be removed from installing 101.In any case power supply adaptor 500 can be integrated on portable electron device 100 or the pin type connector.
According to embodiment, second level of DC-DC conversion needs the some place of specific voltage to be provided in whole system.This second level adjustment often is called " POL (point ofload) " and regulates.For example, must subsequently 5.0 volts of DC power supplys further be reduced to 1.8 volts.Now this embodiment is described.In with reference to the described embodiment of figure 6A, the DC-DC transducer is not isolated; And in reference to the described embodiment of figure 6B, the DC-DC transducer is isolated.
Accompanying drawing 6A is the conceptual view of the DC-DC converter circuit realized on MCM 601 according to an embodiment.MCM 601 comprise many with reference to figure 3,4 and 5 described common features.The details of these features no longer repeats to avoid the making description of present embodiment ambiguous.
According to embodiment, the element of MCM 601 be on the MCM 601 encapsulation or packaged die not.In addition or as an alternative, the element of MCM 601 can comprise independently passive and active electric component.These electric components can be " chip " forms.In addition, can on substrate 401, dispose as the signal monitoring circuit (not shown) and/or support other circuit of circuit (not shown) and so on.
In the present embodiment, the DC input of arriving MCM 601 receives from a power supply (not shown), and this power supply for example provides the power supply that an input AC signal is carried out AC/DC conversion and adjusting, battery, or other power supply.Schematically, can be direct-flow output signal to the direct-flow input signal of MCM 601 among Fig. 6 A from the MCM 501 of accompanying drawing 5.Advantageously, this power supply is an electrical isolation.The electrical isolation that like this, does not just need the DC-DC transducer of MCM 601.
Input offers MCM 601 as DC in the direct current output of power supply, by the DC-DC transducer voltage is carried out boost conversion or step-down conversion and adjusting for it.Therefore, on MCM 601, do not provide AC-DC transducer 302.In addition, in the not segregate embodiment of DC-DC transducer, do not need isolation feedback circuit 307.
The DC-DC converter circuit of MCM 601 comprises: transformer driver 303; Acoustic transformer 304; Output rectifier circuit 305; Voltage error signal circuit 306; Switching regulator circuit 308; With passive component 403.In one embodiment, the DC-DC transducer have be arranged in the substrate 401 or the surface 402 of substrate 401 on or the element of said two devices.
Direct-flow input signal is provided for the DC-DC transducer that contains transformer driver 303 by the connection on the MCM 601, and the generation of AC-DC power source conversion is as in conjunction with described in Fig. 3-5.The DC-DC converter circuit is supplied with the DC output signal then.Like this, the DC-DC transducer is as point-of-load regulators work.
In the present embodiment, because the isolation at DC-DC transducer place is dispensable, therefore can consider specific alternate embodiments.For example, acoustic transformer 304 is not to be necessary for the isolation acoustic transformer; Although it can certainly be to isolate acoustic transformer.In addition, because the DC-DC transducer not necessarily isolates, so voltage error signal circuit 306 do not need to be integrated into to separate in the tube core with switching regulator circuit 308.Like this, the individual dice shown in can replacing with the independent tube core of an element that comprises voltage error signal circuit 306 and switching regulator circuit 308.
In addition, transformer driver 303 in one embodiment; Output rectifier circuit 305; Voltage error signal circuit 306; Can be integrated into the singulated dies of the element that comprises each circuit with switching regulator circuit 308 these each circuit.Like this, MCM 601 can comprise a single tube core, acoustic transformer 304 and passive component 403.In addition, in one embodiment, acoustic transformer 304 can be integrated on the same substrate with this single tube core.
Fig. 6 B is the conceptual view of the DC-DC converter circuit realized on MCM 602 according to another embodiment.MCM 602 comprise many with reference to the described common feature of figure 3-6A.The details of these features no longer repeats to avoid the making description of present embodiment ambiguous.
As the DC-DC transducer among Fig. 6 A, the DC-DC transducer of MCM 602 is a point-of-load regulators.The DC input can be as previously mentioned from the insulating power supply (not shown).But the DC-DC transducer in the present embodiment is isolated.Particularly, this DC-DC transducer comprises transformer driver 303; Sound isolated converter 304; Output rectifier circuit 305; Voltage error signal circuit 306; Feedback isolation circuit 307; Switching regulator circuit 308; With passive component 403.The function of these assemblies has been described in this, thereby no longer repeats.
According to embodiment, an integrated power supply adapter has been described, one comprises the portable electron device and an integrated DC-DC transducer of integrated power supply adapter.Advantageously, instruct this power supply adaptor and DC-DC transducer to comprise the assembly that volume is less by this but required electric property is provided.Those skilled in the art should understand that the many variations according to this instruction are possible and still fall within the scope of the appended claims.For a person skilled in the art, at this specification of studying at this, after accompanying drawing and the claim, it is clear that the variation of these and other will become.Except that the spirit and scope of additional claim, the present invention should be not restricted.

Claims (43)

1. portable electron device comprises:
Convert AC power the integrated power supply adapter of DC power supply to, this integrated power supply adapter further comprises:
The sound isolated converter.
2. portable electron device as claimed in claim 1, wherein this isolated converter comprises bulk acoustic wave resonator.
3. portable electron device as claimed in claim 1, wherein this isolated converter comprises that the mould electric material piles up.
4. portable electron device as claimed in claim 1, wherein this portable electron device comprises mobile phone; Personal digital assistant; Portable computer; The portable equipment for taking photograph machine; The portable music device; Hadie transceiver; Beep-pager; Or digital camera; Or video tape recorder; Or one or more in the Portable GPS device.
5. portable electron device as claimed in claim 2, wherein this acoustic transformer further comprises the lead zirconate titanate piezoelectric material, or the aluminium nitride piezoelectric, or the zinc oxide piezoelectric.
6. portable electron device as claimed in claim 1 further comprises the integrated electrical cnnector that is suitable for this integrated power supply adapter is connected to this AC power.
7. portable electron device as claimed in claim 6, wherein this integrated electrical cnnector is the pin connector that is suitable for being connected to wall socket.
8. portable electron device as claimed in claim 6, wherein this integrated electrical cnnector is suitable for being connected to complementary connector, and this complementary connector is connected to the pin connector that is suitable for being connected to wall socket.
9. portable electron device as claimed in claim 1 further comprises the integrated power supply module that comprises this integrated power supply adapter and battery.
10. portable electron device as claimed in claim 1, wherein this power supply adaptor is a multi-chip module.
11. portable electron device as claimed in claim 9, wherein this integrated power supply adapter is a multi-chip module.
12. an integrated power supply module comprises:
Battery;
Be connected to this battery and be suitable for alternating voltage is converted to the integrated power supply adapter of direct voltage, this integrated power supply adapter further comprises:
The sound isolated converter.
13. integrated power supply module as claimed in claim 12, wherein this isolated converter comprises bulk acoustic wave resonator.
14. integrated power supply module as claimed in claim 12, wherein this isolated converter comprises that the mould electric material piles up.
15. integrated power supply module as claimed in claim 12 further comprises charge indicator.
16. integrated power supply module as claimed in claim 12 further comprises the integrated electrical cnnector that is suitable for the integrated battery charger is connected to AC power.
17. integrated power supply module as claimed in claim 12, wherein this integrated electrical cnnector is the pin connector that is suitable for being connected to wall socket.
18. integrated power supply module as claimed in claim 12, wherein this power supply adaptor is a multi-chip module.
19. integrated power supply module as claimed in claim 12, wherein this acoustic transformer further comprises the lead zirconate titanate piezoelectric material, or the aluminium nitride piezoelectric, or the zinc oxide piezoelectric.
20. an integrated power supply adapter comprises:
Multi-chip module with substrate;
AC-DC converter;
DC-to-DC converter, this power supply adaptor has and is configured in this substrate or the lip-deep assembly of this substrate, perhaps has the lip-deep assembly that is configured in the assembly in this substrate and is configured in this substrate, and be suitable for converting alternating voltage to direct voltage, this power supply adaptor further comprises:
Acoustic transformer.
21. integrated power supply adapter as claimed in claim 20, wherein this acoustic transformer comprises bulk acoustic wave resonator.
22. integrated power supply adapter as claimed in claim 20, wherein this acoustic transformer comprises that piezoelectric piles up.
23. integrated power supply adapter as claimed in claim 20, wherein this acoustic transformer is isolated converter.
24. integrated power supply adapter as claimed in claim 20, wherein this acoustic transformer further comprises the lead zirconate titanate piezoelectric material, or the aluminium nitride piezoelectric, or the zinc oxide piezoelectric.
25. integrated power supply adapter as claimed in claim 20, wherein this AC-DC converter is configured on the substrate.
26. integrated power supply adapter as claimed in claim 20, wherein this AC-DC converter is separated with this multi-chip module and is connected electrically to this multi-chip module.
27. integrated power supply adapter as claimed in claim 20, wherein this DC to DC converter comprises and is configured in this substrate or the lip-deep assembly of this substrate, perhaps comprises the lip-deep assembly that is configured in the assembly in this substrate and is configured in this substrate.
28. integrated power supply adapter as claimed in claim 20, wherein this DC/DC convertor circuitry is the isolated DC-DC converter circuit.
29. integrated power supply adapter as claimed in claim 20, wherein this DC/DC convertor circuitry is not the isolated DC-DC converter circuit.
30. integrated power supply adapter as claimed in claim 20, wherein this DC/DC convertor circuitry further comprises: the transformer driver; Output rectifier circuit; The voltage error signal circuit; And switching regulator circuit.
31. integrated power supply adapter as claimed in claim 29, wherein this voltage error signal circuit and this switching regulator circuit are implemented on the shared tube core.
32. integrated power supply adapter as claimed in claim 29, wherein this transformer driver; This output rectifier circuit; This voltage error signal circuit; Be implemented on the shared tube core with this switching regulator circuit.
33. a multi-chip module comprises:
Substrate; With
DC-to-DC converter, it has and is configured in this substrate or the lip-deep assembly of this substrate, perhaps has the lip-deep assembly that is configured in the assembly in this substrate and is configured in this substrate, and this DC-to-DC converter is suitable for converting input direct voltage to output dc voltage, and this DC-to-DC converter further comprises:
Acoustic transformer.
34. multi-chip module as claimed in claim 33, wherein this acoustic transformer comprises bulk acoustic wave resonator.
35. multi-chip module as claimed in claim 33, wherein this acoustic transformer comprises a multi-layer piezoelectric material.
36. multi-chip module as claimed in claim 33, wherein this acoustic transformer is isolated converter.
37. multi-chip module as claimed in claim 33, wherein this acoustic transformer further comprises the lead zirconate titanate piezoelectric material, or the aluminium nitride piezoelectric, or the zinc oxide piezoelectric.
38. multi-chip module as claimed in claim 33, wherein this DC-to-DC converter is the isolated DC-DC transducer.
39. multi-chip module as claimed in claim 33, wherein this DC-to-DC converter is not the isolated DC-DC transducer.
40. multi-chip module as claimed in claim 33, wherein this DC-to-DC converter further comprises: the transformer driver; Output rectifier; The voltage error signal circuit; And switching regulator circuit.
41. multi-chip module as claimed in claim 39, wherein this DC-to-DC converter further comprises: the transformer driver; Output rectifier; The voltage error signal circuit; And switching regulator circuit.
42. multi-chip module as claimed in claim 41, wherein this voltage error signal circuit and this switching regulator circuit are implemented on the shared tube core.
43. multi-chip module as claimed in claim 41, this transformer driver wherein, this output rectifier, this voltage error signal circuit and this switching regulator circuit are implemented on the shared tube core.
CNA200710101690XA 2006-05-25 2007-04-06 Power adapter and DC-DC converter having acoustic transformer Pending CN101079580A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/440,874 US20070210724A1 (en) 2006-03-09 2006-05-25 Power adapter and DC-DC converter having acoustic transformer
US11/440,874 2006-05-25

Publications (1)

Publication Number Publication Date
CN101079580A true CN101079580A (en) 2007-11-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183984A (en) * 2011-03-25 2011-09-14 重庆长安汽车股份有限公司 Power battery simulation system
CN106469973A (en) * 2015-08-10 2017-03-01 全汉企业股份有限公司 Adaptor power supplies
WO2018082348A1 (en) * 2016-11-07 2018-05-11 西安中兴新软件有限责任公司 Charger and charging method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183984A (en) * 2011-03-25 2011-09-14 重庆长安汽车股份有限公司 Power battery simulation system
WO2012129892A1 (en) * 2011-03-25 2012-10-04 重庆长安汽车股份有限公司 Power battery simulation system
CN102183984B (en) * 2011-03-25 2013-05-08 重庆长安汽车股份有限公司 Power battery simulation system
CN106469973A (en) * 2015-08-10 2017-03-01 全汉企业股份有限公司 Adaptor power supplies
CN106469973B (en) * 2015-08-10 2019-04-02 全汉企业股份有限公司 Adaptor power supplies
WO2018082348A1 (en) * 2016-11-07 2018-05-11 西安中兴新软件有限责任公司 Charger and charging method

Also Published As

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Application publication date: 20071128