CN106130341A - A kind of multifunctional power conversion chip - Google Patents
A kind of multifunctional power conversion chip Download PDFInfo
- Publication number
- CN106130341A CN106130341A CN201610551489.0A CN201610551489A CN106130341A CN 106130341 A CN106130341 A CN 106130341A CN 201610551489 A CN201610551489 A CN 201610551489A CN 106130341 A CN106130341 A CN 106130341A
- Authority
- CN
- China
- Prior art keywords
- chip
- conversion chip
- npn audion
- colelctor electrode
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Abstract
The preferred embodiments of the present invention disclose a kind of multifunctional power conversion chip, for converting input voltage into required output voltage, described multifunctional power conversion chip includes that multiple passage, each passage include: NPN audion, and the colelctor electrode of NPN audion is connected with power supply input；10K resistance, is connected in parallel between colelctor electrode and the base stage of NPN audion；Stabilivolt, the base series stabilivolt ground connection of NPN audion；And limiter diode, it being connected in parallel between transmitting collection and the colelctor electrode of NPN audion, the negative pole of limiter diode connects the output voltage pin that emitter stage junction is chip of the colelctor electrode of NPN audion, the positive pole of limiter diode and NPN audion.The multifunctional power conversion chip of the present invention, because simplifying internal circuit, so being easier to produce, also effectively reducing the requirement for photoetching degree of accuracy, having peace and quiet, high capacity, loose pattern massing, high stability and the advantage of high reliability.
Description
Technical field
The present invention relates to integrated circuit fields, more for, the present invention relates to a kind of multifunctional power conversion chip.
Background technology
Microelectric technique is maked rapid progress, and the structure of electronic equipment becomes increasingly complex, and also can exist in same circuit simultaneously
The most different voltage.The number of chips so related to can get more and more, and the probability of product miniaturization is more and more less, example
Such as computer, the most military or civilian, general display majority is that 24V powers, but USB is 5V, and other of inside
The chip of some 3.3V.Accordingly, it would be desirable to a kind of chip that multivoltage can be provided.
Summary of the invention
In consideration of it, the invention provides a kind of multifunctional power conversion chip, it is used for converting input voltage into required
Output voltage, described multifunctional power conversion chip includes that multiple passage, each passage include: NPN audion, NPN tri-pole
The colelctor electrode of pipe is connected with power supply input；10K resistance, is connected in parallel between colelctor electrode and the base stage of NPN audion；Stabilivolt, NPN
The base series stabilivolt ground connection of audion；And limiter diode, be connected in parallel on the transmitting collection of NPN audion and colelctor electrode it
Between, the negative pole of limiter diode connects the emitter stage of the colelctor electrode of NPN audion, the positive pole of limiter diode and NPN audion
Junction is the output voltage pin of chip.
Preferably, the negative pole of described limiter tube and 10K resistance and the VR pin that base stage junction is chip, external decoupling
Electric capacity.
Preferably, the negative pole of described limiter tube and 10K resistance and the VR pin that base stage junction is chip, external it is less than
The Zener diode of chip reference conversion voltage.
Preferably, the minimum input voltage 1V higher than the output voltage of described passage of described power supply input.
Preferably, the described external decoupling capacitance of output voltage pin.
Preferably, described chip uses PJLCC28 encapsulation, 28 pins, and surface uses Metal shielding shell.
Preferably, the inside silicon chip of described chip uses 40-30nm to be divided into multiple, relative spacing 1.87mm.
Preferably, the quantity of the plurality of passage is nine.
The multifunctional power conversion chip range of application of the present invention widely, has extremely low source current noise, and
And the parameter such as electric current output error is higher much than 78L05,78M05, the chips such as 7805, usefulness or Design Thinking etc. are all
Hold a safe lead.The multi-passage design that the multifunctional power conversion chip of the present invention is unique, also makes it have more preferable user autonomous
Mode of operation.
In the case of or voltage little at amperage requirements uses kind the most various, the multifunctional power conversion of the present invention
The remaining channel of chip can use as spare emergent power source passage, thus considerably increases reliability.The present invention is many
Function power conversion chip also can add peripheral control unit, such as, use single-chip microcomputer or simple multi-parallel to continue
Hard edit required for this chip as regulation master control thus is reached the required state of user by electric switch.
The temperature test of prototype shows, its operating temperature range is-55 DEG C～150 DEG C, and (ST company of France produces
78L05 operating temperature range is :-40 DEG C～150 DEG C), such temperature performance increases under the conditions of polar region more may be used
By property.The inside silicon chip of the multifunctional power conversion chip of the present invention uses 40-30nm, is divided into multi-disc, relative spacing 1.87mm,
Effectively prevent some path deterioration thus disturb other passage.
Another important instruction is exactly current noise, when communication, compared with chip such with 78L05, this
The current noise of bright multifunctional power conversion chip is extremely low, the current noise produced when can effectively reduce communication, its conversion
Frequency is the highest, has reached 150Mhz.
The multifunctional power conversion chip of the present invention is designed as single supply, and design philosophy originally sets for airborne vehicle exactly
Meter, airborne vehicle because do not have cannot ground connection, therefore single supply circuit is in the majority, even if dual power supply to be used can also pass through amplifier,
Time base chip, audion etc. changes into dual power supply, and the multifunctional power conversion chip of the present invention is because simplify internal circuit institute
To be easier to produce, also effectively reduce the requirement for photoetching degree of accuracy, there is peace and quiet, high capacity, loose pattern massing, Gao Wen
The qualitative advantage with high reliability.
According to drawings and Examples described below, these and other aspects of the invention will be apparent from understanding
, and will be elucidated with reference to embodiment described below.
Accompanying drawing explanation
Fig. 1 is the inside schematic diagram of multifunctional power conversion chip according to the preferred embodiment of the invention.
Fig. 2 is the basic single channel 24V regulated power supply using the most multi-functional conversion chip
The circuit theory diagrams of scheme.
Fig. 3 is the circuit of the 3.3V voltage stabilizing output scheme using the most multi-functional conversion chip
Schematic diagram.
Fig. 4 is the three mixing independent current source voltages in parallel using the most multi-functional conversion chip
The circuit theory diagrams of conversion.
Detailed description of the invention
The present invention will be explained more fully below with reference to preferred embodiment illustrated in accompanying drawing.
The DC source conversion chip of the multifunctional free combination of the present invention, by multiple independent operation module groups inside it
Becoming, multiple passages can be independently operated, and can also be used in parallel or in series by several passages according to the demand of user.In order to answer
To such as airborne vehicle, spacecraft, naval vessel, the single multi-voltage requirements circuit that the complicated control system such as land carrier is brought, and
The specific demand in other field.
The multifunctional power conversion chip of the present invention is divided into the chip of following four type:
(1) PRC28M05 that voltage is 5V is changed on basis
(2) PRC28M15 that voltage is 15V is changed on basis
(3) PRC28M24 that voltage is 24V is changed on basis
(4) PRC28M30 that voltage is 30V is changed on basis
Wherein, PRC28M24 default standard power conversion is direct current 24 volts.Design maximum input voltage is direct current 50 volts
Spy, it is 6 amperes that maximum can carry input current, and single channel maximum current is output as 0.8 ampere.
Fig. 1 is the inside schematic diagram of multifunctional power conversion chip PRC28-M05 according to the preferred embodiment of the invention.
PRC28-M05 includes nine passages, as a example by single channel:
Power supply input accesses the colelctor electrode of NPN pipe, the colelctor electrode of 10K resistor coupled in parallel NPN audion and base stage, base series
Stabilivolt ground connection, stabilivolt determines the voltage of power supply output.The negative pole of limiter tube is chip with 10K resistance and base stage junction
VR pin, with external decoupling capacitance, or a Zener diode less than PRC28 Reference Transforming voltage can be reconnected,
For changing the voltage of customer demand.Limiter diode in parallel in the middle of emitter and collector.The positive pole of limiter tube connects to be launched
Pole, negative pole connects colelctor electrode.
Wherein, D1-D9 is built-in photoetching high speed switch tube, and parameter is similar to 1N4148 or 1N914 etc..
Q1-Q9 is built-in photoetching NPN high-gain audion, and its index is 800mA current load, and 0.6-0.7 watt of power is resistance to
Pressure 50V, is similar to the parameters such as BC337, S8050.
Z1-Z9 is 5.6V built-in photoetching Zener diode.
R1-R9 is 10K built-in photoetching resistance.
Set overall is encapsulated as the encapsulation of PJLCC28 paster, and surface uses Metal shielding shell, is beneficial to heat radiation and electricity is made an uproar screen
Cover.
1,4,7,10,13,16,19,22 and No. 25 pins are power supply inputs, and minimum input voltage is than this passage output voltage
High 1V.
2,5,8,11,14,17,20,23 and No. 26 pins are VR foot external 10uF～100uF capacitance cathode, electric capacity negative pole
Ground connection, act as power supply decoupling, and the most external commutation diode less than 24V, as the voltage correction of this passage.Revise
After this channel voltage be that correction value deducts 0.7V.
3,6,9,12,15,18,21,24 and No. 27 pins are+5V power supply constant current output, and can add according to demand
Power supply output decoupling capacitance etc..
PRC28-M05 single channel basic parameter is as shown in the table:
| Project | Pin | Parameter | Unit |
| Input voltage | Power supply inputs | 6～50 | V |
| Output voltage | Power supply exports | 5 | V |
| Output error | Power supply exports | 0.35 | % |
| Maximum carrying electric current | Power supply inputs | 800 | mA |
| Power consumption | Single channel | 197.3 | mW |
| Operating temperature | Single channel | -55～+150 | Degree Celsius |
Each pin of PRC28M05 is described as follows shown in table:
| 1 | First passage power supply inputs | 15 | Five-channel power supply exports |
| 2 | First passage power supply VR | 16 | 6th channel power source input |
| 3 | First passage power supply exports | 17 | 6th channel power source VR |
| 4 | Second channel power supply inputs | 18 | 6th channel power source output |
| 5 | Second channel power supply VR | 19 | 7th channel power source input |
| 6 | Second channel power supply output | 20 | 7th channel power source VR |
| 7 | Third channel power supply inputs | 21 | 7th channel power source output |
| 8 | Third channel power supply VR | 22 | 8th channel power source input |
| 9 | Third channel power supply exports | 23 | 8th channel power source VR |
| 10 | Fourth lane power supply inputs | 24 | 8th channel power source output |
| 11 | Fourth lane power supply VR | 25 | 9th channel power source input |
| 12 | Fourth lane power supply exports | 26 | 9th channel power source VR |
| 13 | Five-channel power supply inputs | 27 | 9th channel power source output |
| 14 | Five-channel power supply VR | 28 | Power supply ground |
For the voltage that 24V, 5V and 3.3V these three is common, the multi-functional conversion chip of the present invention can every three passages
Parallel connection, three parallel ports can be with maximum load 2.4 Ampere currents.The power demands of modern electronic product can be met completely, fortune
Extensive and efficient, stable with field.
Three schemes that Fig. 2-4 illustrates employ PRC28-24M (basis 24V), and scheme one exports example for 24V basis；
Scheme two is 3.3V constant current output scheme, and scheme three is tri-kinds of different voltage mixing independent output examples of 9.3V, 24V, 12V.
Above in conjunction with drawings and Examples, the present invention is elaborated.It is understood, however, that embodiments of the invention
It is not limited to disclosed specific embodiment, and is also intended to the amendment of this embodiment and other embodiments to be comprised in appended
In the range of claims.Although being used here particular term, but they only use in descriptive sense general,
Rather than for the purpose limited.
Claims (8)
1. a multifunctional power conversion chip, for converting input voltage into required output voltage, it is characterised in that
Described multifunctional power conversion chip includes that multiple passage, each passage include:
NPN audion, the colelctor electrode of NPN audion is connected with power supply input；
10K resistance, is connected in parallel between colelctor electrode and the base stage of NPN audion；
Stabilivolt, the base series stabilivolt ground connection of NPN audion；And
Limiter diode, is connected in parallel between transmitting collection and the colelctor electrode of NPN audion, and the negative pole of limiter diode connects NPN tri-
The output voltage pin that emitter stage junction is chip of the colelctor electrode of pole pipe, the positive pole of limiter diode and NPN audion.
Multi-functional conversion chip the most according to claim 1, it is characterised in that the negative pole of described limiter tube and 10K resistance
And the VR pin that base stage junction is chip, external decoupling capacitance.
Multi-functional conversion chip the most according to claim 1, it is characterised in that the negative pole of described limiter tube and 10K resistance
And the VR pin that base stage junction is chip, the external Zener diode less than chip reference conversion voltage.
Multi-functional conversion chip the most according to claim 1, it is characterised in that the minimum input voltage of described power supply input
1V higher than the output voltage of described passage.
Multi-functional conversion chip the most according to claim 1, it is characterised in that described output voltage pin external decoupling electricity
Hold.
Multi-functional conversion chip the most according to claim 1, it is characterised in that described chip uses PJLCC28 to encapsulate, 28
Position pin, surface uses Metal shielding shell.
Multi-functional conversion chip the most according to claim 1, it is characterised in that the inside silicon chip of described chip uses 40-
30nm is divided into multiple, relative spacing 1.87mm.
8. according to the multi-functional conversion chip that in the claims, any one is described, it is characterised in that the plurality of passage
Quantity be nine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551489.0A CN106130341A (en) | 2016-07-13 | 2016-07-13 | A kind of multifunctional power conversion chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551489.0A CN106130341A (en) | 2016-07-13 | 2016-07-13 | A kind of multifunctional power conversion chip |
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| Publication Number | Publication Date |
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| CN106130341A true CN106130341A (en) | 2016-11-16 |
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| CN201610551489.0A Pending CN106130341A (en) | 2016-07-13 | 2016-07-13 | A kind of multifunctional power conversion chip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880195A (en) * | 2018-07-03 | 2018-11-23 | 中国电子科技集团公司第二十四研究所 | Multichannel voltage converter based on integrative packaging |
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| CN202949369U (en) * | 2012-08-09 | 2013-05-22 | 宁永健 | Stabilized voltage supply with properties of simpleness and applicability |
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| CN105356749A (en) * | 2015-11-28 | 2016-02-24 | 安徽朗格暖通设备有限公司 | Boosting circuit and air conditioner |
| CN205142002U (en) * | 2015-09-30 | 2016-04-06 | 广州金升阳科技有限公司 | Switching power supply from supply circuit |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202646106U (en) * | 2012-06-08 | 2013-01-02 | 上海卡固电气设备有限公司 | Control circuit of AC (Alternating Current) blower |
| CN202949369U (en) * | 2012-08-09 | 2013-05-22 | 宁永健 | Stabilized voltage supply with properties of simpleness and applicability |
| CN203691230U (en) * | 2014-02-11 | 2014-07-02 | 华东交通大学 | Wireless Sensor Network (WSN) monitor node power management apparatus for Gannan navel oranges |
| CN204349772U (en) * | 2014-12-24 | 2015-05-20 | 深圳市创鑫激光股份有限公司 | A kind of linear voltage stabilization power supply circuits |
| CN205142002U (en) * | 2015-09-30 | 2016-04-06 | 广州金升阳科技有限公司 | Switching power supply from supply circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108880195A (en) * | 2018-07-03 | 2018-11-23 | 中国电子科技集团公司第二十四研究所 | Multichannel voltage converter based on integrative packaging |
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Application publication date: 20161116 |