CN205319945U - Expanded DC -DC power module mainboard - Google Patents
Expanded DC -DC power module mainboard Download PDFInfo
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- CN205319945U CN205319945U CN201520975403.8U CN201520975403U CN205319945U CN 205319945 U CN205319945 U CN 205319945U CN 201520975403 U CN201520975403 U CN 201520975403U CN 205319945 U CN205319945 U CN 205319945U
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- mos pipe
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- electric capacity
- power source
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Abstract
The utility model discloses an expanded DC -DC power module mainboard for supply power for central processing unit, expanded DC -DC power module mainboard includes DC -DC electrical source controller and connects respectively DC -DC electrical source controller with DC -DC reduction voltage circuit between the central processing unit, the 2nd DC -DC reduction voltage circuit, its characterized in that still includes the 3rd DC -DC reduction voltage circuit and fourth DC -DC reduction voltage circuit, the 3rd DC -DC reduction voltage circuit and fourth DC -DC reduction voltage circuit pass through the expansion slot and connect DC -DC electrical source controller with between the central processing unit. Implement the beneficial effects of the utility model are that, can satisfy the central processing unit's of different consumptions power demand, the operation is very convenient.
Description
Technical field
The utility model relates to field of power supplies, more specifically, it relates to one can expand DC-DC power module mainboard.
Background technology
In the serial CPU of x86 framework, can be different with the usual power consumption of the CPU of a series of different shaped number, the power consumption of such as CPU has 35W, 45W, 65W, 95W, but the encapsulation of these CPU is completely the same, that is, these CPU can exchange use, but on existing DC-DC power module mainboard, when designing mainboard DC-DC power source, if mainboard DC-DC power source directly being designed to support the CPU of 95W, then this mainboard DC-DC power source can the CPU of compatible 35W, 45W, 65W, but cost is higher, energy consumption is bigger. Therefore be badly in need of providing a kind of can the CPU of compatible multiple power consumption and cost is lower, energy consumption is less DC D/C power module motherboard.
Practical novel content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, it is provided that a kind of can the DC-DC power module the expanded mainboard of CPU of compatible multiple power consumption.
The utility model solves the technical scheme that its technical problem adopts: provide one can expand DC-DC power module mainboard, for powering to central processing unit, described expand DC-DC power module mainboard comprise DC-DC power source controller and be connected between described DC-DC power source controller and described central processing unit a DC-DC step-down circuit, 2nd DC-DC step-down circuit, also comprise the 3rd DC-DC step-down circuit and the 4th DC-DC step-down circuit, described 3rd DC-DC step-down circuit and the 4th DC-DC step-down circuit are connected to by expansion slot between described DC-DC power source controller and described central processing unit.
Expand in DC-DC power module mainboard above-mentioned, a described DC-DC step-down circuit comprises a MOS pipe, 2nd MOS pipe and the first inductance and the first electric capacity, the grid of a described MOS pipe connects pipe actuate signal output pin on the first of described DC-DC power source controller, the grid of described 2nd MOS pipe connects first time pipe actuate signal output pin of described DC-DC power source controller, tie point between the source electrode of a described MOS pipe and the drain electrode of described 2nd MOS pipe connects the first over-current detection input pin of described DC-DC power source controller, one end of described first inductance connects the tie point between the source electrode of a described MOS pipe and the drain electrode of described 2nd MOS pipe, the other end of described first inductance connects described central processing unit and one end of described first electric capacity respectively, the other end ground connection of described first electric capacity, the drain electrode of a described MOS pipe connects voltage of supply, the source ground of described 2nd MOS pipe.
Expand in DC-DC power module mainboard above-mentioned, described 2nd DC-DC step-down circuit comprises the 3rd MOS pipe, 4th MOS pipe and the 2nd inductance and the 2nd electric capacity, the grid of described 3rd MOS pipe connects pipe actuate signal output pin on the 2nd of described DC-DC power source controller, the grid of described 4th MOS pipe connects the 2nd time pipe actuate signal output pin of described DC-DC power source controller, tie point between the source electrode of described 3rd MOS pipe and the drain electrode of described 4th MOS pipe connects the 2nd over-current detection input pin of described DC-DC power source controller, one end of described 2nd inductance connects the tie point between the source electrode of described 3rd MOS pipe and the drain electrode of described 4th MOS pipe, the other end of described 2nd inductance connects one end of described 2nd electric capacity and the tie point of described first inductance and the first electric capacity respectively, the other end ground connection of described 2nd electric capacity, the drain electrode of described 3rd MOS pipe connects voltage of supply, the source ground of described 4th MOS pipe.
Expand in DC-DC power module mainboard above-mentioned, described 3rd DC-DC step-down circuit comprises the 5th MOS pipe, 6th MOS pipe and the 3rd inductance and the 3rd electric capacity, the grid of described 5th MOS pipe connects pipe actuate signal output pin on the 3rd of described DC-DC power source controller by described expansion slot, the grid of described 6th MOS pipe connects the 3rd time pipe actuate signal output pin of described DC-DC power source controller by described expansion slot, tie point between the source electrode of described 5th MOS pipe and the drain electrode of described 6th MOS pipe connects the 3rd over-current detection input pin of described DC-DC power source controller by described expansion slot, one end of described 3rd inductance connects the tie point between the source electrode of described 5th MOS pipe and the drain electrode of described 6th MOS pipe, the other end of described 3rd inductance connects one end of described 3rd electric capacity also by the tie point of described expansion slot described first inductance of connection and the first electric capacity, the other end ground connection of described 3rd electric capacity, the drain electrode of described 5th MOS pipe connects voltage of supply, the source ground of described 6th MOS pipe.
Expand in DC-DC power module mainboard above-mentioned, described 4th DC-DC step-down circuit comprises driving chip and the 7th MOS manages, 8th MOS pipe, 4th inductance and the 4th electric capacity, described driving chip is connected by described expansion slot and described DC-DC power source controller, the grid of described 7th MOS pipe connects the upper pipe actuate signal output pin of described driving chip, the grid of described 8th MOS pipe connects the lower pipe actuate signal output pin of described driving chip, tie point between the source electrode of described 7th MOS pipe and the drain electrode of described 8th MOS pipe connects the over-current detection input pin of described driving chip, one end of described 4th inductance connects the tie point between the drain electrode of described 7th MOS pipe and the drain electrode of described 8th MOS pipe, the other end of described 4th inductance is connected one end of described 4th electric capacity and is connected the tie point of described first inductance and described first electric capacity by described expansion slot, the other end ground connection of described 4th electric capacity, the drain electrode of described 7th MOS pipe connects voltage of supply, the source ground of described 8th MOS pipe.
Implement of the present utility model to expand DC-DC power module mainboard, there is following useful effect: for the user of low end performance demand, as the central processing unit of low-power consumption need to be supported, the power demands of this central processing unit can be met by a DC-DC step-down circuit and the 2nd DC-DC step-down circuit, save product cost, environmental protection and energy saving. In addition, for the user of high performance demands, as the central processing unit of high power consumption need to be supported, now directly the 3rd DC-DC step-down circuit and the 4th DC-DC step-down circuit are connected between DC-DC power source controller and central processing unit by expansion slot, the power demands of this central processing unit can be met, easy to operate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is a kind of structural representation expanding DC-DC power module mainboard embodiment of the utility model;
Fig. 2 is a kind of circuit diagram expanding DC-DC power module mainboard embodiment of the utility model.
Embodiment
In order to technology feature of the present utility model, object and effect are had understanding clearly, now compare accompanying drawing and embodiment of the present utility model is described in detail.
Usual mainboard DC-DC power source comprises heterogeneous, such as 1 phase, 2 phases, 4 phases, 6 phases or 8 equal even more heterogeneous, each phase is all for providing identical voltage of supply to central processing unit (CPU), and mainboard DC-DC power source comprises DC-DC power source controller and multiple DC-DC step-down circuit, DC-DC power source controller can provide multi-phase controlling signal (i.e. pwm signal) to correspond to this multiple DC-DC step-down circuit respectively.
As shown in Figure 1, the structural representation of DC-DC power module mainboard embodiment is expanded for the utility model is a kind of, for powering to central processing unit 16, in the present embodiment, this can be expanded DC-DC power module mainboard and comprises DC-DC power source controller 10, DC-DC step-down circuit the 11, the 2nd DC-DC step-down circuit the 12, the 3rd DC-DC step-down circuit 13 and the 4th DC-DC step-down circuit 14 and an expansion slot 15. Wherein: the input terminus of a DC-DC step-down circuit 11 and the 2nd DC-DC step-down circuit 12 connects DC-DC power source controller 10, the output terminal of the one DC-DC step-down circuit 11 and the 2nd DC-DC step-down circuit 12 connects central processing unit 16 respectively, for providing the voltage of supply of corresponding power consumption to central processing unit 16.
Especially, when central processing unit 16 needs higher power consumption, 3rd DC-DC step-down circuit 13 and the 4th DC-DC step-down circuit 14 are connected between DC-DC power source controller 10 and central processing unit 16 by expansion slot 15, jointly provide the voltage of supply of higher power consumption to central processing unit 16 with a DC-DC step-down circuit 11 and the 2nd DC-DC step-down circuit 12. As shown in the figure, the 3rd DC-DC step-down circuit 13 and the 4th DC-DC step-down circuit 14 can be connected to central processing unit 16 by expansion slot 15, provide voltage of supply to this central processing unit 16.
In the present embodiment, when user uses relatively low-power consumption such as 35W or 45W central processing unit, directly provide voltage of supply can meet this power consumption demand to central processing unit 16 by DC-DC power source controller 10 and a DC-DC step-down circuit 11 and the 2nd DC-DC step-down circuit 12. And when user uses higher power dissipation such as the central processing unit of 65W or 95W, then only need to being connected between DC-DC power source controller 10 and central processing unit 16 by the 3rd DC-DC step-down circuit 13 and the 4th DC-DC step-down circuit 14 by expansion slot 15, now DC-DC power source controller 10 and four DC-DC step-down circuit can meet this power consumption demand.
As shown in Figure 2, the circuit diagram of DC-DC power module mainboard embodiment is expanded for the utility model is a kind of, there is provided pwm control signal to corresponding DC-DC step-down circuit by DC-DC power source controller 10, it is achieved to export heterogeneous voltage of supply to central processing unit 16. In the present embodiment, DC-DC power source controller 10 can be preferably the chip that model is ISL95820, and corresponding driving chip U1 can be preferably peripheral chip as DC-DC power source controller 10 of chip that model is ISL6625A with the demand of satisfied offer 4 phase voltage of supply.Specifically, as shown in Figure 2, one DC-DC step-down circuit 11 comprises a MOS pipe Q1, 2nd MOS pipe Q2 and the first inductance L 1 and the first electric capacity C1, the grid of the one MOS pipe Q1 connects pipe actuate signal output pin (being UGATE1 pin) on the first of DC-DC power source controller 10, the grid of the 2nd MOS pipe Q2 connects first time pipe actuate signal output pin (being LGATE1 pin) of DC-DC power source controller 10, tie point between the source electrode of the one MOS pipe Q1 and the drain electrode of the 2nd MOS pipe Q2 connects the first over-current detection input pin (i.e. PHASE1 pin) of DC-DC power source controller 10, one end of first inductance L 1 connects the tie point between the source electrode of a MOS pipe Q1 and the drain electrode of the 2nd MOS pipe Q2, the other end of the first inductance L 1 connects one end of central processing unit 16 and the first electric capacity C1 respectively, the other end ground connection of the first electric capacity C1, the drain electrode of the one MOS pipe Q1 connects voltage of supply VCC, the source ground of the 2nd MOS pipe Q2.
Equally, 2nd DC-DC step-down circuit 12 comprises the 3rd MOS pipe Q3, 4th MOS pipe Q4 and the 2nd inductance L 2 and the 2nd electric capacity C2, the grid of the 3rd MOS pipe Q3 connects pipe actuate signal output pin (being UGATE2 pin) on the 2nd of DC-DC power source controller 10, the grid of the 4th MOS pipe Q4 connects the 2nd time pipe actuate signal output pin (being LGATE2 pin) of DC-DC power source controller 10, tie point between the source electrode of the 3rd MOS pipe Q3 and the drain electrode of the 4th MOS pipe Q4 connects the 2nd over-current detection input pin (being PHASE2 pin) of DC-DC power source controller 10, one end of 2nd inductance L 2 connects the tie point between the source electrode of the 3rd MOS pipe Q3 and the drain electrode of the 4th MOS pipe Q4, the other end of the 2nd inductance L 2 connects one end of the 2nd electric capacity C2 and the tie point of the first inductance L 1 and the first electric capacity C1 respectively, the other end ground connection of the 2nd electric capacity C2, the drain electrode of the 3rd MOS pipe Q3 connects voltage of supply VCC, the source ground of the 4th MOS pipe Q4.
Above-mentioned 3rd DC-DC step-down circuit 13 comprises the 5th MOS pipe Q5, the 6th MOS pipe Q6 and the 3rd inductance L 3 and the 3rd electric capacity C3, 4th DC-DC step-down circuit 14 comprises driving chip U1, the 7th MOS pipe Q7, the 8th MOS pipe Q8 and the 4th inductance L 4 and the 4th electric capacity C4. when user uses the central processing unit 16 of higher power consumption, by expansion slot 15, expansion of power supply module i.e. the 3rd DC-DC step-down circuit 13 and the 4th DC-DC step-down circuit 14 need to be arranged between DC-DC power source controller 10 and central processing unit 16. the grid of the 5th MOS pipe Q5 connects pipe actuate signal output pin (being UGATE3 pin) on the 3rd of DC-DC power source controller 10 by expansion slot 15 (not shown), the grid of the 6th MOS pipe Q6 connects the 3rd time pipe actuate signal output pin (being LGATE3 pin) of DC-DC power source controller 10 by expansion slot 15, tie point between the source electrode of the 5th MOS pipe Q5 and the drain electrode of the 6th MOS pipe Q6 connects the 3rd over-current detection input pin (being PHASE3 pin) of DC-DC power source controller 10 by expansion slot 15, one end of 3rd inductance L 3 connects the tie point between the source electrode of the 5th MOS pipe Q5 and the drain electrode of the 6th MOS pipe Q6, the other end of the 3rd inductance L 3 is connected one end of the 3rd electric capacity C3 and is connected the tie point of the first inductance L 1 and the first electric capacity C1 by expansion slot 15, the other end ground connection of the 3rd electric capacity C3, the drain electrode of the 5th MOS pipe Q5 connects voltage of supply VCC, the source ground of the 6th MOS pipe Q6.
The PWM pin of driving chip U1 is connected to the PWM4 pin of DC-DC power source controller 10 by expansion slot 15 (not shown), the grid of the 7th MOS pipe Q7 connects the upper pipe actuate signal output pin (being UGATE pin) of driving chip U1, the grid of the 8th MOS pipe Q8 connects the lower pipe actuate signal output pin (being LGATE pin) of driving chip U1, and the tie point between the source electrode of the 7th MOS pipe Q7 and the drain electrode of the 8th MOS pipe Q8 connects over-current detection input pin (i.e. PHASE pin) of driving chip U1. One end of 4th inductance L 4 connects the tie point between the source electrode of the 7th MOS pipe Q7 and the drain electrode of the 8th MOS pipe Q8, the other end of the 4th inductance L 4 is connected one end of the 4th electric capacity C4 and is connected the tie point of the first inductance L 1 and the first electric capacity C1 by expansion slot 15, the other end ground connection of the 4th electric capacity C4, the drain electrode of the 7th MOS pipe Q1 connects voltage of supply VCC, the source ground of the 8th MOS pipe Q8.
Above-mentioned DC-DC power source controller 10 coordinates driving chip U1 to export conducting and the disconnection that 4 phase control signals control each DC-DC step-down circuit breaker in middle pipe respectively, thus export the voltage of supply with different capacity to central processing unit 16, this process is the general utility functions of this DC-DC power source controller 10, does not repeat them here. In addition, above-mentioned all MOS pipes are N-type MOS pipe.
Compared to prior art, the DC-DC power module mainboard that the utility model can be expanded is that 4 phases are powered, and can think that central processing unit provides 4 phase voltage of supply. For the user of low end performance demand, as supported, power consumption is the central processing unit of 35W or 45W, can be met the power demands of this central processing unit by a DC-DC step-down circuit and the 2nd DC-DC step-down circuit, save product cost, environmental protection and energy saving. In addition, for the user of high performance demands, as supported, power consumption is the central processing unit of 65W or 95W, now directly the 3rd DC-DC step-down circuit and the 4th DC-DC step-down circuit are installed by expansion slot, it is made to be connected between DC-DC power source controller and central processing unit, the power demands of this central processing unit can be met, easy to operate.
Above in conjunction with accompanying drawing, embodiment of the present utility model is described; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; the those of ordinary skill of this area is under enlightenment of the present utility model; not departing from the utility model objective and in scope situation that claim is protected, also can make a lot of form, these all belong within protection of the present utility model.
Claims (5)
1. can expand DC-DC power module mainboard for one kind, for powering to central processing unit, described expand DC-DC power module mainboard comprise DC-DC power source controller and be connected between described DC-DC power source controller and described central processing unit a DC-DC step-down circuit, the 2nd DC-DC step-down circuit, it is characterized in that, also comprising the 3rd DC-DC step-down circuit and the 4th DC-DC step-down circuit, described 3rd DC-DC step-down circuit and the 4th DC-DC step-down circuit are connected to by expansion slot between described DC-DC power source controller and described central processing unit.
2. according to claim 1 expand DC-DC power module mainboard, it is characterized in that, a described DC-DC step-down circuit comprises a MOS pipe, 2nd MOS pipe and the first inductance and the first electric capacity, the grid of a described MOS pipe connects pipe actuate signal output pin on the first of described DC-DC power source controller, the grid of described 2nd MOS pipe connects first time pipe actuate signal output pin of described DC-DC power source controller, tie point between the source electrode of a described MOS pipe and the drain electrode of described 2nd MOS pipe connects the first over-current detection input pin of described DC-DC power source controller, one end of described first inductance connects the tie point between the source electrode of a described MOS pipe and the drain electrode of described 2nd MOS pipe, the other end of described first inductance connects described central processing unit and one end of described first electric capacity respectively, the other end ground connection of described first electric capacity, the drain electrode of a described MOS pipe connects voltage of supply, the source ground of described 2nd MOS pipe.
3. according to claim 2 expand DC-DC power module mainboard, it is characterized in that, described 2nd DC-DC step-down circuit comprises the 3rd MOS pipe, 4th MOS pipe and the 2nd inductance and the 2nd electric capacity, the grid of described 3rd MOS pipe connects pipe actuate signal output pin on the 2nd of described DC-DC power source controller, the grid of described 4th MOS pipe connects the 2nd time pipe actuate signal output pin of described DC-DC power source controller, tie point between the source electrode of described 3rd MOS pipe and the drain electrode of described 4th MOS pipe connects the 2nd over-current detection input pin of described DC-DC power source controller, one end of described 2nd inductance connects the tie point between the source electrode of described 3rd MOS pipe and the drain electrode of described 4th MOS pipe, the other end of described 2nd inductance connects one end of described 2nd electric capacity and the tie point of described first inductance and the first electric capacity respectively, the other end ground connection of described 2nd electric capacity, the drain electrode of described 3rd MOS pipe connects voltage of supply, the source ground of described 4th MOS pipe.
4. according to claim 2 expand DC-DC power module mainboard, it is characterized in that, described 3rd DC-DC step-down circuit comprises the 5th MOS pipe, 6th MOS pipe and the 3rd inductance and the 3rd electric capacity, the grid of described 5th MOS pipe connects pipe actuate signal output pin on the 3rd of described DC-DC power source controller by described expansion slot, the grid of described 6th MOS pipe connects the 3rd time pipe actuate signal output pin of described DC-DC power source controller by described expansion slot, tie point between the source electrode of described 5th MOS pipe and the drain electrode of described 6th MOS pipe connects the 3rd over-current detection input pin of described DC-DC power source controller by described expansion slot, one end of described 3rd inductance connects the tie point between the source electrode of described 5th MOS pipe and the drain electrode of described 6th MOS pipe, the other end of described 3rd inductance connects one end of described 3rd electric capacity also by the tie point of described expansion slot described first inductance of connection and the first electric capacity, the other end ground connection of described 3rd electric capacity, the drain electrode of described 5th MOS pipe connects voltage of supply, the source ground of described 6th MOS pipe.
5. according to claim 2 expand DC-DC power module mainboard, it is characterized in that, described 4th DC-DC step-down circuit comprises driving chip and the 7th MOS manages, 8th MOS pipe, 4th inductance and the 4th electric capacity, described driving chip is connected by described expansion slot and described DC-DC power source controller, the grid of described 7th MOS pipe connects the upper pipe actuate signal output pin of described driving chip, the grid of described 8th MOS pipe connects the lower pipe actuate signal output pin of described driving chip, tie point between the source electrode of described 7th MOS pipe and the drain electrode of described 8th MOS pipe connects the over-current detection input pin of described driving chip, one end of described 4th inductance connects the tie point between the drain electrode of described 7th MOS pipe and the drain electrode of described 8th MOS pipe, the other end of described 4th inductance is connected one end of described 4th electric capacity and is connected the tie point of described first inductance and described first electric capacity by described expansion slot, the other end ground connection of described 4th electric capacity, the drain electrode of described 7th MOS pipe connects voltage of supply, the source ground of described 8th MOS pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975403.8U CN205319945U (en) | 2015-11-30 | 2015-11-30 | Expanded DC -DC power module mainboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975403.8U CN205319945U (en) | 2015-11-30 | 2015-11-30 | Expanded DC -DC power module mainboard |
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| Publication Number | Publication Date |
|---|---|
| CN205319945U true CN205319945U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520975403.8U Expired - Fee Related CN205319945U (en) | 2015-11-30 | 2015-11-30 | Expanded DC -DC power module mainboard |
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| CN (1) | CN205319945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015937A (en) * | 2017-03-27 | 2017-08-04 | 西安微电子技术研究所 | A kind of low-voltage high speed Perceptual Load Drive Circuit |
| CN113138582A (en) * | 2020-01-20 | 2021-07-20 | Ls电气株式会社 | Power supply device for PLC expansion module |
-
2015
- 2015-11-30 CN CN201520975403.8U patent/CN205319945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015937A (en) * | 2017-03-27 | 2017-08-04 | 西安微电子技术研究所 | A kind of low-voltage high speed Perceptual Load Drive Circuit |
| CN107015937B (en) * | 2017-03-27 | 2019-07-16 | 西安微电子技术研究所 | A kind of low-voltage high speed Perceptual Load Drive Circuit |
| CN113138582A (en) * | 2020-01-20 | 2021-07-20 | Ls电气株式会社 | Power supply device for PLC expansion module |
| CN113138582B (en) * | 2020-01-20 | 2024-04-02 | Ls电气株式会社 | Power supply device for PLC expansion module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Expanded DC -DC power module mainboard Effective date of registration: 20170407 Granted publication date: 20160615 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Prafly Technology Co., Ltd. Registration number: 2017990000282 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20191130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |