CN105653765A - Four-side layout method of multi-phase VRM (Voltage Regulator Module) power circuit - Google Patents
Four-side layout method of multi-phase VRM (Voltage Regulator Module) power circuit Download PDFInfo
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- CN105653765A CN105653765A CN201510982631.2A CN201510982631A CN105653765A CN 105653765 A CN105653765 A CN 105653765A CN 201510982631 A CN201510982631 A CN 201510982631A CN 105653765 A CN105653765 A CN 105653765A
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- power
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- vrm
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Architecture (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention provides a four-side layout method of a multi-phase VRM (Voltage Regulator Module) power circuit. The four-side layout method comprises the following steps: arranging a CPU (Central Processing Unit) chip onto a circuit board; arranging one or a plurality of power switching chips onto the circuit board on each side of the CPU chip; electrically connecting the power output end of the power switching chip to a power; and electrically connecting the power output end of the power switching chip to the rectangular CPU chip and/ or other chips on the circuit board.
Description
Technical field
The present invention relates to field of computer technology, it is more particularly related to the four sides layout method of a kind of heterogeneous VRM power circuit.
Background technology
For tackling the power supply challenge of modern processors low-voltage and high-current, mainboard core is powered and is adopted heterogeneous DCDC (DC-to-dc) circuit realiration. Traditional heterogeneous VRM (VRM Voltage Regulator Module) circuit adopts as shown in Figure 1 monolateral or L-type layout structure as shown in Figure 2 mostly.
Specifically, in the monolateral layout structure that the traditional heterogeneous VRM circuit shown in Fig. 1 adopts mostly, be arranged side by side row's power conversion chip in the side of CPU (central processing unit). In the L-type layout structure that traditional heterogeneous VRM circuit shown in Fig. 2 adopts mostly, arrange multiple power conversion chips of L-type arrangement in both sides adjacent for CPU.
But, the power source performance that above two layout structure obtains is unsatisfactory in some applications, thus intentionally getting the technical scheme that can improve power source performance.
Summary of the invention
The technical problem to be solved is for there is drawbacks described above in prior art, it is provided that the four sides layout method of a kind of heterogeneous VRM power circuit that can improve power source performance.
In order to realize above-mentioned technical purpose, according to the present invention, it is provided that the four sides layout method of a kind of heterogeneous VRM power circuit, including:
First step: cpu chip is arranged on circuit board;
Second step: one or more power conversion chips are arranged on described circuit board in every side of cpu chip;
Third step: the power output end of power conversion chip is electrically connected to power supply;
4th step: the power output end of power conversion chip is electrically connected to other chip on rectangle cpu chip and/or circuit board.
Preferably, cpu chip is the cpu chip of rectangle.
Preferably, circuit board is printing board PCB.
Preferably, electrical connection is to be realized by the wiring on circuit board.
Preferably, the power conversion chip of every side of cpu chip is evenly arranged.
The present invention, by improving the modes of emplacement of power conversion chip, changes into and places multiple power conversion chips in CPU surrounding layout, it is possible to effectively reduce the power output end distance to cpu load end, reduces line drop and power consumption penalty, it is achieved higher power source performance.
Accompanying drawing explanation
In conjunction with accompanying drawing, and by with reference to detailed description below, it will more easily the present invention is had more complete understanding and its adjoint advantage and feature is more easily understood, wherein:
Fig. 1 schematically shows the monolateral layout structure that traditional heterogeneous VRM circuit adopts mostly.
Fig. 2 schematically shows the L-type layout structure that traditional heterogeneous VRM circuit adopts mostly.
Fig. 3 schematically shows the schematic diagram of the four sides layout method of heterogeneous according to the preferred embodiment of the invention VRM power circuit.
Fig. 4 schematically shows the flow chart of the four sides layout method of heterogeneous according to the preferred embodiment of the invention VRM power circuit.
It should be noted that accompanying drawing is used for illustrating the present invention, and the unrestricted present invention. Note, represent that the accompanying drawing of structure is likely to be not necessarily drawn to scale. Further, in accompanying drawing, same or like element indicates same or like label.
Detailed description of the invention
In order to make present disclosure clearly with understandable, below in conjunction with specific embodiments and the drawings, present disclosure is described in detail.
Fig. 3 schematically shows the schematic diagram of the four sides layout method of heterogeneous according to the preferred embodiment of the invention VRM power circuit, and Fig. 4 schematically shows the flow chart of the four sides layout method of heterogeneous according to the preferred embodiment of the invention VRM power circuit.
As shown in Figure 3 and Figure 4, the four sides layout method of heterogeneous according to the preferred embodiment of the invention VRM power circuit includes:
First step S1: cpu chip is arranged on circuit board (such as printing board PCB); Generally, cpu chip is the cpu chip of rectangle.
Second step S2: one or more power conversion chips are arranged on described circuit board in every side of cpu chip; Wherein, the power conversion chip of every side of cpu chip is evenly arranged.
Third step S3: the power output end of power conversion chip is electrically connected to power supply; Certainly, this electrical connection is to be realized by the wiring on circuit board.
4th step S4: the power output end of power conversion chip is electrically connected to other chip on rectangle cpu chip and/or circuit board. Certainly, this electrical connection is also realized by the wiring on circuit board.
The present invention, by improving the modes of emplacement of power conversion chip, changes into and places multiple power conversion chips in CPU surrounding layout, it is possible to effectively reduce the power output end distance to cpu load end, reduces line drop and power consumption penalty, it is achieved higher power source performance.
In addition, it should be noted that, unless stated otherwise or point out, otherwise the description such as the term in description " first ", " second ", " the 3rd " is used only for each assembly in differentiation description, element, step etc., rather than is used for logical relation or the ordering relation etc. that represent between each assembly, element, step.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention. For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations. Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.
Claims (5)
1. the four sides layout method of a heterogeneous VRM power circuit, it is characterised in that including:
First step: cpu chip is arranged on circuit board;
Second step: one or more power conversion chips are arranged on described circuit board in every side of cpu chip;
Third step: the power output end of power conversion chip is electrically connected to power supply;
4th step: the power output end of power conversion chip is electrically connected to other chip on rectangle cpu chip and/or circuit board.
2. the four sides layout method of heterogeneous VRM power circuit according to claim 1, it is characterised in that cpu chip is the cpu chip of rectangle.
3. the four sides layout method of heterogeneous VRM power circuit according to claim 1 and 2, it is characterised in that circuit board is printing board PCB.
4. the four sides layout method of heterogeneous VRM power circuit according to claim 1 and 2, it is characterised in that electrical connection is to be realized by the wiring on circuit board.
5. the four sides layout method of heterogeneous VRM power circuit according to claim 1 and 2, it is characterised in that the power conversion chip of every side of cpu chip is evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982631.2A CN105653765A (en) | 2015-12-23 | 2015-12-23 | Four-side layout method of multi-phase VRM (Voltage Regulator Module) power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982631.2A CN105653765A (en) | 2015-12-23 | 2015-12-23 | Four-side layout method of multi-phase VRM (Voltage Regulator Module) power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105653765A true CN105653765A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510982631.2A Pending CN105653765A (en) | 2015-12-23 | 2015-12-23 | Four-side layout method of multi-phase VRM (Voltage Regulator Module) power circuit |
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| CN (1) | CN105653765A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484344A (en) * | 2017-08-30 | 2017-12-15 | 中国航空无线电电子研究所 | PCB layout methods based on acp chip PIN |
| CN110112905A (en) * | 2018-02-01 | 2019-08-09 | 台达电子企业管理（上海）有限公司 | Main chip on board power supply system |
| CN112130654A (en) * | 2020-11-23 | 2020-12-25 | 常州微亿智造科技有限公司 | Low-voltage large-current multiphase power supply system for graphic processor |
| CN113946199A (en) * | 2020-07-15 | 2022-01-18 | 台达电子企业管理（上海）有限公司 | Power supply system |
| US11271396B2 (en) | 2018-02-01 | 2022-03-08 | Delta Electronics (Shanghai) Co., Ltd. | System of providing power to chip on mainboard |
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| CN1522397A (en) * | 2000-06-30 | 2004-08-18 | 英特尔公司 | Multiple phase voltage regulator system |
| US20040257781A1 (en) * | 2003-06-23 | 2004-12-23 | Newisys, Inc. | Mounting power handling components on printed circuit boards near high density routing channels |
| CN1902751A (en) * | 2003-11-04 | 2007-01-24 | 英特尔公司 | Detachable on package voltage regulation module |
| US20090129027A1 (en) * | 2007-11-20 | 2009-05-21 | International Business Machines Corporation | integrated non-isolated vrm and microprocessor assembly |
| CN101662887A (en) * | 2008-08-29 | 2010-03-03 | 鸿富锦精密工业（深圳）有限公司 | Printing circuit board and method for optimizing position of induction point thereof |
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2015
- 2015-12-23 CN CN201510982631.2A patent/CN105653765A/en active Pending
Patent Citations (5)
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| CN1522397A (en) * | 2000-06-30 | 2004-08-18 | 英特尔公司 | Multiple phase voltage regulator system |
| US20040257781A1 (en) * | 2003-06-23 | 2004-12-23 | Newisys, Inc. | Mounting power handling components on printed circuit boards near high density routing channels |
| CN1902751A (en) * | 2003-11-04 | 2007-01-24 | 英特尔公司 | Detachable on package voltage regulation module |
| US20090129027A1 (en) * | 2007-11-20 | 2009-05-21 | International Business Machines Corporation | integrated non-isolated vrm and microprocessor assembly |
| CN101662887A (en) * | 2008-08-29 | 2010-03-03 | 鸿富锦精密工业（深圳）有限公司 | Printing circuit board and method for optimizing position of induction point thereof |
Non-Patent Citations (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484344A (en) * | 2017-08-30 | 2017-12-15 | 中国航空无线电电子研究所 | PCB layout methods based on acp chip PIN |
| CN107484344B (en) * | 2017-08-30 | 2019-10-01 | 中国航空无线电电子研究所 | PCB layout method based on core chips PIN foot |
| CN110112905A (en) * | 2018-02-01 | 2019-08-09 | 台达电子企业管理（上海）有限公司 | Main chip on board power supply system |
| US10845853B2 (en) | 2018-02-01 | 2020-11-24 | Delta Electronics (Shanghai) Co., Ltd | System of providing power to chip on mainboard |
| US11271396B2 (en) | 2018-02-01 | 2022-03-08 | Delta Electronics (Shanghai) Co., Ltd. | System of providing power to chip on mainboard |
| US11966264B2 (en) | 2018-02-01 | 2024-04-23 | Delta Electronics (Shanghai) Co., Ltd | System of providing power to chip on mainboard |
| CN113946199A (en) * | 2020-07-15 | 2022-01-18 | 台达电子企业管理（上海）有限公司 | Power supply system |
| CN112130654A (en) * | 2020-11-23 | 2020-12-25 | 常州微亿智造科技有限公司 | Low-voltage large-current multiphase power supply system for graphic processor |
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Application publication date: 20160608 |
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