Modeling of power delivery network pdn jae young choi and madhavan swaminathan
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Modeling of Power Delivery Network (PDN) Jae Young Choi, and Madhavan Swaminathan PowerPoint PPT Presentation


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Objectives Computationally efficient and accurate modeling method for package PDN Automated decoupling capacitor selection and placement Power/Signal co-simulation. Accomplishments Developed multilayered-FEM (MFEM) Computationally efficient (speed, memory)

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Modeling of Power Delivery Network (PDN) Jae Young Choi, and Madhavan Swaminathan

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Objectives

Computationally efficient and accurate modeling method for package PDN

Automated decoupling capacitor selection and placement

Power/Signal co-simulation

Accomplishments

Developed multilayered-FEM (MFEM)

Computationally efficient (speed, memory)

Multi-dimensional problems (non-uniform mesh)

Multi-layer structures

Automated decoupling capacitor problems

Combined genetic algorithm and MFEM

Customized the algorithm for decap problems

Developed a new method

Multi-layer triangular element method (MTEM)

SPICE compatible (Physics-based equivalent ckt)

Very sparse system matrix (compared to MFEM)

Modeling of Power Delivery Network (PDN) Jae Young Choi, and Madhavan Swaminathan

40

20

0

-20

4

50

k

Z11 (dB)

40

MTEM

MFDM

MFEM

3

i

30

Z11 (dB)

N

0 1 2 3 4 5

20

2

CST

Recent results

Target Impedance

Future work

  • Incorporation of signal interconnects to PDN model for signal-power co-simulations

10

  • Decap Optimizer

After decap opt.

0 1 2 3 4 5

1

Frequency (GHz)

  • Frequency domain analysis of signal interconnects

  • MTEM

  • Creation of dual-graph mesh

  • Multi-layer structures

  • SPICE compatibility

  • Material characterization for high frequencies


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