Analysis of microinductor performance in a 20-100 MHz DC/DC converter

IEEE Transactions on Power Electronics

Volumn 24, Issue 9, 2009, Pages 2212-2218

  Meere, Ronan ^a   O'Donnell, Terence ^a   Bergveld, Henk Jan ^b   Wang, Ningning ^a   O'Mathuna, Séan Cian ^a  

^a UNIVERSITY COLLEGE CORK   (Ireland)

^b NXP SEMICONDUCTORS   (Netherlands)

Author keywords

DC DC conversion; High frequency; Low profile; Magnetic core inductors

Indexed keywords

AIR CORE; DC/DC CONVERSION; FLAT FREQUENCY RESPONSE; HIGH FREQUENCY; HIGH FREQUENCY HF; INPUT VOLTAGES; LOW POWER; LOW PROFILE; MAGNETIC-CORE INDUCTORS; MAXIMUM EFFICIENCY; MICRO INDUCTORS; MICROFABRICATED; OUTPUT POWER; OUTPUT VOLTAGES; POWER-LOSSES;

FREQUENCY RESPONSE;

EID: 70049102325     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2009.2021942     Document Type: Article

References (15)

1. G. Schrom, P. Hazuchii, J. Hahn, D. S. Gardner. B. A. Bloechel, G. Dermer, S. G. Narendra, and T. Karnik, "A 480-MHz, multi-phase interleaved buck DC-DC converter with hysteretic control," in Proc. IEEE Power Electron. Spec. Conf. (PESC'04), Aachen, Germany, Jun. 20-25, pp. 4702-4707.
2. 2 using air-core inductors," in Proc. IEEE Appl. Power Electron. Conf. (APEC'07), Anaheim, CA, Feb. 25-Mar. 1, pp. 727-730.
3. H. J. Bergveld, R. Karadi, and K. Nowak, "An inductive down converter system-in-package for integrated power management in battery-power applications," in Proc. IEEE Power Electron. Spec. Conf. (PESC'08) Rhodes, Greece, Jun. 15-19, pp. 3335-3341.
4. N. Nakazawa, M. Edo, Y. Katayama, M. Gekinozu, S. Sugahara, Z. Hayashi, K. Kuroki, E. Yonezawa, and K. Matsuzaki, "Micro DC/DC converter that integrates planar inductor on power IC," IEEE Trans. Magn., vol. 36, no. 5, pp. 3518-3520, Sep. 2000.
5. T. O'Donnell, N. Wang, R. Meere, F. Rhen, S. Roy, D. O'Sullivan, and C. O'Mathuna, "Microfabricated inductors for 20 MHz Dc-Dc converters," in Proc. IEEE Appl. Power Electron. Conf. (APEC'08 , Austin, TX, Feb. 24-28, pp. 689-693.
6. T. Sato, K. Yamasawa, H. Tomita, T. Inoue, and T. Mizoguchi, "Planar power inductor using FeCoBN magnetic film with high saturation magnetization and high electrical resistivity," in Proc. IEE Int. Power Electron. Conf. (IPEC'00), Tokyo, Japan, Apr. 3-7, pp. 303-308.
7. C. S. Kim, S. Bae, H. J. Kim, S. E. Nam, and H. J. Kim, "Fabrication of high-frequency DC-DC converter using Ti/Fe TaN film inductor," IEEE Trans. Magn., vol. 37, no. 4, pp. 2894-2896, Jul. 2001.
8. K. H. Kim, J. Kim, H. J. Kim, S. H. Han, and H. J. Kim, "A megahertz switching DC/DC converter using FeBN thin film inductor," IEEE Trans. Magn., vol. 38, no. 5, pp. 3162-3164, Sep. 2002.
9. J. W. Park and M. G. Allen, "Ultralow-profile micromachined power inductors with highly laminated Ni/Fe cores: Application to low-megahertz DC-DC converters," IEEE Trans. Magn., vol. 39, no. 5, pp. 3184-3186, Sep. 2003.
10. I. Kowase, T. Sato, K. Yamasawa, and Y. Miura, "A planar inductor using Mn-Zn ferrite/polyimide composite thick film for low-voltage and large-current DC-DC converter," IEEE Trans. Magn., vol. 41, no. 10, pp. 3991-3993, Oct. 2005.
11. S. Prabhakaran, Y. Sun, P. Dhagat, W. Li, and C. R. Sullivan, "Microfabricated V-groove power inductors for high-current low-voltage fast-transient DC-DC converters," in Proc. IEEE Power Electron. Spec. Conf. (PESC'05), Recife, Brazil, Mar. 6-10, pp. 1513-1519.
12. N. Wang, T. O'Donnell, S. Roy, P. McCloskey, and C. O'Mathuna, "Micro-inductors integrated on silicon for power supply on chip," J. Magn. Magn. Mater., vol. 316, no. 2, pp. e233-e237, Sep. 2007.
13. Coilcraft. (2007). Coilcraft Spice Model - 0402AF, Document 558-1 [Online]. Available: http://www.coilcraft.com.
14. Coilcraft. (2002). Coilcraft Spice Model - 0805HS, Document 158-1 HOnline]. Available: http: http://www.coilcraft.com.
15. M. Brunet, T. O'Donnell, A. M. Connell, P. McCloskey, and S. C. O'Mathuna, "Electrochemical process for the lamination of magnetic cores in thin-film magnetic components," J. Microelectromech. Syst. vol. 15, no. 1, pp. 94-100, Feb. 2006.