US 12,154,710 B2
Package embedded magnetic power transformers for SMPS
Anuj Modi, Tempe, AZ (US); Huong Do, Chandler, AZ (US); William J. Lambert, Tempe, AZ (US); Krishna Bharath, Phoenix, AZ (US); and Harish Krishnamurthy, Hillsboro, OR (US)
Assigned to Intel Corporation, Santa Clara, CA (US)
Filed by Intel Corporation, Santa Clara, CA (US)
Filed on Sep. 18, 2020, as Appl. No. 17/025,537.
Prior Publication US 2022/0093314 A1, Mar. 24, 2022
Int. Cl. H01F 27/24 (2006.01); H01F 30/06 (2006.01)
CPC H01F 27/24 (2013.01) [H01F 30/06 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A power transformer, comprising:
a magnetic core that is a closed loop with an inner dimension and an outer dimension;
a primary winding around the magnetic core, wherein the primary winding has a first number of first turns connected in series around the magnetic core; and
a secondary winding around the magnetic core, wherein the secondary winding has a second number of second turns around the magnetic core, wherein individual ones of the second turns comprise a plurality of secondary segments connected in parallel, wherein the plurality of secondary segments are interleaved with pairs of the first turns.