US 12,113,016 B2
Semiconductor package having smart power stage and E-fuse solution
Prabal Upadhyaya, San Jose, CA (US)
Assigned to ALPHA AND OMEGA SEMICONDUCTOR INTERNATIONAL LP, Toronto (CA)
Filed by ALPHA AND OMEGA SEMICONDUCTOR INTERNATIONAL LP, Toronto (CA)
Filed on Sep. 5, 2023, as Appl. No. 18/242,460.
Application 18/242,460 is a division of application No. 17/135,026, filed on Dec. 28, 2020, granted, now 11,798,882.
Prior Publication US 2023/0420362 A1, Dec. 28, 2023
Int. Cl. H01L 23/31 (2006.01); H01L 23/495 (2006.01); H01L 23/50 (2006.01); H01L 23/525 (2006.01); H01L 23/62 (2006.01); H01L 27/088 (2006.01); H02M 3/158 (2006.01)
CPC H01L 23/5256 (2013.01) [H01L 23/31 (2013.01); H01L 23/49503 (2013.01); H01L 23/49562 (2013.01); H01L 23/50 (2013.01); H01L 23/62 (2013.01); H01L 27/088 (2013.01); H02M 3/1582 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A buck converter comprising
a smart power stage (SPS) network comprising
a high side switch;
a low side switch, a drain of the low side switch being coupled to a source of the high side switch via a switch node; and
a gate driver coupled to a gate of the high side switch and a gate of the low side switch; and
an E-fuse solution network comprising
an E-fuse switch, a source of the E-fuse switch coupled to a drain of the high side switch;
an E-fuse integrated circuit (IC) comprising
a comparator comprising
a reference input;
a functional input coupled to a short detection (SD) node; and
an output; and
an SD circuit coupled to the SD node of the E-fuse IC, the SD circuit comprising
a first circuit resistor, a first node of the first circuit resistor being coupled to the switch node;
a second circuit resistor;
a circuit capacitor; and
a circuit diode.