US 12,261,548 B2
Setting a stable operating point and EMI control of an H-bridge output stage
Naoaki Nishimura, Tokyo (JP); and Abhishek Bandyopadhyay, Winchester, MA (US)
Assigned to Analog Devices International Unlimited Company, Limerick (IE)
Filed by Analog Devices International Unlimited Company, Limerick (IE)
Filed on Mar. 23, 2022, as Appl. No. 17/701,996.
Application 17/701,996 is a continuation of application No. PCT/EP2020/076661, filed on Sep. 24, 2020.
Claims priority of provisional application 62/905,375, filed on Sep. 24, 2019.
Prior Publication US 2022/0216804 A1, Jul. 7, 2022
Int. Cl. H02M 7/5387 (2007.01); H04B 3/50 (2006.01)
CPC H02M 7/5387 (2013.01) [H04B 3/50 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A circuit for setting a stable operating point comprising:
a first half bridge having a first output;
a second half bridge having a second output;
a shunt switch in electrical communication with the first and second outputs;
a common mode voltage source coupled between a first node and a reference node;
a first resistor coupled in series with a first switch, wherein the first resistor and the first switch are disposed between the first output and the first node; and
a second resistor coupled in series with a second switch, wherein the second resistor and the second switch are disposed between the second output and the first node, and wherein the first switch and the second switch are coupled, via the first node, to the common mode voltage source.