US 12,267,015 B2
Driver circuit and method for providing a pulse
Ann Russell, San Jose, CA (US); Joseph Gasiewicz, Commerce, MI (US); Syedhossein Mousavian, Ottawa (CA); and Somayeh Abnavi, Ottawa (CA)
Assigned to ams-OSRAM International GmbH, Regensburg (DE)
Appl. No. 18/253,598
Filed by ams-OSRAM International GmbH, Regensburg (DE)
PCT Filed Nov. 20, 2020, PCT No. PCT/US2020/061409
§ 371(c)(1), (2) Date May 19, 2023,
PCT Pub. No. WO2022/108590, PCT Pub. Date May 27, 2022.
Prior Publication US 2024/0007101 A1, Jan. 4, 2024
Int. Cl. H03K 17/687 (2006.01); G01S 7/484 (2006.01); H01S 5/042 (2006.01); H01S 5/40 (2006.01); H02M 3/158 (2006.01); H03K 17/16 (2006.01); H05B 45/325 (2020.01)
CPC H02M 3/158 (2013.01) [G01S 7/484 (2013.01); H01S 5/0428 (2013.01); H01S 5/4025 (2013.01); H03K 17/162 (2013.01); H03K 17/687 (2013.01); H05B 45/325 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A driver circuit comprising:
a first inductor comprising a first terminal coupled to a first voltage terminal;
a first switch comprising a first terminal and a second terminal, wherein the first terminal of the first switch is coupled to a second terminal of the first inductor via a first node and the second terminal of the first switch is coupled to a second voltage terminal;
a diode comprising a first terminal coupled to the first node;
an output terminal;
a first capacitor comprising a first electrode coupled to a second terminal of the diode and a second electrode coupled to the output terminal; and
a control circuit coupled to a control terminal of the first switch and configured to set the first switch in a conducting state during a control duration which depends on at least one signal of a pulse-width-modulated signal and a trigger signal.