US 11,811,026 B2
Supplying power to a transmitter using a coin cell battery
Assaf Ganor, Herzelia (IL); Tzahi Shalit, Herzelia (IL); and Levi Schultz, Herzelia (IL)
Assigned to DSP Group Ltd., Herzliya (IL)
Filed by DSP Group Ltd., Herzliya (IL)
Filed on Mar. 4, 2020, as Appl. No. 16/808,422.
Claims priority of provisional application 62/823,667, filed on Mar. 26, 2019.
Prior Publication US 2020/0313246 A1, Oct. 1, 2020
Int. Cl. H01M 10/42 (2006.01); H01M 10/04 (2006.01); H02J 7/34 (2006.01)
CPC H01M 10/4264 (2013.01) [H01M 10/0436 (2013.01); H02J 7/345 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for supplying power to a transmitter, the method comprising:
performing, during a charging period, a charging process for charging an external capacitor to a charged voltage that exceeds a voltage of a coin cell, wherein the charging process comprises iterations of (a) charging a charge pump capacitor by the coin cell, and (b) discharging the charge pump capacitor to charge the external capacitor; and
during a transmission period, feeding power, under control of a regulator, from the external capacitor to the transmitter;
wherein a capacitance of the charge pump capacitor is less than a capacitance of the external capacitor, and wherein a duration of the charging period exceeds a duration of the transmission period.