US 12,132,344 B2
Power system design and control technology
Che-Jung Hsu, Taoyuan (TW); Cheng-Huei Lin, Taoyuan (TW); Yen-Teh Shih, Taoyuan (TW); Yu-Kai Chen, Taoyuan (TW); and Min-Min Wu, Taoyuan (TW)
Assigned to CHUNG-HSIN ELECTRIC &MACHINERY MFG. CORP., Taoyuan (TW)
Filed by CHUNG-HSIN ELECTRIC & MACHINERY MFG. CORP., Taoyuan (TW)
Filed on Sep. 14, 2022, as Appl. No. 17/945,005.
Prior Publication US 2023/0387712 A1, Nov. 30, 2023
Int. Cl. H02J 7/34 (2006.01); H01M 8/04537 (2016.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01M 10/46 (2006.01); H01M 10/48 (2006.01); H01M 16/00 (2006.01); H02J 7/00 (2006.01)
CPC H02J 7/34 (2013.01) [H01M 8/04552 (2013.01); H01M 10/0525 (2013.01); H01M 10/425 (2013.01); H01M 10/46 (2013.01); H01M 10/482 (2013.01); H01M 10/486 (2013.01); H01M 16/006 (2013.01); H02J 7/00308 (2020.01); H02J 7/00309 (2020.01); H02J 7/0047 (2013.01); H02J 7/0063 (2013.01); H02J 7/00714 (2020.01); H02J 7/007182 (2020.01); H02J 7/007192 (2020.01); H02J 2300/30 (2020.01)] 17 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a fuel cell, providing a fuel voltage;
a first switch, providing the fuel voltage to a first node according to a first control signal;
a rechargeable battery, providing a battery voltage;
a second switch, coupled to the first node, wherein the second switch charges the rechargeable battery with the fuel voltage according to a second control signal;
a relay, providing a voltage of the first node to a load according to a third control signal;
a first current detector, coupled between the second switch and the rechargeable battery and configured to detect a battery current of the rechargeable battery to generate a first current signal;
a second current detector, coupled between the first node and the relay and configured to detect a load current flowing to the load to generate a second current signal;
a first voltage detection circuit, configured to detect the fuel voltage to generate a first voltage detection signal;
a second voltage detection circuit, configured to detect the battery voltage to generate a second voltage detection signal;
a driving circuit, generating the first control signal, the second control signal, and the third control signal according to a driving signal; and
a controller, generating the driving signal according to the first current signal, the second current signal, the first voltage detection signal, and the second voltage detection signal.