US 11,946,971 B2
Power circuit and testing device
Wenxin Li, Chongqing (CN)
Assigned to CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., Chongqing (CN); and HKC CORPORATION LIMITED, Shenzhen (CN)
Filed by CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., Chongqing (CN); and HKC CORPORATION LIMITED, Shenzhen (CN)
Filed on Sep. 27, 2020, as Appl. No. 17/033,823.
Application 17/033,823 is a continuation of application No. PCT/CN2018/121640, filed on Dec. 18, 2018.
Claims priority of application No. 201811070995.3 (CN), filed on Sep. 13, 2018.
Prior Publication US 2021/0011083 A1, Jan. 14, 2021
Int. Cl. G01R 31/40 (2020.01); G01R 31/317 (2006.01); H03K 17/14 (2006.01); H03K 17/687 (2006.01); H03K 17/74 (2006.01)
CPC G01R 31/31721 (2013.01) [G01R 31/40 (2013.01); H03K 17/145 (2013.01); H03K 17/687 (2013.01); H03K 17/74 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A power circuit, applied to an electronic device, wherein the power circuit comprises:
a first voltage output circuit, configured to provide a normal operating voltage to the electronic device;
a second voltage output circuit, configured to provide an aging voltage to the electronic device, the aging voltage being greater than the normal operating voltage;
a controller, configured to store a preset failure rate curve of the electronic device; and
a switch control circuit, configured to switch on/off based on control of the controller according to the preset failure rate curve of the electronic device, to control the first voltage output circuit or the second voltage output circuit to provide a voltage to the electronic device; wherein
the switch control circuit comprises a first input terminal, a second input terminal, a controlled terminal, and an output terminal, an output terminal of the first voltage output circuit is connected with the first input terminal of the switch control circuit, an output terminal of the second voltage output circuit is connected with the second input terminal of the switch control circuit, the controlled terminal of the switch control circuit is connected with an output terminal of the controller, and the output terminal of the switch control circuit is connected with an input terminal of the electronic device;
the switch control circuit comprises a first switch tube defined with a first connection terminal, a second connection terminal, and a controlled terminal, the controlled terminal of the first switch tube is the controlled terminal of the switch control circuit, the first connection terminal of the first switch tube is the first input terminal of the switch control circuit, and the second connection terminal of the first switch tube is the second input terminal of the switch control circuit, and is also the output terminal of the switch control circuit.