Power reset circuit

A power reset circuit is provided. The power reset circuit has a first terminal coupled to a first power storage element and a second terminal coupled to a second power storage element and a load andincludes a discharging control circuit and a switching control circuit. The discharging control circu...

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1. Verfasser: KUO HSINIH
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:A power reset circuit is provided. The power reset circuit has a first terminal coupled to a first power storage element and a second terminal coupled to a second power storage element and a load andincludes a discharging control circuit and a switching control circuit. The discharging control circuit induces a short circuit between the second terminal and the ground terminal when a supply voltage at the second terminal is lower than a reset voltage to provide a first discharging path. The switching control circuit provides a conduction path between the first and second terminals when the supply voltage is higher than an end-of-discharging voltage lower than the reset voltage. During a period when the supply voltage is lower than the end-of-discharging voltage, the switching control circuit cuts off the conduction path and provides a second discharging path between the first terminal and the discharging control circuit. 一种电源重置电路,其具有耦接第一储能元件的第一端及耦接第二储能元件与负载的第二端。电源重置电路包括放电控制电路及切换控制电路。放电控制电路耦接第二端与接地端,且在第二端上的供应电压