Power-on startup detection circuit and electronic equipment

• Main Authors: ZHU JIANXUN, LANG HUAMIN
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: BASIC ELECTRONIC CIRCUITRY; CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS; PULSE TECHNIQUE

The utility model relates to a power-on startup detection circuit and electronic equipment. The power-on startup detection circuit comprises a power-on input end, a charging and discharging circuit, a voltage maintaining circuit and a signal output end. The charging and discharging circuit is connected with the power-on input end; the voltage maintaining circuit is connected with the charging and discharging circuit; and the signal output end is connected with the charging and discharging circuit. By introducing the voltage maintaining circuit, the performance of the driving circuit is greatly improved, and the effectiveness and the consistency of the discharging function of the charging and discharging circuit are improved. 本申请涉及一种上电开机检测电路及电子设备。所述上电开机检测电路包括上电输入端、充放电电路、电压维持电路及信号输出端；所述充放电电路连接所述上电输入端；所述电压维持电路连接所述充放电电路；所述信号输出端连接所述充放电电路。通过引入所述电压维持电路大大提高了驱动电路的性能，使所述充放电电路的放电功能的有效性和一致性得到提高。