DETECTION AND PROTECTION CIRCUIT, POWER SUPPLY CIRCUIT, POWER SUPPLY METHOD OF ACTIVE DEVICE

    公开(公告)号:US20210373587A1

    公开(公告)日:2021-12-02

    申请号:US17285907

    申请日:2019-11-13

    Inventor: Qian Yang Jijie Shi

    Abstract: A detection and protection circuit includes: a comparator, six resistors, and two diodes. A first resistor is connected to a second resistor. The second resistor (30) is grounded. A positive input end, a negative input end, a power supply end, a ground end, and an output end of the comparator are connected to a third resistor, a fourth resistor, a power management device power supply pin, the ground, and a main controller. The other end of the third resistor is connected between the first resistor and the second resistor. The other end of the fourth resistor is connected to the first resistor. A first power supply is connected between the fourth resistor and the first resistor. A fifth resistor is connected to a sixth resistor. The sixth resistor (70) is grounded. The other end of the fifth resistor is connected to the main controller.

    WAKE-UP CIRCUIT AND WAKE-UP METHOD

    公开(公告)号:US20220231688A1

    公开(公告)日:2022-07-21

    申请号:US17614387

    申请日:2020-05-09

    Abstract: A wake-up circuit, a wake-up method and a non-transitory computer-readable storage medium are disclosed. The wake-up circuit includes a wake-up module (11) and a main control module (12). The wake-up module (11) is connected to a wake-up source and is configured to detect a wake-up signal sent by the wake-up source, and to forward the wake-up signal to the main control module (12), one or more wake-up sources being provided. The main control module (12) is connected to the wake-up module (11) and is configured to receive the forwarded wake-up signal, one main control modules (12) being provided.

    Detection circuit for instantaneous voltage drop and on-board diagnostic system

    公开(公告)号:US11926271B2

    公开(公告)日:2024-03-12

    申请号:US17624432

    申请日:2020-04-13

    CPC classification number: B60R16/0232 G01R19/16542 G01R31/006

    Abstract: A detection circuit for instantaneous voltage drop and an on-board diagnostic system. The detection circuit comprises two RC circuits, each of the RC circuits comprises a first resistor, a second resistor, and an energy storage capacitor; a first end of the first resistor is used for receiving a to-be-detected voltage, and a second end thereof is connected to a first end of the second resistor; the energy storage capacitor is connected in parallel with the second resistor; the first end of the second resistor forms an output end of the RC circuit, and the output end is connected to an input end of the comparator; an output end of the comparator is connected to the determination unit; in the two RC circuits, the resistance ratios of the second resistors to the first resistors are different, the capacitances of the energy storage capacitors are different.

    Wake-up circuit and wake-up method

    公开(公告)号:US11848669B2

    公开(公告)日:2023-12-19

    申请号:US17614387

    申请日:2020-05-09

    CPC classification number: H03K19/17716 H03K5/14 H03K19/17744 H03K19/21

    Abstract: A wake-up circuit, a wake-up method and a non-transitory computer-readable storage medium are disclosed. The wake-up circuit includes a wake-up module (11) and a main control module (12). The wake-up module (11) is connected to a wake-up source and is configured to detect a wake-up signal sent by the wake-up source, and to forward the wake-up signal to the main control module (12), one or more wake-up sources being provided. The main control module (12) is connected to the wake-up module (11) and is configured to receive the forwarded wake-up signal, one main control modules (12) being provided.

Patent Agency Ranking