SEMICONDUCTOR PRE-CHARGER MODULE IN BATTERY SYSTEM

    公开(公告)号:US20230231404A1

    公开(公告)日:2023-07-20

    申请号:US18153155

    申请日:2023-01-11

    IPC分类号: H02J7/00

    摘要: There is provided a battery system including: a controller; a main switch controlled by the controller to supply or cut off a voltage of a battery to a load; and a semiconductor pre-charger module including a semiconductor switch connected in parallel with the main switch and configured to supply or cut off the voltage of the battery to the load according to a control signal output from the controller, and a semiconductor switch driver configured to receive the control signal from the controller and output a single pulse signal for driving the semiconductor switch to turn on and off the semiconductor switch. Here, the semiconductor switch driver of the semiconductor pre-charger module includes an isolation element configured to electrically isolate the controller and the battery voltage, and the semiconductor switch of the semiconductor pre-charger module is a MOS-controlled thyristor (MCT).

    APPARATUS FOR ELECTROSTATIC DISCHARGE TEST

    公开(公告)号:US20220299554A1

    公开(公告)日:2022-09-22

    申请号:US17510856

    申请日:2021-10-26

    IPC分类号: G01R31/00

    摘要: The apparatus for ESD test includes a micro-controller unit client, a low voltage supply configured to output a low voltage on the basis of control by the micro-controller unit, a high voltage supply configured to output a high voltage on the basis of control by the micro-controller unit, and an ESD generator configured to generate an ESD voltage for an ESD test of a device under test (DUT) by using the low voltage and the high voltage, on the basis of control by the micro-controller unit. The ESD generator is a semiconductor integrated circuit module where a charging semiconductor switch, a discharging semiconductor switch, a switch driving block controlling a switching operation of each of the charging semiconductor switch and the discharging semiconductor switch, and a plurality of passive elements connected to the charging semiconductor switch and the discharging semiconductor switch are implemented as package, for generating the ESD voltage.