ISO1212 MOSFET Control

hotreddump

hotreddump

я бы хотел использовать такую микросхему ISO1212 для релизации проекта в котором на вход нее будет приходить импульс от 0 до 28В длительностью 500мс в активном состоянии и 200мс в нуле. дальше эта микросхема должна управлять П канальным мосфетом SSM3K341R,LXHF который получая разрешающий сигнал будет пропускать напряжение с батарейки

flux

Пока схема не создавалась: проект пуст, компоненты и цепи не добавлены, поскольку сейчас недоступны ACUs.
Важно уточнить архитектуру: SSM3K341R,LXHF — N‑канальный MOSFET, а не P‑канальный, поэтому он не подходит как прямой верхний ключ батареи. ISO1212 может распознавать импульсы 0…28 В, но для управления питанием потребуется корректный выходной каскад и проверка сохранения гальванической развязки.
Для продолжения нужны:
  • напряжение батареи и максимальный ток нагрузки;
  • требуемое поведение ключа во время 500 мс / 200 мс;
  • нужна ли реальная гальваническая развязка;
  • подтверждение: использовать SSM3K341R как нижний N‑MOSFET либо подобрать P‑MOSFET/контроллер верхнего ключа.
Верхний ключ 12 В
Нижний ключ SSM3K341R
Требуется развязка
Проверить ток MOSFET
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USB-C WiFi BLE TH Sensor thumbnail
Consumer USB-C powered environmental sensor node with Wi-Fi, BLE 5.x, digital temperature/humidity sensing, protected 5 V input, and a 3.3 V low-power MCU/sensor rail.

Properties

WiFi

USB-C

Consumer IoT

5

V

Bluetooth

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