A power holding circuit device adapted for a vehicle microcontroller unit (MCU), a car battery, and an ignition switch (IGN) comprises a metal-oxide-semiconductor field-effect transistor (MOSFET) switch unit, wherein the MOSFET switch unit is connected to the car battery; a first bipolar junction transistor (BJT), wherein the first BJT is connected to the MOSFET switch unit and the ignition switch; and a second bipolar junction transistor (BJT), wherein the second BJT is connected to the MOSFET switch unit and the vehicle MCU.
POWER HOLDING CIRCUIT DEVICE
2018-06-28
Patent
Electronic Resource
English
IPC: | H03K PULSE TECHNIQUE , Impulstechnik / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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