Patent · US Active

Diagnostic circuit for a battery disconnect unit, method for diagnosing a battery disconnect unit, battery disconnect unit

US12385976B2 · kind B2 · utility

0Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 2023
Grant dateAug 12, 2025
Priority date
Expiry dateJun 19, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01M2220/20
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A diagnostic circuit (60) for diagnosing a battery disconnect unit (100) for disconnecting a battery system (200) from an electrical system (300). The battery disconnect unit (100) includes a first switching element (S1) and a second switching element (S2). A first connection of the first switching element (S1) is connected to a first node point (8), and a second connection of the first switching element (S1) is connected to the first terminal (2). A first connection of the second switching element (S2) is connected to the first node point (8), and a second connection of the second switching element (S2) is connected to the second terminal (4). The diagnostic circuit (60) includes a first voltage divider (61) and a second voltage divider (62).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.