Car power source apparatus

Details Car power source apparatus Car power source apparatus

2008-07-22

2008-07-22

Nguyen, Matthew V (Department: 2838)

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

C320S116000, C320S119000, C320S125000, C320S134000, C320S136000, C324S434000, C324S429000, C324S430000, C702S073000

Reexamination Certificate

active

11159135

ABSTRACT:
A car power source apparatus is provided with a battery having a plurality of battery modules connected in series on positive and negative sides of a midpoint reference node, and a voltage detection circuit that detects the voltage of one or a plurality of battery modules with respect to the midpoint reference node of the battery. The battery midpoint reference node of the power source apparatus is connected to the voltage detection circuit via a plurality of reference connection lines. Further, one or a plurality of conduction detection circuits connect to the reference connection lines, supply a voltage to each reference connection line, and detect current. The connection status of each reference connection line to the midpoint reference node is determined by this conduction detection circuit.

REFERENCES:
patent: 5917304 (1999-06-01), Bird
patent: 6104164 (2000-08-01), Iino et al.
patent: 6134321 (2000-10-01), Pitsch
patent: 2002-199510 (2002-07-01), None
Datasheet for TLC3548, Texas Instruments, May 2003, p. 1-34.

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