Apparatus for monitoring the voltage of a battery pack having a plurality of battery cells connected in series
AssigneeNEC Electronics Corporation
InventorManabu Miyamoto
Life of this patent
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Abstract
A battery voltage monitoring apparatus according to the present invention for monitoring a voltage of a battery pack having a plurality of battery cells connected in series includes a first terminal connected supplied with a highest battery voltage of the battery cell, and a voltage clamp circuit for clamping a voltage of the first terminal not to decrease below a specified value.
Claims13
A battery voltage monitoring apparatus for monitoring a voltage of a battery pack having a plurality of battery cells connected in series, the battery voltage monitoring apparatus comprising:
- a voltage sensor and a voltage sensor module having a first and a second input terminals connected to the voltage sensor;
- a first terminal connected with the first input terminal and supplied with a voltage output from a highest battery cell located at a top of the plurality of battery cells connected in series;
- a second terminal connected with the second input terminal and supplied with a voltage output from a battery cell located at a second top following the highest battery cell;
- and
- a voltage clamp circuit for clamping a voltage between the first and the second terminals not to be over a specified value.
A battery voltage monitoring apparatus for monitoring a voltage of a battery pack having a plurality of battery cells connected in series, the battery voltage monitoring apparatus comprising:
- a first terminal supplied with a highest voltage of the battery pack;
- and
- a voltage clamp circuit for maintaining a voltage of the first terminal not to decrease below a specified voltage.
Dependencies are inferred from the claim text.