CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE
First Claim
1. A charge/discharge control circuit for controlling charge/discharge of a secondary battery,the charge/discharge control circuit comprising:
- a switch circuit for controlling a current that flows through the charge/discharge control circuit;
a control circuit for controlling an operation of the switch circuit; and
an input terminal to which a signal for controlling an operation of the charge/discharge control circuit is input from outside.
5 Assignments
0 Petitions
Accused Products
Abstract
To solve a problem in that, even after a charge inhibition signal is input from an input terminal and a charge control transistor is turned OFF, if a load is connected between external terminals (EB+, EB−), a discharge current flows, and to solve another problem of power consumption of a charge/discharge control circuit (22), provided is a charge/discharge control circuit for controlling charge/discharge of a secondary battery, the charge/discharge control circuit including: a switch circuit for controlling a current that flows through the charge/discharge control circuit; a control circuit for controlling an operation of the switch circuit; and an input terminal to which a signal for controlling an operation of the charge/discharge control circuit is input from outside. In this way, when a signal is input to the input terminal from outside, the discharge current is interrupted, thereby reducing current consumption of the charge/discharge control circuit.
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Citations
4 Claims
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1. A charge/discharge control circuit for controlling charge/discharge of a secondary battery,
the charge/discharge control circuit comprising: -
a switch circuit for controlling a current that flows through the charge/discharge control circuit; a control circuit for controlling an operation of the switch circuit; and an input terminal to which a signal for controlling an operation of the charge/discharge control circuit is input from outside. - View Dependent Claims (2, 3, 4)
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Specification