Semiconductor device, battery monitoring system, and method of monitoring battery
First Claim
Patent Images
1. A semiconductor device, comprising:
- a voltage generation circuit configured to generate a voltage having a specific voltage value;
a first terminal connected to the voltage generation circuit and configured to output the voltage generated with the voltage generation circuit;
a second terminal connected to the first terminal through a connecting point between a temperature sensitive element and a resistor of a circuit for detecting a temperature of a subject, in which the temperature sensitive element is connected to the resistor in series, said second terminal being configured to receive a temperature sensitive voltage as a voltage at the connecting point;
an analog/digital conversion circuit configured to convert the specific voltage value and a voltage value of the temperature sensitive voltage that are analog values to digital values, respectively, so that the specific voltage value and the voltage value of the temperature sensitive voltage are measured;
a storage unit configured to store the specific voltage value and the voltage value of the temperature sensitive voltage thus measured with the analog/digital conversion circuit so that an external semiconductor device calculates the temperature of the subject; and
a third terminal configured to transmit the specific voltage value and the voltage value of the temperature sensitive voltage thus stored in the storage unit to the external semiconductor device.
1 Assignment
0 Petitions
Accused Products
Abstract
A semiconductor device includes a voltage generation circuit configured to generate a specific voltage; a first terminal configured to output the specific voltage; a second terminal configured to receive a temperature sensitive voltage; an analog/digital conversion circuit configured to convert the specific voltage and the temperature sensitive voltage to digital values; a storage unit configured to store the specific voltage and the temperature sensitive voltage; and a third terminal configured to transmit the specific voltage and the temperature sensitive voltage to an external semiconductor device.
-
Citations
8 Claims
-
1. A semiconductor device, comprising:
-
a voltage generation circuit configured to generate a voltage having a specific voltage value; a first terminal connected to the voltage generation circuit and configured to output the voltage generated with the voltage generation circuit; a second terminal connected to the first terminal through a connecting point between a temperature sensitive element and a resistor of a circuit for detecting a temperature of a subject, in which the temperature sensitive element is connected to the resistor in series, said second terminal being configured to receive a temperature sensitive voltage as a voltage at the connecting point; an analog/digital conversion circuit configured to convert the specific voltage value and a voltage value of the temperature sensitive voltage that are analog values to digital values, respectively, so that the specific voltage value and the voltage value of the temperature sensitive voltage are measured; a storage unit configured to store the specific voltage value and the voltage value of the temperature sensitive voltage thus measured with the analog/digital conversion circuit so that an external semiconductor device calculates the temperature of the subject; and a third terminal configured to transmit the specific voltage value and the voltage value of the temperature sensitive voltage thus stored in the storage unit to the external semiconductor device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A semiconductor device, comprising:
-
a voltage generation circuit; a first terminal connected to the voltage generation circuit; a second terminal; a third terminal; a first switch; a second switch; and an analog/digital conversion circuit connected to the first terminal through the first switch, the second terminal, and a circuit for detecting a temperature of a subject, wherein said analog/digital conversion circuit is connected to a rechargeable battery through the second switch and the third terminal.
-
Specification