Semiconductor module
First Claim
1. A semiconductor module comprising a switching semiconductor device inside, wherein loss data indicative of a power loss generated in said switching semiconductor device are output as a data signal to an outside.
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Abstract
It is an object of the present invention to provide a technique for causing an external system to recognize a power loss of a switching semiconductor device in a semiconductor module comprising the switching semiconductor device. A switching semiconductor device (11) provided in a semiconductor module (10) includes a plurality of switching semiconductor elements. A loss calculating section (12) calculates a power loss generated in the switching semiconductor device (11) based on a voltage of each of the switching semiconductor elements which is measured by a voltage measuring section (13) and a current of each of the switching semiconductor elements which is measured by a current measuring section (14). The loss calculating section (12) outputs loss data indicative of the power loss thus calculated as a data signal to a motor control section (82) provided on the outside of the semiconductor module (10). The motor control section (82) can recognize the power loss generated in the switching semiconductor device (11) from the loss data.
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Citations
12 Claims
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1. A semiconductor module comprising a switching semiconductor device inside,
wherein loss data indicative of a power loss generated in said switching semiconductor device are output as a data signal to an outside.
Specification