Inverter circuit device with temperature detection circuit

Details Inverter circuit device with temperature detection circuit Inverter circuit device with temperature detection circuit

2006-07-11

2006-07-11

Vu, Phuong T. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

Reexamination Certificate

active

07075762

ABSTRACT:
In order to enable overheat protection and overcurrent protection as well as temperature detection of an inverter circuit, an inverter circuit comprises a switching circuit9composed of a plurality of switching elements and a control circuit1for generating a control signal to be inputted into a drive circuit2to control a load, a temperature detecting element12for detecting a change in temperature of the inverter circuit is provided in a temperature detection circuit10, and a temperature detection signal which changes according to a change in temperature of said inverter circuit, an overheat abnormal signal outputted upon a rise in temperature to a predetermined temperature or more, and an overcurrent abnormal signal outputted from an overcurrent protection FET13are outputted via one commonly used terminal.

REFERENCES:
patent: 5280228 (1994-01-01), Kanouda et al.
patent: 6284817 (2001-09-01), Cross et al.

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