SEMICONDUCTOR DEVICE, IN-VEHICLE VALVE SYSTEM AND SOLENOID DRIVER

SEMICONDUCTOR DEVICE, IN-VEHICLE VALVE SYSTEM AND SOLENOID DRIVER

A semiconductor device includes an output driving circuit configured to output an output current to an output terminal; a detection resistor connected between the output terminal and the output driving circuit; an amplification unit configured to output an analog detection signal generated by amplif...

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Hauptverfasser: Kondo, Satoshi, Itano, Noriyuki, Kubo, Kazuaki
Format: Patent
Sprache:eng
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AMPLIFIERS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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creator Kondo, Satoshi
Itano, Noriyuki
Kubo, Kazuaki
description A semiconductor device includes an output driving circuit configured to output an output current to an output terminal; a detection resistor connected between the output terminal and the output driving circuit; an amplification unit configured to output an analog detection signal generated by amplifying a voltage between both ends of the detection resistor; a current generation circuit configured to output a reference current; a reference resistor connected between the current generation circuit and a ground and configured to output a reference voltage according to the reference current; an A/D converter configured to convert the analog detection signal into a digital detection signal using the reference voltage as a reference; and a control circuit configured to control the output current output from the output driving circuit according to the digital detection signal. The detection resistor has a same temperature characteristics as the reference resistor.
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subjects AMPLIFIERS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
title SEMICONDUCTOR DEVICE, IN-VEHICLE VALVE SYSTEM AND SOLENOID DRIVER
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