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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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Is it possible to identify the heating point when several PTC thermistors are connected?
It is not possible to identify the heating point when several PTC thermistors are connected.
The TCTH0 Series IC supplies a small amount of constant current to PTC thermistor, detects changes in resistance/temperature, and generates a FLAG (Hi/Low).
When several PTC thermistors are connected, the change in the combined resistance of several PTC thermistors is detected, making it impossible to identify the specific heat generation point.
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