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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.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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The purpose of open-load detection is to detect a bad contact of a connector or a broken wire in a wire harness connected to an electronic control unit (ECU).
There are two major types of open-load detection:
Most of Toshiba’s IPDs for high-side applications use the above type 1 to detect an open load by monitoring the output terminal voltage while the output transistor is off.
The value of the resistor for open-load detection in this circuit is calculated as follows:
When the load resistance exceeds the programmed value, the diagnostic output terminal is driven High to signal an open load (i.e., broken wire).