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IPS1025HF Scheda tecnica(PDF) 16 Page - STMicroelectronics |
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IPS1025HF Scheda tecnica(HTML) 16 Page - STMicroelectronics |
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16 / 32 page ![]() 7.5 GND disconnection protection GND disconnection is the disconnection of the module from the reference line. When this condition occurs, the output channel is turned off regardless of the input status. When this event occurs, the IC continues working normally until the voltage between VCC and GND pins of the IC results ≥ VUVOFF. The voltage on the GND pin of the IC rises up to the supply rail voltage level. In case of a GND disconnection event, a current (ILGND) flows through OUT pin. For an inductive load, if the GND is disconnected while the output channel is active, the current flows through the power, which is activated by an active clamp as if the input had been deactivated. Figure 10. Ground disconnection OUT VCC PGND SUPPLY RAIL GROUND PLANE APPLICATION BOARD IC . . . . . . RLOAD VCC IPS1025HF, IPS1025HFQ GND disconnection protection DS13869 - Rev 3 page 16/32 |
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