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PMICTLF30681QVS01 데이터시트(PDF) 21 Page - Infineon Technologies AG |
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PMICTLF30681QVS01 데이터시트(HTML) 21 Page - Infineon Technologies AG |
21 / 133 page If the current in the inductor exceeds the overcurrent protection threshold for a defined time tR1OCP, then the device signalizes an overcurrent timeout event through an interrupt (OCSF1.BUCK1OCW). It is up to the application to decide how to react in this situation, for example by shutting down the converter. Overtemperature protection The converter includes an overtemperature warning and shutdown function to protect the device against damage. If the junction temperature exceeds the overtemperature warning threshold, the device sets an overtemperature warning flag OTSF1.BUCK1OTW and it generates an interrupt. If the junction temperature continues to rise and exceeds the overtemperature shutdown threshold, then the converter shuts down and generates a thermal shut-down (TSD) event. It sets the OTSF0.BUCK1OT status flag, which the microcontroller can read after the device enters ACTIVE state again. OTSTAT0.BUCK1OTW contains the current status of the overtemperature warning. OTSF1.BUCK1OTW contains the latched information. Soft start The integrated soft start feature limits the inrush current and allows for a smooth startup of the converter. The device supports power-sequencing with the other output rails, see Power sequencing and soft start. OPTIREG™ PMIC TLF30681QVS01 Power management IC Power converters and power management Datasheet 21 Rev. 1.0 2020-04-08 |
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