TLF35584QVVS1XUMA2

TLF35584QVVS1XUMA2 is a multi voltage safety micro processor supply in a 48 pin VQFN package. This multiple output system supply for safety-relevant applications supplying 5V-μC, transceivers, and sensors by an efficient and flexible pre-/post-regulator concept over a wide input voltage range. The wide switching frequency range allows optimization in respect of efficiency and usage of small filter components. A dedicated reference-regulator supplies the ADC independent from μC-load steps and acts as tracking-source for the 2 independent sensor-supplies. The flexible state machine, wake-up concept including timer, and the stand-by-regulator favors the usage in numerous applications. Multiple safety features enable easy realization of ASIL-D together with various Microcontrollers. The TLF355854 is featured as power supply and safety monitor on the Hitex ShieldBuddy AURIX™ TC375.

• High efficient power management integrated circuit (PMIC)
• Serial step up and step down pre regulator for wide input voltage range from 3 to 40V
• Low drop post regulator 5.0 V/200 mA for communication supply (QCO)
• Low drop post regulator 5.0V/600mA
• Voltage reference 5V ±1% for ADC supply, 150mA current capability (QVR)
• Two trackers for sensor supply following voltage reference 150mA current capability each
• Standby regulator 5.0V/10mA
• Provides enable, sync out signal and voltage monitoring
• Independent voltage monitoring block and error pin monitoring
• Safe state control with two safe state signals with programmable delay

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