PMP7220.8, Boost Power Supply for Automotive eCall System
Referenzdesign von: Texas Instruments
PMP7220.8, Boost Power Supply for Automotive eCall System. The reference design is an boost power supply for automotive eCall system. The eCall system is an in-vehicle emergency call service device, it automatically calls for help in the event of a car accident. The reference design is the input stage of the power supply and it has a wide input voltage range from 4V to 40V, suitable for 12V car battery. The output is 9V, 1.5A (14.25W max) to power the whole eCall system. The power supply can be enabled/disabled by 3.3V or 5V logic signal
