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The design and characterization in high-voltage (HV)-CMOS technology of an innovative intelligent power switch (IPS) for harsh automotive applications is proposed in this paper. To safely handle the ordinary and extraordinary automotive electrical and environmental conditions, a systematic design flow is followed: several design solutions are presented at the architectural and circuital level, integrating...
This paper presents an innovative and effective approach to design and test a regulator for an automotive alternator with programmable functionalities. The prototype system consists of two different parts: an integrated circuit (IC) and a FPGA. The IC, implemented in austriamicrosystems HVCMOS 0.35 ??m technology, includes all the high voltage parts and a power switch with very low ON resistance....
This work presents a High-Voltage Low-Power CMOS DC-DC buck regulator for automotive applications. The overall system, including the high and low voltage analog devices, the power MOS and the low voltage digital devices, was realized in the Austriamicrosystems 0.35 HVCMOS technology, resulting in a 6.5 mm2 die. The regulator is able to manage a supply voltage down to 4.5 V and up to 50 V and generates...
The design and laboratory tests of a high voltage driver with programmable output current are presented. The proposed solution is designed to work in the range of low frequencies (PWM output current up to 100 KHz) and with output currents between 50 mA and 130 mA. The presented topology exploits a feedback loop that allows fixing the output current to the desired value with high precision not easy...
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