MAX25252ATIA/VY+

MAX25252ATIA/VY+ is a high-efficiency, five-output ASIL B PMIC with three DC-DC converters, and two high-PSRR LDOs, with OV/UV monitoring on all outputs. OUT1 is a 1A high-voltage, synchronous step-down converter operating from power over coax. OUT2 and OUT3 are low voltage synchronous step-down converters and provide a 0.75V to 3.9375V output voltage range. OUT2 and OUT3 can deliver up to 1.7A current respectively for the high-megapixel cameras and high-speed serializers. All outputs achieve ±1.5% output accuracy over load, line, and temperature range. Overvoltage and undervoltage for each output are monitored and their statuses are communicated through active-low RESET and I2C. The device features temperature monitoring with external NTC. The IC accurately measures PCB temperature and flags the temperature warning through active-low RESET. Applications includes surround-view cameras, rear-view cameras, side-view cameras and forward-looking cameras.

• Multiple functions for small size
• 1A synchronous high-voltage buck converter, two synchronous low voltage buck converters
• High-PSRR, low-voltage LDO for camera sensor
• Low-voltage LDO, 2.1MHz operation, SUP voltage OV/UV indication
• High precision for ASIL B applications
• High-precision temperature monitoring
• Robust for the automotive environment ASIL B compliant
• RESET output for OV/UV detection and other diagnostics
• AEC-Q100 qualified
• 28-pin side-wettable TQFN package, -40°C to +125°C automotive temperature range

Uwagi

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