STMicroelectronics L5965 automotive power-management IC
The STMicroelectronics L5965 seven-output automotive power-management IC (PMIC) enables compact electronic control units for automotive-vision systems and other in-vehicle applications, leveraging direct operation from battery voltage with register-programmable output voltages and sequencing and integrated functional-safety mechanisms.
With seven regulated outputs, a single PMIC can power an entire camera- or radar-based driver-assistance system including the sensors, memory ICs, processor and CAN interface circuitry. One-time programmable (OTP) cells for setting the output voltages and sequencing give flexibility to configure the PMIC for a wide variety of advanced driver assistance systems and other in-car applications.
The product’s ability to operate directly from the vehicle battery allows its use without a pre-regulator. Its register-programmable outputs also eliminate voltage-setting resistors, and the on-chip regulators can be used without external compensation circuitry. These savings in external components also eliminate fluctuation due to environmental effects on external components.
The integrated functional-safety features are designed in compliance with ISO 26262 and enable systems to fulfil Automotive Safety Integrity Level (ASIL) requirements up to ASIL-D. The mechanisms include a failure status pin, voltage monitors, ground-loss comparators, analog and digital built-in self-test (BIST) and temperature monitors.
For more information: http://www.st.com/auto-pmic-L5965.
Phone: 02 9158 7200
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