1 Features

• Qualified for automotive applications

• AEC-Q100 qualified with the following results:

– Device temperature grade 1: –40°C to +125°C ambient operating temperature

– Device temperature grade 0: –40°C to +150°C ambient operating temperature

– Device HBM ESD classification level 2

– Device CDM ESD classification level C4B

• Functional Safety-Compliant (targets, confirmed on device release)

– Developed for functional safety applications

– Documentation available to aid ISO 26262 system design up to ASIL D

– Systematic capability and hardware integrity up to ASIL D

• Input voltage range

– 5 to 36V for initial power up

– 3.5 to 36V full functionality after initial power up, limited operation to 2.3V

• Output Supply Rails

– Synchronous buck-boost preregulator with configurable spread-spectrum, 4.3V, 5 V, 6V or 6.8V and low IQ mode with the following options:

• 2.8A in buck mode (option 0 variant)

• 1.5A in buck mode (option 1 variant)

– Four LDOs: 1.0V to 1.8V in 50mV steps, 2.5 V, 3.0V, 3.3V, 5V, bypass or voltage monitor mode. Each LDO with independent configurable current limit.

• LDO1 and LDO2: Low IQ, up to 600mA

• LDO3 and LDO4: low noise, low IQ, 1% accuracy, up to 225mA

– Two protected LDOs for sensor or peripheral supplies, PLDO1 and PLDO2

• Configurable for tracking mode or fixed output/VMON mode configurable for 1.0V to 1.8V in 50mV steps, 2.5V, 3.0V, 3.3V or 5V up to 200mA

• Short-to-chassis (–2V) and supply (+36V) protection

• Power sequence control:

– Configurable power-up and down sequences (NVM default including output voltages)

– Output rails, external voltage monitor and external enable signals can be included

• Monitoring, protection and diagnostics

– Undervoltage and overvoltage monitoring on all regulator outputs, battery voltage, and internal supplies

– Two external voltage monitors (pins)

– All regulator outputs protected with independent current limit

– All regulators protected with independent overtemperature prewarning and shutdown

– Watchdog: configurable for open and close window or question-answer

– Error signal monitor (ESM) for monitoring MCU error output (PWM and level modes)

– SAFE state for device and system protection

– Clock monitor for internal oscillators

– Analog and logic built-in self-test (BIST)

– CRC on non-volatile memory (NVM), device configuration registers, and SPI communication

– Diagnostic output pin: multiplexes analog and digital signals to MCU ADC and input

• Compare module: 2 channels configurable as general purpose comparators or up to 4 channels of voltage monitoring

• Timer (low IQ) for wake-up and measurement, 64μs to 203.6 days

• SPI for configuration, status and error reporting

• Reset output (NRST), two configurable safing outputs (SAFE_OUTx) for system safe state on detected faults interrupt output (NINT), and power good output (PGOOD)

• Two configurable wake-up pins (WAKEx)

• 48-Pin HTSSOP PowerPAD™ IC package