Features

▪ ASIL-D ISO26262 Development Process

▪ VIN Operating Range from 4.0 to 42V

• Start Range 4.5 to 42V

▪ Fixed Switching frequency: 2.2MHz with optional

pseudo-random spread spectrum

▪ Three synchronous bucks with internal

compensation and one LDO

• Buck1 output range: 2.8V to 5.05V, up to 1A

• Buck2/3 output range: 0.85V to 3.3V, up to 1A

• LDO4 output range: 2.7V to 3.4V, up to 300mA

▪ OTP UV/OV Thresholds: ±4, ±6, ±8, ±12

▪ OTP power up/down sequence and delay

▪ Optional output discharge on Buck2, Buck3, and

LDO4

▪ Configurable GPIO pin

▪ Dual EN pins

▪ Protection Features

• Input Voltage UVLO

• Output OV/UV

• Overcurrent protection on internal and output

LDOs

• Over-temperature shutdown

▪ Functional Safety Features

• Built-in Self Test (BIST) at power up

• Dual Bandgap/Reference Chains

• Independent UV/OV sense path for Buck1

Output

• Configurable Window Watchdog Timer (WWDT)

• Continuous CRC checking of OTP shadow

registers

• CRC protected I2C communication

• Configurable fault manager

▪ AEC-Q100 Qualified, Grade 1: -40°C to +125°C

(TJ = 150°C)