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)