Features
• AEC-Q100 qualified
• Phase assignment between two loops: 8+0 to 4+4
• Output voltage range: 0.5 V to 2 V
• Switching frequency range: 200 kHz to 1.5 MHz
• Programmable dynamic phase shedding operation for light loads and active
diode emulation for very light loads
• High-performance digital control Loop
• Embedded CPU ARM Cortex™ M0+ at 40 MHz
• Embedded NVM (nonvolatile memory)
• PMBus™ rev 1.2 (max freq. 400 kHz)
• Full ISO26262 compliant, ASIL-D systems ready
• Protection and diagnostic
– PMBus™ readable input telemetry (voltage, current, power)
– PMBus™ configurable overcurrent, undervoltage and over-power
diagnostics and protection on input metrics
– PMBus™ readable output telemetry (voltage, current, temperature) for
each loop
– PMBus™ configurable under/overcurrent, under/overvoltage diagnostics
and protection on output metrics for each loop
– PMBus™ configurable thermal warning and thermal shutdown
diagnostics and protection on the output stage for each loop
– PMBus™ readable single-phase current telemetry
– PMBus™ configurable single-phase overcurrent diagnostics and
protection
– PMBus™ configurable general-purpose UV/OV diagnostic thorough pin
AUX_SENSE
– Feedback loop disconnection diagnostics
– Internal overtemperature diagnostics and protection
– PMBus™ readable Tj measurement
– Ground loss diagnostics
– System clock monitoring
– Power supply pins VCC, VREF1, VREF2 overvoltage and undervoltage
diagnostics
– Fault status flag output through SM_ALERT, FAULT, VRRDY1, VRRDY2
pins