1 Features
• Isolated floating hotswap controller
– Support 2-wire, 3-wire system architectures
with high and low-side configurations
• Integrated Isolated Power Supply for hotswap
controller bias
• GND referrenced signals with Reinforced
insulation to 800V
– PGOOD, Fault assertion on SMBA and PMBus
Telemetry
• Robust isolation barrier:
– High lifetime at up to 1000VDC working voltage
– Up to 5000VRMS isolation rating
– Up to 10.4kV surge capability
• SYNC pin for coordination between high and low
side hotswap controllers
• DISC pin for output capacitor discharge control
• Strong gate pull down (1.2A) for fast turn OFF
• Robust short circuit protection (360ns)
• Failed FET detection
• Programable UV, OV, tFAULT thresholds
• External FET temperature sensing
• PMBus® interface for telemetry, control,
configuration and debug
– On chip EEPROM nonvolatile memory for
configuration
– Precision VIN, VOUT, IIN, PIN, VAUX monitoring V
(<±1.5%); I (<±1%); P (<±2%)
– Power cycle with a single command
– Blackbox fault recording of multiple events with
relative time stamp stored in internal EEPROM
• 12-bit ADC with 250kHz sampling rate
• –40°C < TJ < 125°C operation