1 Features
• Radiation performance:
– Radiation hardness assurance (RHA) up to a total ionizing dose (TID) of 100krad(Si)
– Single-event latchup (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune up to linear energy transfer (LET) = 75MeV-cm2/mg
– Single-event functional interrupt (SEFI) and single-event transient (SET) characterized up to LET = 75MeV-cm2/mg
• Wide supply IN voltage range (VIN): 3V to 14V
• Monitor up to 4 voltage rails with high accuracy:
– TPS7H3024: 2 OV + 2 UV or 2 window with push-pull RESETx
– TPS7H3134: 2 OV + 2 UV or 2 window with open-drain RESETx
– TPS7H3034: 4 UV or 4 OV with push-pull RESETx
– TPS7H3134: 4 UV or 4 OV with open-drain RESETx
• Monitor coherent processor execution using the watchdog timer
• Single resistor programmable global delay timer
• Programmable watchdog time-out
• Precision threshold voltage and hysteresis current:
– VTH_SENSEx of 599.7mV ± 1% across: voltage, temperature, and radiation (TID)
– IHYS_SENSEx of 24μA ± 3% across: voltage, temperature, and radiation (TID)
• Push-Pull outputs with programmable pull-up voltage from 1.6V to 7V
– Global RESETx pull-up domain (VPULL_UP1)
– Common PWRGD and WDO pull-up domain (VPULL_UP2)
• SR_UVLO input to reset all outputs
– Can also be used as configurable undervoltage lockout with an external resistor divider
• Available in military (–55°C to 125°C) temperature range