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TPS7H3134-SP

VORSCHAU

Strahlungsfester Vierkanal-Überwacher mit Watchdog und Open-Drain-Ausgängen

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TPS7H3134-SP

VORSCHAU
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Produktdetails

Rating Space Number of supplies monitored 4 Threshold voltage 1 (typ) (V) adjustable Features Programmable Delay, Programmable delay range, Undervoltage and overvoltage monitor, Watchdog timer Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.25 Output driver type/reset output Open-drain Watchdog timer WDI (s) Programmable Operating temperature range (°C) -55 to 125
Rating Space Number of supplies monitored 4 Threshold voltage 1 (typ) (V) adjustable Features Programmable Delay, Programmable delay range, Undervoltage and overvoltage monitor, Watchdog timer Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.25 Output driver type/reset output Open-drain Watchdog timer WDI (s) Programmable Operating temperature range (°C) -55 to 125
CFP (HFT) 22 60.221856 mm² (6.211 mm × 9.696 mm)
  • 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
  • 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

The TPS7H3xx4-SP is an integrated, 3V to 14V, four-channel radiation-hardened power-supply supervisor with watchdog. An accurate 599.7mV ± 1% threshold voltage and a 24µA ± 3% hysteresis current provide programmable monitoring voltages. A global programmable delay timer is programmed via a single resistor. Additionally, a PWRGD output is provided to monitor the global power tree status. The device also incorporates a positive edge detection watchdog timer to monitor an external processor for coherent execution. Faults can be detected and mitigated by the external controller, using the SR_UVLO input. The device is offered with push-pull and open-drain outputs types.

The TPS7H3xx4-SP is an integrated, 3V to 14V, four-channel radiation-hardened power-supply supervisor with watchdog. An accurate 599.7mV ± 1% threshold voltage and a 24µA ± 3% hysteresis current provide programmable monitoring voltages. A global programmable delay timer is programmed via a single resistor. Additionally, a PWRGD output is provided to monitor the global power tree status. The device also incorporates a positive edge detection watchdog timer to monitor an external processor for coherent execution. Faults can be detected and mitigated by the external controller, using the SR_UVLO input. The device is offered with push-pull and open-drain outputs types.

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Design und Entwicklung

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Evaluierungsplatine

TPS7H3134EVM-CVAL — TPS7H3134-SP – Evaluierungsmodul

TPS7H3024EVM-CVAL, TPS7H3124EVM-CVAL, TPS7H3034EVM-CVAL und TPS7H3134EVM-CVAL zeigen den Betrieb eines einzelnen TPS7H3024-SP-, TPS7H3124-SP-, TPS7H3034-SP- oder TPS7H3134-SP-Monitors (Keramikgehäuse). Diese Platinen haben identische Layouts, aber unterscheiden sich geringfügig in der Stückliste. (...)
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