NEU

TPS7H3024-SP

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Radiation-hardened, QML-V, 3V to 14V, four channel supervisor with watchdog timer

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Datenblatt

document-pdfAcrobat TPS7H3xx4-SP Radiation-Hardened, 14V, 4-Channel Supervisor With Watchdog Timer datasheet (Rev. B) (Englisch) PDF | HTML

TPS7H3024-SP

AKTIV

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Produktdetails

Rating

Space

Number of supplies monitored

4

Threshold voltage 1 (typ) (V)

adjustable

Features

Digital Window Comparator, Programmable Delay, Programmable delay range, Watchdog timer

Reset threshold accuracy (%)

1

Iq (typ) (mA)

0.25

Output driver type/reset output

Push-Pull

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

Digital Window Comparator, Programmable Delay, Programmable delay range, Watchdog timer

Reset threshold accuracy (%)

1

Iq (typ) (mA)

0.25

Output driver type/reset output

Push-Pull

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.

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Technische Dokumentation

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Design und Entwicklung

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