Product details


Number of supplies monitored 1 Threshold voltage 1 (Typ) (V) Adjustable Features Wide input voltage Reset threshold accuracy (%) 2 Output driver type/reset output Active-low, Open-drain Time delay (ms) Programmable Rating Space Watchdog timer WDI (sec) None Operating temperature range (C) -55 to 125 open-in-new Find other Supervisor & reset ICs

Package | Pins | Size

TSSOP (PW) 8 19 mm² 3 x 6.4 open-in-new Find other Supervisor & reset ICs


  • VID V62/19602
  • Radiation hardened
    • Single event latch-up (SEL) immune to 43 MeV-cm2/mg at 125°C
    • Total ionizing dose (TID) RLAT for every wafer lot up to 20 krad(Si)
  • Space enhanced plastic
    • Controlled baseline
    • Gold wire
    • NiPdAu lead finish
    • One assembly and test site
    • One fabrication site
    • Available in military (–55°C to 125°C) temperature range
    • Extended product life cycle
    • Extended product-change notification
    • Product traceability
    • Enhanced mold compound for low outgassing
  • Adjustable sense voltage with two external resistors
  • 1.0% sense voltage tolerance (25°C)
  • Adjustable hysteresis of sense voltage
  • Wide operating supply-voltage range:
    1.8 V to 40 V
  • Low power consumption:
    ICC = 0.6 mA typical, VCC = 40 V

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The TL7700-SEP is a bipolar integrated circuit designed for use as a reset controller in microcomputer and microprocessor systems. The SENSE voltage can be set to any value greater than 0.5 V using two external resistors.

Circuit function is very stable, with supply voltage in the 1.8-V to 40-V range. Minimum supply current allows use with ac line operation, portable battery operation, and automotive applications. The TL7700-SEP device is designed for operation from –55°C to 125°C.

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Technical documentation

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Type Title Date
* Datasheet TL7700-SEP radiation hardened supply-voltage supervisor in space enhanced plastic datasheet Mar. 31, 2019
* VID TL7700-SEP VID V6219602 Aug. 06, 2020
* Radiation & reliability report TL7700-SEP Production Flow and Reliability Report Apr. 24, 2019
* Radiation & reliability report TL7700-SEP Single-Event Latch-Up (SEL) Radiation Report Apr. 05, 2019
* Radiation & reliability report TL7700-SEP Total Ionizing Dose (TID) Radiation Report Apr. 05, 2019
Selection guide TI Space Products (Rev. H) Jan. 27, 2021
Technical articles Space Enhanced Plastic gives designers a new solution for emerging low-Earth orbit commercial applications Oct. 03, 2019
Application note Reduce the risk in NewSpace with Space Enhanced Plastic products Jul. 29, 2019
E-book Preview: Radiation Handbook for Electronics (Rev. A) Jun. 07, 2019
E-book Radiation Handbook for Electronics (Rev. A) May 21, 2019

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