Product details

Number of supplies monitored 1, 2 Threshold voltage 1 (Typ) (V) Adjustable Features Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 1 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Rating Catalog Watchdog timer WDI (sec) None Operating temperature range (C) -40 to 125
Number of supplies monitored 1, 2 Threshold voltage 1 (Typ) (V) Adjustable Features Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 1 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Rating Catalog Watchdog timer WDI (sec) None Operating temperature range (C) -40 to 125
SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6 WSON (DSE) 6 2 mm² 1.5 x 1.5
  • Wide supply voltage range: 1.8 V to 18 V
  • Adjustable threshold: down to 400 mV
  • High threshold accuracy:
    • 1.0% over temperature
    • 0.25% (Typical)
  • Low quiescent current: 5.5 µA (Typical)
  • Open-drain outputs for overvoltage and undervoltage detection
  • Internal hysteresis: 5.5 mV (Typ)
  • Temperature range: –40°C to 125°C
  • Packages:
    • SOT-6
    • 1.5-mm × 1.5-mm WSON-6
  • Wide supply voltage range: 1.8 V to 18 V
  • Adjustable threshold: down to 400 mV
  • High threshold accuracy:
    • 1.0% over temperature
    • 0.25% (Typical)
  • Low quiescent current: 5.5 µA (Typical)
  • Open-drain outputs for overvoltage and undervoltage detection
  • Internal hysteresis: 5.5 mV (Typ)
  • Temperature range: –40°C to 125°C
  • Packages:
    • SOT-6
    • 1.5-mm × 1.5-mm WSON-6

The TPS3700 wide-supply window voltage detector operates over a 1.8-V to 18-V range. The device has two high-accuracy comparators with an internal 400-mV reference and two open-drain outputs rated to 18 V for over- and undervoltage detection. The TPS3700 can be used as a window voltage detector or as two independent voltage monitors; the monitored voltage can be set with the use of external resistors.

OUTA is driven low when the voltage at INA+ drops below (VITP – VHYS), and goes high when the voltage returns above the respective threshold (VITP). OUTB is driven low when the voltage at INB– rises above VITP, and goes high when the voltage drops below the respective threshold (VITP – VHYS). Both comparators in the TPS3700 include built-in hysteresis for filtering to reject brief glitches, thereby ensuring stable output operation without false triggering.

The TPS3700 is available in a SOT-6 and a 1.5-mm × 1.5-mm WSON-6 package and is specified over the junction temperature range of –40°C to 125°C.



The TPS3700 wide-supply window voltage detector operates over a 1.8-V to 18-V range. The device has two high-accuracy comparators with an internal 400-mV reference and two open-drain outputs rated to 18 V for over- and undervoltage detection. The TPS3700 can be used as a window voltage detector or as two independent voltage monitors; the monitored voltage can be set with the use of external resistors.

OUTA is driven low when the voltage at INA+ drops below (VITP – VHYS), and goes high when the voltage returns above the respective threshold (VITP). OUTB is driven low when the voltage at INB– rises above VITP, and goes high when the voltage drops below the respective threshold (VITP – VHYS). Both comparators in the TPS3700 include built-in hysteresis for filtering to reject brief glitches, thereby ensuring stable output operation without false triggering.

The TPS3700 is available in a SOT-6 and a 1.5-mm × 1.5-mm WSON-6 package and is specified over the junction temperature range of –40°C to 125°C.



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Technical documentation

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Type Title Date
* Data sheet TPS3700 High voltage (18V) window voltage detector with internal reference for over and undervoltage monitoring datasheet (Rev. G) 07 Feb 2019
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Technical article Monitoring 12-V automotive battery systems: Load-dump, cold-crank and false-reset management 24 Mar 2021
Application note Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A) 17 Mar 2020
Selection guide Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) 28 Feb 2020
Application note Split Supply Positive and Negative Dual Voltage Monitoring Solution 11 Oct 2019
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 Jun 2019
User guide TPS3700EVM-114 High voltage (18V) window voltage detector EVM for SOT-23 package (Rev. A) 04 Feb 2019
User guide TPS3700EVM-202 High voltage (18V) window voltage detector evm for SON package (Rev. A) 04 Feb 2019
Application note A Voltage Monitor with Diagnostics 09 Jan 2019
Application note Adding Reset Delay to Voltage Detectors 09 Oct 2018
Application note Using Voltage Supervisors in High Voltage Applications 09 Oct 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Technical article Tips and tricks for optimizing your voltage supervisor 07 Mar 2017
Technical article Why monitoring voltages matters 17 Jun 2015
Application note Using the TPS3700 as a Negative Rail Over- and Undervoltage Detector 16 Jul 2013
Application note Optimizing Li-ion Power Pack Performance 04 Oct 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

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Evaluation board

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Evaluation board

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Evaluation board

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Evaluation board

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Limit: 5
Simulation model

TPS3700 PSpice Transient Model (Rev. B)

SBVM152B.ZIP (59 KB) - PSpice Model
Simulation model

TPS3700 TINA-TI Transient Spice Model (Rev. B)

SBVM241B.ZIP (21 KB) - TINA-TI Spice Model
Simulation model

TPS3700 TINA-TI Transient Reference Design (Rev. A)

SBVM242A.TSC (123 KB) - TINA-TI Reference Design
Simulation model

TPS3700 Unencrypted PSpice Transient Model (Rev. B)

SBVM552B.ZIP (3 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

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The PMP30046 reference design shows a system solution for an enterprise SSD backup power supply. The input voltage of the hotswap controller can be either 5V or 12V. A buck stage converts this input voltage to 3.3V with a maximum load current of 2.5A. The 3.3V are boosted to 28V for charging a (...)
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TIDA-00448 — Flexible High Current IGBT Gate Driver with Reinforced Digital Isolator Reference Design

The TIDA-00448 reference design is an isolated IGBT gate driver with bipolar gate voltages intended for driving  high power IGBT’s requiring high peak gate current up to 40 A. TI’s NexFET power blocks which scales in this range, with same package, enables single design to be used (...)
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PMP9372 — Single Phase 60W Audio Amplifier Reference Design

PMP9372 is a single-phase synchronous boost converter, which utilizes the LM5121 controller. Inrush limiting is set to 11A nominal, which allows startup into a 4700μF output capacitor. The TPS3700DDC is used as an output voltage monitor, which provides Power Good signaling of output over-voltage (...)
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Package Pins Download
SOT-23-THIN (DDC) 6 View options
WSON (DSE) 6 View options

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