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TPS3700

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High-voltage (18-V) window voltage detector for overvoltage and undervoltage monitoring

Data sheet
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High-voltage (18-V) window voltage detector for overvoltage and undervoltage monitoring

TPS3700

ACTIVE
Data sheet Order now

Product details

Parameters

Number of supplies monitored 1, 2 Threshold voltage 1 (Typ) (V) Adjustable Features Undervoltage and overvoltage monitor, Wide input voltage, Dual output 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 open-in-new Find other Supervisor & reset ICs

Package | Pins | Size

SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6 WSON (DSE) 6 2 mm² 1.5 x 1.5 open-in-new Find other Supervisor & reset ICs

Features

  • 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

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Description

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

Design & development

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

Hardware development

EVALUATION BOARD Download
document-generic User guide
149
Description

The ISO5852SDWEVM-017 is a compact, dual chanel isolated gate driver board providing drive, bias voltages, protection and diagnostic needed for half-bridge Sic MOSFET and IGBT Power Modules in standard 62-mm package. This TI EVM is based on 5.7-kVrms reinforced isolation driver IC ISO5852SDW in (...)

Features
  • 20-A peak, split output drive current with programmable drive voltages
  • Two 5-kVrms reinforced isolated channels to support up to 1700 V input rail
  • Short circuit protection with soft turn OFF and 2-A Miller clamp ability
  • Robust noise-immune solution with CMTI > 100 V/ns
  • Isolated module temperature and (...)
View details
EVALUATION BOARD Download
document-generic User guide
20
Description
The Texas Instruments TPS3700EVM-114 evaluation module (EVM) helps designers evaluate the performance of the TPS3700 high-voltage (18 V), window comparator with overvoltage and undervoltage detection. The EVM has an IC for overvoltage and undervoltage monitoring and header connectors for easy (...)
Features
  • High threshold accuracy: 1% over temperature
  • Low quiescent current: 6 µA (typical)
  • Wide operating supply voltage: 1.8 V to 18 V
  • Open-drain outputs for overvoltage and undervoltage detection
  • 6-pin SOT-23-THIN (DDC) package
View details
EVALUATION BOARD Download
document-generic User guide
20
Description
The Texas Instruments TPS3700EVM-202 evaluation module (EVM) helps you evaluate the operation and performance of the TPS3700 high-voltage window comparator. The EVM has an overvoltage and undervoltage supervisory circuit with a wide supply range, independent open-drain outputs, very-low (...)
Features
  • High threshold accuracy: 1%
  • Low quiescent current: 6 µA
  • Wide operating supply voltage: 1.8 V to 18 V
  • Open-drain outputs for overvoltage and Undervoltage detection
  • 1.5mm × 1.5mm DSE package
View details
EVALUATION BOARD Download
document-generic User guide
199
Description

The UCC21732QDWEVM-025 is a compact, single channel isolated gate driver board providing drive, bias voltages, protection and diagnostic needed for SiC MOSFET and Si IGBT Power Modules housed in 150 x 62 x 17 mm and 106 x 62 x 30 mm packages. This TI EVM is based on 5.7-kVrms reinforced isolation (...)

Features
  • 10-A peak, split output drive current with programmable drive voltages
  • Two 5.7-kVrms reinforced isolated channels to support up to 1700 V input rail
  • Short circuit protection with two-level soft turn OFF and Miller clamp drive signal for external FET
  • Robust noise-immune solution with CMTI > 100 V/ns
View details
EVALUATION BOARD Download
document-generic User guide
199
Description
The UCC21750QDWEVM-025 is a compact, single channel isolated gate driver board providing drive, bias voltages, desat feature based protection and diagnostic needed for SiC MOSFET and Si IGBT Power Modules housed in 150 x 62 x 17 mm and 106 x 62 x 30 mm packages. This TI EVM is based on 5.7-kVrms (...)
Features
  • 10-A peak, split output drive current with programmable drive voltages
  • Two 5.7-kVrms reinforced isolated channels to support up to 1700 V input rail
  • Short circuit protection using desat signal with soft turn OFF and Miller clamp with internal FET
  • Robust noise-immune solution with CMTI > 100 V/ns
View details

Design tools & simulation

SIMULATION MODEL Download
SBVM152B.ZIP (59 KB) - PSpice Model
SIMULATION MODEL Download
SBVM241B.ZIP (21 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SBVM242A.TSC (123 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBVM552B.ZIP (3 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details
CALCULATION TOOL Download
SLUC425A.ZIP (77 KB)

Reference designs

REFERENCE DESIGNS Download
Flat-Clamp TVS based Reference Design for Protection Against Transient for Grid Applications
TIDA-010008 — This reference design features multiple approaches for  protecting AC or DC analog input, DC analog output, AC or DC binary input, digital output with a high side or low side driver, LCD bias supply, USB interfaces (power and data) and onboard power supplies with 24, 12 or 5V input used in (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
TUV-assessed digital input reference design for IEC 61508 (SIL-2)
TIDA-010049 — This 8-channel, group-isolated, digital input module reference design, focuses on applications with the need for industrial functional safety. This design has diagnostics implemented to help detect both permanent and transient random hardware faults. The concept of this input module has been (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Enterprise SSD Backup Power Reference Design
PMP30046 — 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 (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Flexible High Current IGBT Gate Driver with Reinforced Digital Isolator Reference Design
TIDA-00448 — 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 (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Single Phase 60W Audio Amplifier Reference Design
PMP9372 — 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 (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Thunderbolt™ Single Port Peripheral Reference Design
TIDA-00268 — The TI Thunderbolt™ Single Port Peripheral reference design is optimized for Thunderbolt 2 systems which have a bandwidth of 20Gbps. The design utilizes the TPS65980 power management unit to reduce the BOM cost up to 50% and reduce the area about 40% over a discrete implementation. This design (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SOT-23-THIN (DDC) 6 View options
WSON (DSE) 6 View options

Ordering & quality

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