TPS3700

現行

適用過電壓和欠電壓監測的高電壓 (18-V) 窗型電壓偵測器

產品詳細資料

Number of supplies monitored 1, 2 Threshold voltage 1 (typ) (V) 0.4 Features Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.0055 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 18 Rating Catalog Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Number of supplies monitored 1, 2 Threshold voltage 1 (typ) (V) 0.4 Features Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.0055 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 18 Rating Catalog Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8 WSON (DSE) 6 2.25 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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技術文件

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類型 標題 日期
* Data sheet TPS3700 High voltage (18V) window voltage detector with internal reference for over and undervoltage monitoring datasheet (Rev. G) PDF | HTML 2019年 2月 7日
Application note Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A) 2020年 3月 17日
Selection guide Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) 2020年 2月 28日
Application note Split Supply Positive and Negative Dual Voltage Monitoring Solution 2019年 10月 11日
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 2019年 6月 28日
EVM User's guide TPS3700EVM-114 High voltage (18V) window voltage detector EVM for SOT-23 package (Rev. A) 2019年 2月 4日
EVM User's guide TPS3700EVM-202 High voltage (18V) window voltage detector evm for SON package (Rev. A) 2019年 2月 4日
Application brief A Voltage Monitor with Diagnostics 2019年 1月 9日
Application note Adding Reset Delay to Voltage Detectors 2018年 10月 9日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
Technical article Tips and tricks for optimizing your voltage supervisor PDF | HTML 2017年 3月 7日
Technical article Why monitoring voltages matters PDF | HTML 2015年 6月 17日
Application note Using the TPS3700 as a Negative Rail Over- and Undervoltage Detector 2013年 7月 16日
Application note Optimizing Li-ion Power Pack Performance 2012年 10月 4日

設計與開發

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模擬型號

TPS3700 PSpice Transient Model (Rev. B)

SBVM152B.ZIP (59 KB) - PSpice Model
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模擬型號

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計算工具

SLUC425 TPS3700, TPS3700-Q1 and TPS3701 Resistor Divider Calculator

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23-THN (DDC) 6 Ultra Librarian
WSON (DSE) 6 Ultra Librarian

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  • 認證摘要
  • 進行中持續性的可靠性監測
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