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監控器和重設 IC

TPS3701

現行

適用於 OV 和 UV 監控且具有內部參考的高電壓 (36-V) 窗型電壓偵測器

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產品規格表

TPS3701

現行
產品規格表 立即訂購

產品詳細資料

Number of supplies monitored 1, 2 Threshold voltage 1 (typ) (V) 0.4 Features Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.75 Iq (typ) (mA) 0.007 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 36 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 Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.75 Iq (typ) (mA) 0.007 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 36 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
  • Wide supply voltage range: 1.8 V to 36 V
  • Adjustable threshold: down to 400 mV
  • Open-drain outputs for over- and undervoltage detection
  • Low quiescent current: 7 µA (Typical)
  • High threshold accuracy:
    • 0.75% Over temperature
    • 0.25% (Typical)
  • Internal hysteresis: 5.5 mV (typical)
  • Temperature range: –40°C to 125°C
  • Package:
    • SOT-6
  • Wide supply voltage range: 1.8 V to 36 V
  • Adjustable threshold: down to 400 mV
  • Open-drain outputs for over- and undervoltage detection
  • Low quiescent current: 7 µA (Typical)
  • High threshold accuracy:
    • 0.75% Over temperature
    • 0.25% (Typical)
  • Internal hysteresis: 5.5 mV (typical)
  • Temperature range: –40°C to 125°C
  • Package:
    • SOT-6

The TPS3701 wide-supply voltage window detector operates over a 1.8-V to 36-V range. The device has two precision comparators with an internal 400-mV reference and two open-drain outputs (OUTA and OUTB) rated to 25 V for over- and undervoltage detection. Use the TPS3701 as a window voltage detector or as two independent voltage monitors; set the monitored voltage with the use of external resistors.

OUTA is driven low when the voltage at the INA pin drops below the negative threshold, and goes high when the voltage returns above the positive threshold. OUTB is driven low when the voltage at the INB pin rises above the positive threshold, and goes high when the voltage drops below the negative threshold. Both comparators in the TPS3701 include built-in hysteresis for noise rejection, thereby ensuring stable output operation without false triggering.

The TPS3701 is available in a SOT-6 package and is specified over the junction temperature range of –40°C to 125°C.

 

The TPS3701 wide-supply voltage window detector operates over a 1.8-V to 36-V range. The device has two precision comparators with an internal 400-mV reference and two open-drain outputs (OUTA and OUTB) rated to 25 V for over- and undervoltage detection. Use the TPS3701 as a window voltage detector or as two independent voltage monitors; set the monitored voltage with the use of external resistors.

OUTA is driven low when the voltage at the INA pin drops below the negative threshold, and goes high when the voltage returns above the positive threshold. OUTB is driven low when the voltage at the INB pin rises above the positive threshold, and goes high when the voltage drops below the negative threshold. Both comparators in the TPS3701 include built-in hysteresis for noise rejection, thereby ensuring stable output operation without false triggering.

The TPS3701 is available in a SOT-6 package and is specified over the junction temperature range of –40°C to 125°C.

 

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類型 標題 日期
* Data sheet TPS3701 High voltage (36V) window voltage detector with internal reference for over and undervoltage monitoring datasheet (Rev. C) PDF | HTML 2019年 2月 4日
Application note Voltage and Processor Monitoring Solutions in Factory Automation and Control App (Rev. A) 2021年 8月 5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
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
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
Application brief Low-Power Battery Temperature Monitoring 2017年 3月 3日
Technical article How to implement voltage monitoring PDF | HTML 2015年 7月 22日
Technical article Why monitoring voltages matters PDF | HTML 2015年 6月 17日

設計與開發

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開發板

TPS3700EVM-114 — 適用於 SOT-23 封裝的 TPS3700 高電壓 (18-V) 窗型電壓偵測器評估模組

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 (...)
使用指南: PDF
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模擬型號

TPS3701 PSPICE Transient Model (Rev. C)

SNVM680C.ZIP (51 KB) - PSpice Model
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模擬型號

TPS3701 Unencrypted PSpice Transient Model (Rev. C)

SBVM551C.ZIP (3 KB) - PSpice Model
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計算工具

SBVC042 — TPS3701 Resistor Divider Calculator

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支援產品和硬體

產品
監控器和重設 IC
TPS3701 — 適用於 OV 和 UV 監控且具有內部參考的高電壓 (36-V) 窗型電壓偵測器
下載
計算工具

SLUC425 — TPS3700, TPS3700-Q1 and TPS3701 Resistor Divider Calculator

支援產品和硬體

支援產品和硬體

產品
監控器和重設 IC
TPS3700 — 適用過電壓和欠電壓監測的高電壓 (18-V) 窗型電壓偵測器 TPS3700-Q1 — 適用過電壓和欠電壓監測的車用高電壓 (18-V) 窗型電壓偵測器 TPS3701 — 適用於 OV 和 UV 監控且具有內部參考的高電壓 (36-V) 窗型電壓偵測器
下載
模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

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 (...)
要求
參考設計

TIDA-00394 — 雙電源路徑多工器參考設計

Many systems require a backup battery to provide power in the event of a power outage.  Switching between the main power and the backup battery power without incurring significant efficiency degradation or cost is a tricky challenge.   This design provides a high accuracy, low (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00396 — 高精度窗口電壓監控器

This application provides a high accuracy overvoltage and undervoltage flag for a typical 24 V rail with a minimal component count. The high voltage VDD input can withstand up to 36 V, allowing for wide input voltage variations. The total current consumption is less than 20 uA.
Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23-THN (DDC) 6 Ultra Librarian
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