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TPS3762-Q1

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具超低靜態電流與內建自我測試的車用 65-V 窗型監控器

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TPS3762-Q1

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產品詳細資料

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 0.8, Adjustable Features Detection time delay, Latch, Reset time delay, Self-Test, Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.9 Iq (typ) (mA) 0.004 Output driver type/reset output Active-low, Open-drain Time delay (ms) 200 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 65 TI functional safety category Functional Safety-Compliant Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 0.8, Adjustable Features Detection time delay, Latch, Reset time delay, Self-Test, Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.9 Iq (typ) (mA) 0.004 Output driver type/reset output Active-low, Open-drain Time delay (ms) 200 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 65 TI functional safety category Functional Safety-Compliant Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
SOT-23-THN (DDF) 8 8.12 mm² 2.9 x 2.8
  • ASIL-D Functional Safety-Compliant
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL-D
    • Hardware capability up to ASIL-D
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C

  • Device flexibility to meet design requirements

    • Wide voltage threshold range: 2.7V to 60V
    • 800mV option - use with external resistor divider to set threshold
    • Built-in hysteresis (2%, 5%, and 10% options)
    • Fixed and programmable reset time delay
    • Fixed and programmable detection delay
  • Monitor high voltage power rails
    • Wide input voltage range: 2.7V to 65V
    • Reverse polarity protection on sense pin -65V

  • Fast UV/OV protection in 12/24/48V systems

    • Output reset latching feature
    • Ultra-fast detection time delay option(5µs)
    • Built-In Self-Test
  • ASIL-D Functional Safety-Compliant
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL-D
    • Hardware capability up to ASIL-D
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C

  • Device flexibility to meet design requirements

    • Wide voltage threshold range: 2.7V to 60V
    • 800mV option - use with external resistor divider to set threshold
    • Built-in hysteresis (2%, 5%, and 10% options)
    • Fixed and programmable reset time delay
    • Fixed and programmable detection delay
  • Monitor high voltage power rails
    • Wide input voltage range: 2.7V to 65V
    • Reverse polarity protection on sense pin -65V

  • Fast UV/OV protection in 12/24/48V systems

    • Output reset latching feature
    • Ultra-fast detection time delay option(5µs)
    • Built-In Self-Test

The TPS3762-Q1 is a 65V input voltage supervisor with 4µA IDD, 0.9% accuracy, fast detection time (5µs), and a Built-In Self-Test feature. This device can be connected directly to 12V / 24V automotive battery systems for continuous monitoring of overvoltage (OV) and undervoltage (UV) conditions; with the internal resistor divider, the TPS3762-Q1 offers the smallest total solution size. Wide hysteresis voltage options are available to ignore large voltage transients and prevent false reset signals.

The separate VDD and SENSE pins allow redundancy sought by high-reliability systems and SENSE can monitor higher and lower voltages than VDD. Optional use of external resistors are supported by the high impedance input of the SENSE pin. CTS and CTR pins allow delay adjustability on the falling and rising edges of the RESET signal. The CTS functions as a debouncer by ignoring voltage glitches on the monitored voltage rails.

The TPS3762-Q1 is available in a 2.9mm × 1.6mm SOT23 8-pin package.

The TPS3762-Q1 is a 65V input voltage supervisor with 4µA IDD, 0.9% accuracy, fast detection time (5µs), and a Built-In Self-Test feature. This device can be connected directly to 12V / 24V automotive battery systems for continuous monitoring of overvoltage (OV) and undervoltage (UV) conditions; with the internal resistor divider, the TPS3762-Q1 offers the smallest total solution size. Wide hysteresis voltage options are available to ignore large voltage transients and prevent false reset signals.

The separate VDD and SENSE pins allow redundancy sought by high-reliability systems and SENSE can monitor higher and lower voltages than VDD. Optional use of external resistors are supported by the high impedance input of the SENSE pin. CTS and CTR pins allow delay adjustability on the falling and rising edges of the RESET signal. The CTS functions as a debouncer by ignoring voltage glitches on the monitored voltage rails.

The TPS3762-Q1 is available in a 2.9mm × 1.6mm SOT23 8-pin package.
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類型 標題 日期
* Data sheet TPS3762-Q1 Automotive 65V Window (OV & UV) Supervisor with Built-In Self-Test and Latch datasheet (Rev. A) PDF | HTML 2024年 5月 3日
EVM User's guide TPS376X Evaluation Module User's Guide PDF | HTML 2023年 10月 9日
Application brief Using Voltage Supervisors in High Voltage Applications (Rev. B) PDF | HTML 2023年 2月 20日

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開發板

TPS376XEVM — 適用於具備 BIST 功能之 65-V 過電壓與欠電壓偵測器的 TPS3762-Q1 評估模組

TPS376XEVM 是適用於 TPS3762-Q1 電壓監控器的評估模組 (EVM)。此系列為車用級裝置，支援欠電壓與過電壓監控器及自我測試功能。TPS376XEVM 出廠時預先安裝了 TPS3762D02OVDDFRQ1 裝置，但也可搭配任何 TPS3762-Q1 變體使用。TPS376XEVM 提供與所有輸入和輸出針腳的連接。基於示波器或萬用表量測之需，提供測試點讓使用者使用額外連接。

使用指南: PDF | HTML
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