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TPS389C03-Q1

現行

具有 Q&A 監視系統的車用 3 通道過電壓和欠電壓 I²C 可編程監控器

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TPS389C03-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of supplies monitored 3 Threshold voltage 1 (typ) (V) adjustable Features Detection time delay, Reset time delay, Separate VDD & sense, Undervoltage and overvoltage monitor Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 1 Output driver type/reset output Active-low, Open-drain Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5 TI functional safety category Functional Safety-Compliant Rating Automotive Operating temperature range (°C) -40 to 125
Number of supplies monitored 3 Threshold voltage 1 (typ) (V) adjustable Features Detection time delay, Reset time delay, Separate VDD & sense, Undervoltage and overvoltage monitor Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 1 Output driver type/reset output Active-low, Open-drain Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5 TI functional safety category Functional Safety-Compliant Rating Automotive Operating temperature range (°C) -40 to 125
WQFN (RTE) 16 9 mm² 3 x 3
  • 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 with the following results:
    • Device temperature grade 1: –40°C to +125°C
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C7B
  • Q&A Watchdog to monitor SoC software operation
    • Programmable OPEN/CLOSE watchdog timing through I2C (1ms to 864ms)
    • Start-up delay for SoC boot up initialization (2ms to 3.46s)
    • Programmable maximum violation count (up to 7) before WDO assertion
    • Watchdog disable pin (WDE)
  • Monitor state-of-the art SOCs
    • Three channels with three remote sense (TPS389C03-Q1)
    • Input voltage range: 2.6V to 5.5V
    • Undervoltage lockout (UVLO): 2.6V
    • High threshold accuracy:
    • ± 5mV (–40°C to +125°C)
    • Built-in ADC for voltage readouts
    • Fixed window threshold levels
      • 5mV steps from 0.2V to 1.475V
      • 20mV steps in other ranges
  • Miniature solution and minimal component cost
    • 3mm × 3mm QFN package
    • User adjustable voltage threshold levels via I2C
    • User adjustable glitch immunity and hysteresis levels via I2C
  • Designed for safety applications
    • Error Signal Monitoring (ESM)
      • Programmable ESM delay via I2C (1ms to 864ms)
    • Cyclic Redundancy Checking (CRC)
    • Packet Error Checking (PEC)
    • Active-low open-drain NIRQ, NRST, and WDO outputs
  • 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 with the following results:
    • Device temperature grade 1: –40°C to +125°C
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C7B
  • Q&A Watchdog to monitor SoC software operation
    • Programmable OPEN/CLOSE watchdog timing through I2C (1ms to 864ms)
    • Start-up delay for SoC boot up initialization (2ms to 3.46s)
    • Programmable maximum violation count (up to 7) before WDO assertion
    • Watchdog disable pin (WDE)
  • Monitor state-of-the art SOCs
    • Three channels with three remote sense (TPS389C03-Q1)
    • Input voltage range: 2.6V to 5.5V
    • Undervoltage lockout (UVLO): 2.6V
    • High threshold accuracy:
    • ± 5mV (–40°C to +125°C)
    • Built-in ADC for voltage readouts
    • Fixed window threshold levels
      • 5mV steps from 0.2V to 1.475V
      • 20mV steps in other ranges
  • Miniature solution and minimal component cost
    • 3mm × 3mm QFN package
    • User adjustable voltage threshold levels via I2C
    • User adjustable glitch immunity and hysteresis levels via I2C
  • Designed for safety applications
    • Error Signal Monitoring (ESM)
      • Programmable ESM delay via I2C (1ms to 864ms)
    • Cyclic Redundancy Checking (CRC)
    • Packet Error Checking (PEC)
    • Active-low open-drain NIRQ, NRST, and WDO outputs

The TPS389C03-Q1 device is an integrated multichannel window monitor reset IC with three remote sense pins available in a 16-pin 3mm × 3mm QFN package.

This highly accurate multichannel voltage supervisor is designed for systems that operate on low-voltage supply rails and have narrow margin supply tolerances. Internal glitch immunity and noise filters further eliminate false resets resulting from erroneous signals. This TPS389C03-Q1 device does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further optimizes overall accuracy, cost, solution size, and improves reliability for safety systems. I2C functionality gives flexibility in selecting thresholds, reset delays, glitch filters, and pin functionality. This device offers CRC error checking and a built-in ADC for voltage readouts to provide redundant error checking. The device has a built in Q&A watchdog and Error Signal monitor with independent watchdog enable and watchdog output.

The TPS389C03-Q1 device is an integrated multichannel window monitor reset IC with three remote sense pins available in a 16-pin 3mm × 3mm QFN package.

This highly accurate multichannel voltage supervisor is designed for systems that operate on low-voltage supply rails and have narrow margin supply tolerances. Internal glitch immunity and noise filters further eliminate false resets resulting from erroneous signals. This TPS389C03-Q1 device does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further optimizes overall accuracy, cost, solution size, and improves reliability for safety systems. I2C functionality gives flexibility in selecting thresholds, reset delays, glitch filters, and pin functionality. This device offers CRC error checking and a built-in ADC for voltage readouts to provide redundant error checking. The device has a built in Q&A watchdog and Error Signal monitor with independent watchdog enable and watchdog output.
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* Data sheet TPS389C03-Q1 Multichannel Overvoltage and Undervoltage I2 C Programmable Voltage Supervisor and Monitor with Q&A Watchdog datasheet (Rev. G) PDF | HTML 2025年 1月 15日
Application brief Discrete Power Design for C2000™ PDF | HTML 2024年 8月 15日

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TPS389C03-Q1 — 具有 Q&A 監視系統的車用 3 通道過電壓和欠電壓 I²C 可編程監控器
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