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TPS371K-Q1

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具有適用於 DC 鏈路量測之整合式緩衝器的車用 1500V 窗型監視器

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TPS371K-Q1

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Number of supplies monitored 1 Threshold voltage 1 (typ) (V) Adjustable Features Detection time delay, High voltage input, Reset time delay, Self-Test, Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.04 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0.005 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 5.5 Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Number of supplies monitored 1 Threshold voltage 1 (typ) (V) Adjustable Features Detection time delay, High voltage input, Reset time delay, Self-Test, Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.04 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0.005 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 5.5 Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
SSOP (DFX) 15 131.84 mm² 12.8 x 10.3
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C
  • Functional Safety-Compliant Targeted (Preview)
    • Development targeted for functional safety applications
    • Documentation to aid ISO 26262 system design
  • Overvoltage and undervoltage fault monitor for 400V & 800V BMS and DC-Link
    • 1% overvoltage and undervoltage outputs
    • Fast detection time (<5µs) to help minimize system fault tolerant time interval
    • 30V to 60V Low UV output
  • Device flexibility to meet design requirements
    • User selectable adjustable overvoltage and undervoltage thresholds
    • User programmable capacitor-based glitch rejection and deassertion delay
  • Integrated buffer for ADC monitoring
    • High accuracy 0.35% (maximum) scaled down voltage of sense pin
    • VSENSE pin can directly drive high-speed ADC inputs
  • Designed for safety applications (Preview)
    • Output latching feature to help bring system to safe state
    • Built-In Self-Test to monitor device functionality and enhance system protection
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C
  • Functional Safety-Compliant Targeted (Preview)
    • Development targeted for functional safety applications
    • Documentation to aid ISO 26262 system design
  • Overvoltage and undervoltage fault monitor for 400V & 800V BMS and DC-Link
    • 1% overvoltage and undervoltage outputs
    • Fast detection time (<5µs) to help minimize system fault tolerant time interval
    • 30V to 60V Low UV output
  • Device flexibility to meet design requirements
    • User selectable adjustable overvoltage and undervoltage thresholds
    • User programmable capacitor-based glitch rejection and deassertion delay
  • Integrated buffer for ADC monitoring
    • High accuracy 0.35% (maximum) scaled down voltage of sense pin
    • VSENSE pin can directly drive high-speed ADC inputs
  • Designed for safety applications (Preview)
    • Output latching feature to help bring system to safe state
    • Built-In Self-Test to monitor device functionality and enhance system protection

TPS371K-Q1 is an automotive supervisor for voltage monitoring with an integrated buffer for 400V and 800V DC-link voltage measurements. The TPS371K-Q1 eliminates large resistor ladders with the integrated high voltage ladder. This device’s SENSE pin can be directly connected to 400V or 800V automotive battery systems and DC-Link for continuous monitoring of overvoltage (OV), undervoltage (UV), and low undervoltage (LUV) conditions. The TPS371K-Q1 offers CTS for programmable glitch rejection for noisy environments.

The TPS371K-Q1 has a integrated high-speed buffer VSENSE for supply voltage measurements. The buffer has a low output impedance which can directly drive ADC inputs. VSENSE is a scaled down voltage of the SENSE pin input.

The combination of voltage supervisor and integrated buffer allows for the smallest signal chain size for direct monitoring of 400V and 800V systems. This combination also allows for redundant digital and analog always on voltage fault monitoring.

The TPS371K-Q1 is available in a 12.8mm × 7.4mm SOIC 15-pin package. TPS371K-Q1 operates over -40°C to +125°C TA.

TPS371K-Q1 is an automotive supervisor for voltage monitoring with an integrated buffer for 400V and 800V DC-link voltage measurements. The TPS371K-Q1 eliminates large resistor ladders with the integrated high voltage ladder. This device’s SENSE pin can be directly connected to 400V or 800V automotive battery systems and DC-Link for continuous monitoring of overvoltage (OV), undervoltage (UV), and low undervoltage (LUV) conditions. The TPS371K-Q1 offers CTS for programmable glitch rejection for noisy environments.

The TPS371K-Q1 has a integrated high-speed buffer VSENSE for supply voltage measurements. The buffer has a low output impedance which can directly drive ADC inputs. VSENSE is a scaled down voltage of the SENSE pin input.

The combination of voltage supervisor and integrated buffer allows for the smallest signal chain size for direct monitoring of 400V and 800V systems. This combination also allows for redundant digital and analog always on voltage fault monitoring.

The TPS371K-Q1 is available in a 12.8mm × 7.4mm SOIC 15-pin package. TPS371K-Q1 operates over -40°C to +125°C TA.
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* Data sheet TPS371K-Q1 Automotive 1500V Window (OV & UV) Supervisor with Integrated Buffer for 400V and 800V DC-Link Voltage Measurements datasheet PDF | HTML 2025年 4月 10日

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TPS371KEVM — TPS371K 評估模組

TPS371K 是適用於 TPS371Kx-Q1 電壓監控器系列的評估模組 (EVM)。此 EVM 旨在為 TPS371K-Q1 裝置的所有輸入與輸出針腳提供範例設計和測試點，以擷取量測結果並熟悉裝置。

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