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TPS3899-Q1

AKTIV

Nanopower-Supervisor für die Automobilindustrie mit programmierbarer Erfassungs- und Rücksetz-Verzög

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Datenblatt

TPS3899-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 0.505, 1.6, 3, 3.1, adjustable Features Detection time delay, Push-button, Reset time delay, Separate VDD & sense Reset threshold accuracy (%) 2 Iq (typ) (mA) 0.000125 Output driver type/reset output Active-high, Active-low, Open-drain, Push-Pull Time delay (ms) 0.03, 0.05, 0.08, 0.3, 6.2, 30, 40, 300, 400, 619 Supply voltage (min) (V) 0.7 Supply voltage (max) (V) 6 TI functional safety category Functional Safety-Capable Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 0.505, 1.6, 3, 3.1, adjustable Features Detection time delay, Push-button, Reset time delay, Separate VDD & sense Reset threshold accuracy (%) 2 Iq (typ) (mA) 0.000125 Output driver type/reset output Active-high, Active-low, Open-drain, Push-Pull Time delay (ms) 0.03, 0.05, 0.08, 0.3, 6.2, 30, 40, 300, 400, 619 Supply voltage (min) (V) 0.7 Supply voltage (max) (V) 6 TI functional safety category Functional Safety-Capable Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
WSON (DSE) 6 2.25 mm² 1.5 x 1.5

Qualified for automotive applications:

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C7B

Designed for high performance:

  • Nano quiescent current: 125nA (typical)
  • High threshold accuracy: ±0.5% (typical)
  • Built-in precision hysteresis (VHYS): 5% (typical)

Designed for a wide range of applications:

  • Operating voltage range:
    • 0.85V to 6V (DL and PL outputs)
    • 1V to 6V (PH output)
  • Adjustable threshold voltage: 0.505V (typical)
  • Precision voltage and push-button monitor
  • Programmable sense and reset delay
  • Fixed (VIT-) voltage: 0.8V to 5.4V in 0.1V steps

Multiple output topologies / Package type:

  • TPS3899DL-Q1: open-drain, active-low (RESET)
  • TPS3899PL-Q1: push-pull, active-low (RESET)
  • TPS3899PH-Q1: push-pull, active-high (RESET)
  • Package: 1.5mm × 1.5mm WSON (DSE)

Qualified for automotive applications:

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C7B

Designed for high performance:

  • Nano quiescent current: 125nA (typical)
  • High threshold accuracy: ±0.5% (typical)
  • Built-in precision hysteresis (VHYS): 5% (typical)

Designed for a wide range of applications:

  • Operating voltage range:
    • 0.85V to 6V (DL and PL outputs)
    • 1V to 6V (PH output)
  • Adjustable threshold voltage: 0.505V (typical)
  • Precision voltage and push-button monitor
  • Programmable sense and reset delay
  • Fixed (VIT-) voltage: 0.8V to 5.4V in 0.1V steps

Multiple output topologies / Package type:

  • TPS3899DL-Q1: open-drain, active-low (RESET)
  • TPS3899PL-Q1: push-pull, active-low (RESET)
  • TPS3899PH-Q1: push-pull, active-high (RESET)
  • Package: 1.5mm × 1.5mm WSON (DSE)

The separate VDD and SENSE pins allow for the redundancy sought by high-reliability systems. SENSE is decoupled from VDD and can monitor rail voltages other than VDD. Optional use of external resistors are supported by the high impedance input of the SENSE pin. Both CTS and CTR provide delay adjustability on the rising and falling edges of the RESET signals. CTS also functions as a debouncer by ignoring voltage glitches on the monitored voltage rails and operates as a "manual reset" that can be used to force a system reset.

The precision performance, best in-class features in a compact form factor, makes the TPS3899-Q1 an ideal solution for wide ranging automotive and battery-powered / low-power applications. The device is fully specified over a temperature range of –40°C to +125°C (TA).

The separate VDD and SENSE pins allow for the redundancy sought by high-reliability systems. SENSE is decoupled from VDD and can monitor rail voltages other than VDD. Optional use of external resistors are supported by the high impedance input of the SENSE pin. Both CTS and CTR provide delay adjustability on the rising and falling edges of the RESET signals. CTS also functions as a debouncer by ignoring voltage glitches on the monitored voltage rails and operates as a "manual reset" that can be used to force a system reset.

The precision performance, best in-class features in a compact form factor, makes the TPS3899-Q1 an ideal solution for wide ranging automotive and battery-powered / low-power applications. The device is fully specified over a temperature range of –40°C to +125°C (TA).

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable Sense and Reset Delay datasheet (Rev. B) PDF | HTML 11 Jan 2024
Functional safety information TPS3899-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 16 Aug 2021

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Evaluierungsplatine

TPS3899EVM — TPS3899 – Nanopower-Supervisor mit programmierbarer Erfassungs- und Rücksetz-Verzögerung – Evaluieru

The TPS3899 evaluation module (EVM) is a platform for evaluating the TPS3899 product, which is a 6-pin voltage supervisor and reset IC. TPS3899 offers operation up to 6 V, while maintaining a low quiescent current of 1.2 µA (max) in addition to 2% maximum accuracy.

TPS3899EVM supports all device (...)

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