Texas Instruments TPS3840PL27DBVRG4
Texas Instruments TPS3840PL27DBVRG4

Texas Instruments TPS3840PL27DBVRG4

Manufacturer No:

TPS3840PL27DBVRG4

Manufacturer:

Texas Instruments

Package:

Description:

Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay

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TPS3840PL27DBVRG4 Information

Texas Instruments TPS3840PL27DBVRG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TPS3840PL27DBVRG4.

  • Type
  • Parameter
  • Rating
  • Catalog
  • Number of supplies monitored
  • 1
  • Threshold voltage 1 (typ) (V)
  • 1.6, 1.7, 1.8, 1.9, 2, 2.2, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.3, 3.4, 3.5, 3.6, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.8, 4.9, 5
  • Features
  • Manual reset capable, Reset time delay, Undervoltage, Undervoltage monitor only, Wide input voltage
  • Reset threshold accuracy (%)
  • 1.5
  • Iq (typ) (mA)
  • 0.0003
  • Output driver type/reset output
  • Active-high, Active-low, Open-drain, Push-Pull
  • Time delay (ms)
  • 0, 0.05
  • Watchdog timer WDI (s)
  • None
  • Supply voltage (min) (V)
  • 1.5
  • Type
  • Parameter
  • Supply voltage (max) (V)
  • 10
  • Operating temperature range (°C)
  • -40 to 125
  • Package
  • SOT-23 (DBV)
  • Pins
  • 5
  • Size
  • 8.12 mm² 2.9 x 2.8
  • REACH Status
  • Yes
  • RoHS Status
  • RoHS Compliant

Download datasheets and manufacturer documentation for Texas Instruments TPS3840PL27DBVRG4.

Functional safety information:

Technical article:

Data sheet:

White paper:

Application brief:

Application note:

EVM User's guide:

Wide Vin allows monitoring 9V rails or batteries without external components and 24V rails with external resistors. Nano-Iq extends battery life for low power applications and minimizes current consumption when using external resistors. Fast start-up delay allows the detection of a voltage fault before the rest of the system powers up providing maximum safety in hazardous start-up fault conditions. Low Power-on-Reset (VPOR) prevents false resets, premature enable or turn-on of next device, and proper transistor control during power-up and power-down.

Reset output signal is asserted when the voltage at VDD drops below the negative voltage threshold (VIT-) or when manual reset (MR) is pulled to a low logic (VMR_L). Reset signal is cleared when VDD rise above VIT- plus hysteresis (VIT+) and manual reset is floating or above VMR_H and the reset time delay (tD) expires. Reset time delay can be programmed by connecting a capacitor between CT pin and ground. For a fast reset CT pin can be left floating.

Additional features: Built-in glitch immunity protection for MR and VDD, built-in hysteresis, low open-drain output leakage current (ILKG(OD)).












  • Wide operating voltage: 1.5 V to 10 V
  • Nano supply current: 300 nA (Typ), 700 nA (Max)
  • Fixed threshold voltage (VIT-)
    • Threshold from 1.6 V to 4.9 V in 0.1-V steps
    • High accuracy: 1% (Typ), 1.5% (Max)
    • Built-in hysteresis (VIT+)
      • 1.6 V < VIT- ≤ 3.0 V = 100 mV (Typical)
      • 3.1 V ≤ VIT- < 4.9 V = 200 mV (Typical)
  • Start-up delay (tSTRT): 220 µs (Typ), 350 µs (Max)
    • Programmable reset time delay (tD):
      • 50 µs (no capacitor) to 6.2 s (10-µF)
    • Active-low manual reset (MR)
    • Three output topologies:
      • TPS3840DL: open-drain, active-low (RESET), requires pull-up resistor
      • TPS3840PL: push-pull, active-low (RESET)
      • TPS3840PH: push-pull, active-high (RESET)
    • Wide temperature range: –40°C to +125°C
    • Package: SOT23-5 (DBV)

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