The 2.93V threshold is set for monitoring a nominal 3.3V rail — it triggers a reset before the supply droops enough to cause logic errors in the downstream processor. The output is push-pull, totem pole, so no external pull-up resistor is needed. The active-low reset signal is compatible with most microcontrollers and DSPs that expect a low-true reset input.
TPS3809K33QDBVRQ1 Simple Reset/Power-On Reset, AEC-Q100
MPNTPS3809K33QDBVRQ1
Active
Texas Instruments TPS3809K33QDBVRQ1, Simple Reset/Power-On Reset, Active Low, Push-Pull Output, 2.93V Threshold, 120ms Minimum Reset Timeout, AEC-Q100 Qualified, SOT-23-3 Package.
$0.9900Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Series | Automotive, AEC-Q100 |
| Mounting | Surface Mount |
| Voltage - threshold | 2.93V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C~125°C(TA) |
| Reset | Active Low |
| Output | Push-Pull, Totem Pole |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Reset timeout | 120ms Minimum |
| Case | TO-236-3, SC-59, SOT-23-3 |
Product details
Frequently asked questions
Is TPS3809K33QDBVRQ1 AEC-Q100 qualified?
Yes, the TPS3809K33QDBVRQ1 is part of the Automotive, AEC-Q100 series, qualified for use in automotive applications.