The TPS389033KQDSERQ1 is a Texas Instruments simple reset/power-on reset IC, automotive AEC-Q100 qualified, with a 3.3V threshold and an active-low open-drain output. The 3.3V threshold is set for a 3.3V supply rail — the reset asserts when the monitored voltage falls below this level, protecting downstream logic from brownout or power-up glitches. The open-drain output allows the reset signal to be wire-ORed with other reset sources on the same pull-up rail.
TPS389033KQDSERQ1 Simple Reset/Power-On Reset
MPNTPS389033KQDSERQ1
Active
Texas Instruments TPS389033KQDSERQ1, Automotive AEC-Q100 Simple Reset/Power-On Reset, Active Low, Open Drain, 3.3V Threshold, -40°C to 125°C, 6-WSON (1.5x1.5).
$0.9315Ref. 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 | 3.3V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C~125°C(TJ) |
| Reset | Active Low |
| Output | Open Drain or Open Collector |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 6-WFDFN |
Product details
Frequently asked questions
Is TPS389033KQDSERQ1 automotive qualified?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications including under-hood and engine-bay environments.