Texas Instruments TPS3825-50QDBVRQ1, Simple Reset/Power-On Reset, Active Low, Push-Pull Output, 4.55V threshold, 120ms min reset timeout, -40°C~125°C, SOT-23-5, AEC-Q100.
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Series | Automotive, AEC-Q100 |
| Mounting | Surface Mount |
| Voltage - threshold | 4.55V |
| 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 | SC-74A, SOT-753 |
Availability is limited to independent distribution and surplus inventory — sealed reels with consistent date-codes are the preferred sourcing grade. The SOT-23-5 package and AEC-Q100 qualification mean any replacement candidate must match the footprint and automotive temperature grade.
The 120ms minimum reset timeout gives the 5V rail time to settle after a brown-out or power-up event before the processor is released from reset.
The reset timeout is a minimum of 120ms. This is the time the reset output stays asserted after the monitored voltage rises above the 4.55V threshold, ensuring the supply rail is stable before the processor starts executing code.