Texas Instruments TPS3838J25DBVR, Simple Reset/Power-On Reset, Active Low, Open Drain, 2.25V Threshold, 10ms Minimum Reset Timeout, SOT-23-5, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Mounting | Surface Mount |
| Voltage - threshold | 2.25V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C~85°C(TA) |
| Reset | Active Low |
| Output | Open Drain or Open Collector |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Reset timeout | 10ms Minimum |
| Case | SC-74A, SOT-753 |
The reset output is active-low open-drain, meaning it pulls low during fault and releases to a high-impedance state when the rail is good — standard for wired-OR reset schemes across multiple supervisors. The minimum reset timeout of 10ms holds the downstream device in reset long enough for the supply to stabilise after a brownout or power-up transient.
It monitors a single voltage rail with a threshold of 2.25V. When the monitored voltage drops below that level, the active-low open-drain output asserts reset.
The minimum reset timeout is 10ms. After the monitored rail rises above the threshold, the output holds reset low for at least this duration before releasing.