The TPS382x family of supervisors provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. During power on, RESET asserts when the supply voltage VDD becomes greater than 1.1V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active low as long as VDD remains less than the threshold voltage, VIT−. An internal timer delays the return of the output to the inactive state (high) to make sure proper system reset. The delay time, td, starts after VDD has risen above the threshold voltage (VIT− + VHYS). When the supply voltage drops below the threshold voltage VIT−, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage, VIT–, set by an internal voltage divider. The TPS382x family also offers watchdog time out options of 200ms (TPS3820) and 1.6s (TPS3823, TPS3824, and TPS3828).
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS382x Voltage Monitor With Watchdog Timer datasheet (Rev. O) | PDF | HTML | 20 Mar 2025 |
| Application note | Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A) | 17 Mar 2020 | ||
| Selection guide | Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) | 28 Feb 2020 | ||
| E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 28 Jun 2019 | ||
| Application brief | Latching a Voltage Supervisor (Reset IC) (Rev. A) | 05 Apr 2019 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Test report | TIDA-00609 Test Results | 25 Jun 2015 | ||
| User guide | Easy Demo User Manual | 22 Jun 2015 | ||
| Test report | TIDA-00089 Test Results | 13 Dec 2013 | ||
| User guide | Value Soundbar Reference Design Kit Development Guide (Rev. A) | 03 Feb 2012 | ||
| Application note | Disabling the Watchdog Timer for TI's Family of Supervisors | 30 Oct 2003 |
For additional terms or required resources, click any title below to view the detail page where available.
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-23 (DBV) | 5 | Ultra Librarian |
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