TPS3838J25DBVT Texas Instruments Integrated Circuit (Other) In Stock
The TPS3838J25DBVT is a precision processor supervisor IC with a fixed 2.5V reset threshold, operating from 1.6V to 6V supply. It monitors system power rails and asserts a reset signal when voltage drops below the threshold for reliable microcontroller supervision. Offered in a compact 5-pin SOT-23 package with worldwide availability.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TPS3838J25DBVT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 2.5V reset threshold with tight accuracy for reliable processor supervision across 1.6V to 6V input range
- Single-channel voltage supervisor in ultra-compact 5-pin SOT-23 package minimizing PCB footprint
- Active-low reset output with programmable timeout delay for robust system startup sequencing
Applications
The TPS3838J25DBVT is ideal for monitoring the power supply rails of microcontrollers, FPGAs, and DSPs in industrial control systems and embedded computing platforms, ensuring a clean reset is issued during power-up and brownout events. It is widely deployed in communication infrastructure equipment, automotive electronics, and portable instruments where supply voltages between 1.6V and 6V must be continuously supervised. Its compact SOT-23 footprint suits space-constrained designs on single-board computers and IoT edge devices.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 15 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 1.6V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +2.25V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what supply voltage threshold does the TPS3838J25DBVT assert its reset output?
The TPS3838J25DBVT asserts its active-low RESET output when the monitored supply drops below its fixed 2.5V threshold. The device operates from a 1.6V to 6V input range and deasserts reset after the supply rises above 2.5V and a built-in timeout period of approximately 200ms elapses, ensuring stable power before the processor starts.
Which embedded system designs benefit most from using TPS3838J25DBVT as a watchdog supervisor?
Designs powered from a regulated 2.5V rail — such as low-voltage microcontroller boards, FPGA configuration circuits, and IoT sensor hubs — benefit from the TPS3838J25DBVT. It guarantees that a reset pulse of at least 200ms is issued on power-up and brownout, preventing the processor from executing code from an unstable 2.5V supply during transient dips.
How does the 5-pin SOT-23 package of TPS3838J25DBVT compare to larger supervisor packages for compact PCB layouts?
The 5-pin SOT-23 package of TPS3838J25DBVT measures approximately 2.9 mm x 1.6 mm, making it one of the smallest footprints available for a dedicated voltage supervisor IC. Compared to 8-pin SOIC alternatives, it reduces PCB area by over 70%, which is critical for wearable devices, portable instruments, and high-density multi-board assemblies.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.6900 | $2.69 |
| 10+ | $2.3110 | $23.11 |
| 25+ | $2.1164 | $52.91 |
| 100+ | $1.9027 | $190.27 |
| 1000+ | $1.6400 | $1640.00 |
| 2500+ | $1.6000 | $4000.00 |
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